MEIDEN THYFREC-VT240S Instruction Manual

Ac speed control equipment

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Với đội ngũ kỹ thuật lâu năm kinh nghiệm trong nghề trực tiếp sửa chữa không qua trung gian

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Website: ritech.vn

MEIDEN

AC SPEED CONTROL EQUIPMENT

THYFREC-VT240S

200V System 0.75 to 90kW Normal Duty

400V System 0.75 to 475kW Normal Duty

INSTRUCTION MANUAL

NOTICE

————————

1. Read this manual thoroughly before using the VT240S, and store in a safe place

for reference.

2. Make sure that this manual is delivered to the final user.

MEIDENSHA CORPORATION

ST-3450

Sep. 2006

Table of Contents

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Lawford

February 3, 2025

Where is it made?

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Mr. Anderson

February 10, 2025

The MEIDEN THYFREC-VT240S is made in Japan.

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Summary of Contents for MEIDEN THYFREC-VT240S

Page 1 Với đội ngũ kỹ thuật lâu năm kinh nghiệm trong nghề trực tiếp sửa chữa không qua trung gian Hotline hỗ trợ kỹ thuật: 0979578581 Website: ritech.vn MEIDEN AC SPEED CONTROL EQUIPMENT THYFREC-VT240S 200V System 0.75 to 90kW Normal Duty 400V System 0.75 to 475kW Normal Duty INSTRUCTION MANUAL NOTICE ————————...
Page 2: Table Of Contents
Contents Preface ............................. PRECAUTIONS FOR SAFETY ....................<Names of each part> ......................viii Chapter 1 Delivery Inspection and Storage ................ 1-1 Delivery inspection and storage ................... 1-1 Details of rating nameplate and type display method..........1-1 Chapter 2 Installation and Wiring..................2-1 Installation environment ....................
Page 3 6-10 Operating the auxiliary drive motor ................6-182 6-11 Built-in PLC Function....................6-185 6-12 Explanation of standard serial and Modbus communication ........6-192 Chapter 7 Options ........................7-1 Outline of options......................7-1 Built-in PCB option ..................... 7-5 Dynamic braking (DB) option ..................7-7 ACL and DCL .......................
Page 4: Preface
Preface Thank you for purchasing the “Meiden AC Speed Control Equipment THYFREC-VT240S”. THYFREC-VT240S is a highly functional inverter that is easy to use. Please read this manual thoroughly before use, and keep the manual at hand for later reference. Also make sure that this manual is delivered to the final users.
Page 5: Precautions For Safety
PRECAUTIONS FOR SAFETY Items to be observed to prevent physical damage or property damage and to ensure safe use of this product are noted on the product and in this instruction manual. Please read this instruction manual and enclosed documents before starting operation to ensure correct ●...
Page 6 1. Transportation and installation CAUTION • Always transport the product with an appropriate amount according to the products weight. Failure to observe this could lead to injuries. • Install the inverter, dynamic braking unit and resistor, and other peripheral devices on non-combustible material such as metal.
Page 7 3. Operation DANGER • Always install the front cover before turning the input power ON. Never remove the cover while the power is ON. There are sections in the front PCB that are charged with high voltages. Failure to observe this could lead to electric shocks. •...
Page 8 4. Maintenance, inspection and part replacement DANGER • Always wait at least 20 minutes after turning the input power OFF before starting inspections. Wait at least 20 minutes after turning the input power OFF before starting work. Make sure that the displays on the operation panel have gone out before removing the front cover.
Page 9: Names Of Each Part
<Names of each part> Cooling fan installation case For 018L, 030H and smaller The presence and quantity of cooling fans will differ according to the capacity. For 022L and larger, 037H and larger viii...
Page 10: Chapter 1 Delivery Inspection And Storage
1. Delivery Inspection and Storage Chapter 1 Delivery Inspection and Storage 1-1 Delivery inspection and storage (1) Remove the inverter from the packaging, and check the details on the rating nameplate to confirm that the inverter is as ordered. The rating nameplate is on the left side of the unit. (2) Confirm that the product has not been damaged.
Page 11: Chapter 2 Installation And Wiring
2. Installation and Wiring Chapter 2 Installation and Wiring CAUTION • Always transport the product with an appropriate amount according to the products weight. Failure to observe this could lead to injuries. • Install the inverter, dynamic braking unit and resistor, and other peripheral devices on non-combustible material such as metal.
Page 12 2. Installation and Wiring Place with harmful corrosive or Place near sources of vibration such Place where flammable materials explosive gases or fluids are present as dollies or press machines are present ambient Place with high levels of Places with high levels of magnetic Places where radioactive temperature noise...
Page 13: Installation And Wiring Method
2. Installation and Wiring 2-2 Installation and wiring method Installation and wiring for the 018L and 030H and below, and the wiring for the 022L and 037H and above are carried out with the front cover removed. The operation panel is fixed with the latches for the operation panel mounting holder, so the front cover can be removed with the operation panel attached.
Page 14 2. Installation and Wiring (2) 022L, 037H and larger (Fig. 2-2-b) Fix the VT240S at four places when installing. The VT240S mass is more than 25kg, so installation by two workers is recommended. When two workers are installing the unit, they should confirm each step with signals.
Page 15: Precautions For Power Supply And Motor Wiring
2. Installation and Wiring 2-3 Precautions for power supply and motor wiring DANGER • Always turn the device's input power OFF before starting wiring. Failure to do so could lead to electric shocks or fires. • Carry out grounding that complies with the standards of the country where the inverter is being installed.
Page 16 2. Installation and Wiring (a) 018L, 022H and smaller (Note 13) (Note 12) 76D DB resistor Power supply (Note 5) (Note 11) (Note 15) Noise filter (Note 3) (Note 7) (Note 6) MCCB (Note 8) (Note 10) (Note 1) (Note 1) (Note 6) VT240S (Note 2)
Page 17 2. Installation and Wiring (Note 1) Configuration of inverter's main circuit The inverter input terminals are L1, L2 and L3. The output terminals to the motor are U, V and W. Do not connect the power supply to the U, V, W terminals. Incorrect wiring will lead to inverter damage or fires.
Page 18 2. Installation and Wiring External DB resistor Standalone (prepared by customer) DC reactor (option) VT240S Built-in filter (option) *2) Incompatible with 015L and 018L (2) 015L, 018L/018H, 022H Additional/ Standalone standalone DB unit DC reactor (option) (option) *3 VT240S Built-in filter (option) *3) Only standalone type is available for 030H...
Page 19 2. Installation and Wiring (Note 2) Wire size Use wires having the wire size shown in Table 2-3-a and Table 2-3-b for the main circuit wiring shown in Fig. 2-3-a. Table 2-3 gives the screw sizes, applicable wire sizes and tightening torque for the main circuit terminal shown in Fig.
Page 20 2. Installation and Wiring Table 2-3-b Terminal and applicable wire (for heavy-duty) Power supply, motor, DCL wiring DB wiring Terminal Wire size Tightening torque Wire size Tightening torque Inverter type Terminal screw VT240S- screw size N • m lb-in N • m lb-in size 0P7L...
Page 21 2. Installation and Wiring (Note 3) Breaker for wiring Install a non-fuse breaker (MCCB) or Fuse and MC on the power supply side of the inverter. Refer to Table 7-1-b and select the MCCB or Fuses. When using as a UL/cUL Standard certified product, install the UL certified fuse or MCCB as explained in section 9-1.
Page 22 2. Installation and Wiring (Note 7) Noise measures The inverter will generate high harmonic electromagnetic noise, so using the following noise measures is recommended. a) Insert a noise filter on the input side of the inverter. Refer to Table 7-1-b and select the noise filter.
Page 23 2. Installation and Wiring (a) OP7L to 011L (b) 018H, 022H OP7H to 015H (c) 015L (d) 030H DB Unit (e) 018L Fig. 2-3-b Terminal block wiring 2 – 13...
Page 24 2. Installation and Wiring (f) 022L, 030L (g) 037L, 045L 037H to 055H DB Unit DB Unit (h) 055L 075H, 090H DB Unit (i) 075L 110H, 132H Fig. 2-3-b (cont.) Terminal block wiring 2 – 14...
Page 25 2. Installation and Wiring (j) 090L 160H, 200H (k) 250H (l) 315H to 475H Fig. 2-3-b (cont.) Terminal block wiring 2 – 15...
Page 26: Precautions For Wiring To The Control Signal
2. Installation and Wiring 2-4 Precautions for wiring to the control signal (1) When wiring (control circuit wiring) to the control terminal block, separate the main circuit wiring (terminals L1, L2, L3, L+1, L+2, L–, B, U, V, W) and the other drive wires and power wires. (2) Use a 0.13 to 0.8mm²...
Page 27 2. Installation and Wiring VT240S (Note5) Terminator Frequency setting 750Ω +15V RJ Connector 11kΩ DATA+ 2kΩ Analog input DATA- 510Ω 10kΩ • AI1, AI2 Serial communication Changeable to voltage (RS-485) 0VOP 0VOP signal or current signal (Note1) 5VOP 2 terminals cannot be used Voltage signal max.
Page 28 2. Installation and Wiring 3) Ell bits W1,W2,W3,W4 Terminal Signal １２ All switches are SINK SOURCE PSI1～6 sink，source changeovers set to OFF as the SINK SOURCE PSI7 sink，source changeover default. voltage current AO1 current, voltage changeover voltage current AO2 current, voltage changeover 4) Standard serial transmission CN2 (model : Modular ) ・A signal level is based RS-485.
Page 29: Chapter 3 Test Operation And Adjustment
3. Test Operation and Adjustment Chapter 3 Test Operation and Adjustment DANGER • Always install the front cover before turning the input power ON. Never remove the cover while the power is ON. There are sections in the front PCB that are charged with high voltages. Failure to observe this could lead to electric shocks.
Page 30: Flow Of Test Operation
3. Test Operation and Adjustment The VT240S has various setting items. Some of these include settings that must be made according to the power supply and motor before actually starting operation. The methods for the VT240S basic test operation and adjustment are explained in this section. 3-1 Flow of test operation Carry out test operation according to the flow shown in Fig.
Page 31: Preparation Before Turning Power On
3. Test Operation and Adjustment 3-2 Preparation before turning power ON Always confirm the following points before turning ON the power after completing wire. (1) Remove the coupling and belt coupling the motor and machine, so that the machine can be run as a single unit.
Page 32: Control Modes
3. Test Operation and Adjustment 3-3 Control modes With the VT240S, four control modes and two overload modes can be selected. These are set with the parameter C30-0 (control mode selection). Refer to the Appendix Table 1 Table of control specifications for details.
Page 33: Automatic Tuning And Test Operation
3. Test Operation and Adjustment 3-4 Automatic tuning and test operation Automatic tuning measures the constants of the connected motor, and automatically adjusts the parameters so that the system is used to the fullest. The VT240S automatic tuning function performs differ measurements for each of the four control modes. Carry out automatic tuning each time the motor being used or the applicable control mode is changed.
Page 34 3. Test Operation and Adjustment What is the overload mode? Normal overload : Heavy overload : 120% for one minute (C30-0 f1＝1) 150% for one minute (C30-0 f1＝2) What is the control mode? IM speed sensor-less IM vector control with PM motor vector control with V/f control vector control...
Page 35 3. Test Operation and Adjustment 3-4-1 V/f control (C30-0 f0 = 1) automatic tuning and test operation (1) Automatic tuning (V/f control mode) The following two modes can be selected for the V/f control automatic tuning. Using B19-0 (automatic tuning selection), select the automatic tuning mode that matches the working conditions.
Page 36 3. Test Operation and Adjustment CAUTION Precautions for executing V/f control automatic tuning • Even when Mode 1 is executed, the motor may rotate due to vibration, etc. • If the vibration is large, turn the key immediately to stop operation. •...
Page 37 3. Test Operation and Adjustment (2) Automatic tuning operation procedures (V/f control mode) Carry out V/f mode automatic tuning with the following procedures. Refer to Chapter 4 for details on using the operation panel. Automatic tuning procedures (1) Preparation (2) Turn power ON, start VT240S (3) Selecting the control mode (Set C30-0) (4) Initialization of motor ratings (B00-0 to 7) Can the motor...
Page 38 3. Test Operation and Adjustment 1) Preparation Separate the motor and load, machine, etc., and confirm the safety on the load side. 2) Turning the power ON and starting VT240S (In the case of V24-OP2) Turn the power ON. All LEDs on the numeric display will turn ON ％...
Page 39 3. Test Operation and Adjustment 6) Starting automatic tuning Automatic tuning will start when the key or key is pressed according to the required rotation direction. To stop, press the key or input the emergency stop signal (EMS) from the terminal block. STOP * Once automatic tuning starts, all panel operations other than the keys are disabled until the operation ends.
Page 40 3. Test Operation and Adjustment 3) Press the and display D000-0 on the monitor. Then press the key. Operation will start. The "FWD" lamp will turn ON, and the display will change from " " to a value display. The value will gradually increase, and after several seconds, will change to "...
Page 41 3. Test Operation and Adjustment 10) Press the key several times, and display D00-0. When the output frequency ("D00-0" STOP display) reaches 50Hz, press the key. The display will decrease to "0.00" in several seconds. The "FWD" or "REV" LED will flicker for two seconds while the DC-brake is applied and the motor will stop.
Page 42 3. Test Operation and Adjustment 3-4-2 IM speed sensor-less vector control (C30-0 f0 = 2) and IM vector control with speed sensor (C30-0 f0 = 3) automatic tuning test operation (1) Before automatic tuning When using IM vector control with speed sensor, the speed detection option is required in addition to the VT240S standard unit.
Page 43 3. Test Operation and Adjustment 4) B19-0=5: Mode 5: No-load voltage operation mode (Execution time; approx. 10 seconds) (Note When the motor cannot be rotated with IM speed sensor-less vector control, this mode can be used to operate the motor's no-load voltage and complete automatic adjustment. The parameters shown in Table 3-4-2-d are automatically adjusted.
Page 44 3. Test Operation and Adjustment CAUTION Precautions for executing IM speed sensor-less vector control or IM vector control with speed sensor automatic tuning • Always check the safety around the motor before starting automatic tuning. • The motor could vibrate or start running. The motor will automatically start rotating during automatic tuning.
Page 45 3. Test Operation and Adjustment (3) Automatic tuning operation procedures (IM vector control mode) Carry out automatic tuning with the following procedures. Refer to Chapter 4 for details on using the operation panel. Automatic tuning procedures (1) Preparation (2) Turn power ON, start VT240S (3) Selecting the control mode (Set C30-0) (Note 1) The motor constants are initialized (4) Initialization of motor ratings and constants (Note...
Page 46 3. Test Operation and Adjustment 1) Preparation Separate the motor and load, machine, etc., and confirm the safety on the load side. When using the IM vector control with speed sensor mode, make sure that the speed detection option PCB is correctly mounted on the control PCB, and that the encoder signal cable is correctly connected to the speed detection option.
Page 47 3. Test Operation and Adjustment Set the motor circuit constant parameters shown in Table 3-4-2-g only when using the automatic tuning mode 5. Refer to the motor design documents and calculate and set these parameters. Table 3-4-2-g Parameter No. Name R1 : Primary resistance B02-0, 1 B02-2, 3...
Page 48 3. Test Operation and Adjustment 7) Starting automatic tuning Automatic tuning will start when the key or key is pressed according to the required rotation direction. STOP To stop, press the key or input the emergency stop signal (EMS) from the terminal block. STOP * Once automatic tuning starts, all panel operations other than the keys are disabled until the operation ends.
Page 49 3. Test Operation and Adjustment (4) Setting the encoder parameter (IM vector control with sensor mode) Set the encoder only when using the IM vector control with speed sensor mode (C30-0 f0 =3). The parameters to be set are listed in Table 3-4-2-i. IM vector control with speed sensor mode Table 3-4-2-i Parameter No.
Page 50 3. Test Operation and Adjustment (5) Test operation (IM vector control mode) When finished with steps (1) to (4), test the isolated motor and check for abnormalities. In the following cases, basic manual adjustment (refer to section (6) steps 1) and 2)) must be completed before starting the test.
Page 51 3. Test Operation and Adjustment 7) Press the key several times. The Display will alternate between " " and " ". 8) Press the key once. The display will stop at " ", and the last digit will flicker. This completes preparation for changing the motor speed. The digit to be changed can be moved with the key.
Page 52 3. Test Operation and Adjustment • When there is a constant output range When running with a constant output range, the M fluctuation compensation must be adjusted. Set the speed table (B33-0 to 7) beforehand. The speed table should be set as shown below except in special cases.
Page 53 3. Test Operation and Adjustment Adjusting ASR Adjust the control parameters to match the user's system. The main adjustment parameters are explained below. • A10-0: ASR response Set the speed control response with a [rad/s] unit. If the speed tracking is slow, increase this value. If this is set to high, the motor speed will hunt.
Page 54 3. Test Operation and Adjustment 3-4-3 Automatic tuning and test operation for PM motor with sensor control (C30-0 f0 =4) CAUTION Refer to Section 3-4-4 when driving a PM motor and the motor is locked with mechanical brakes when stopped together with the magnetic pole position estimation function. (1) Before automatic tuning When using the PM motor with sensor control, use with FWD, F.RUN as forward run and Rev, R.RUN as reverse run.
Page 55 3. Test Operation and Adjustment (2) Outline of automatic tuning in PM motor control mode This automatic tuning is a function with automatically adjusts the phase angle (C51-4) of the encoder Z phase pulse and PM motor U phase coil. Automatic tuning in the PM motor control mode does not have the PM motor circuit constant measurement function.
Page 56 3. Test Operation and Adjustment CAUTION Precautions for executing encoder phase adjustment mode (PM motor control) • Do not carry out maintenance, such as wiring or mounting the option PCB while the PM motor is running. Even if the inverter power is not turned ON, the PM motor could rotate by the connected load or machine and cause a high voltage to be generated in the motor terminals.
Page 57 3. Test Operation and Adjustment (3) Automatic tuning operation procedures (PM motor control mode) Adjust the magnetic pole position estimation function with the following procedure. Refer to Chapter 4 for details on using the operation panel. Automatic tuning procedures (1) Preparation (2) Turn power ON, start VT240S (3) Selecting the control mode (Set C30-0)
Page 58 3. Test Operation and Adjustment 1) Preparation (Before turning the power ON) Confirm at the speed detection option PCB is correctly mounted on the control PCB, and that the encoder signal wire is correctly connected to the speed detection option. Refer to the instruction manual of the speed detection option being used for details on connecting the encoder signal wire.
Page 59 3. Test Operation and Adjustment 5) Setting the ASR and ACR parameters When performing automatic tuning, do not change the ASR (speed control) and ACR (current control) parameters shown in Table 3-4-3-c from the default values. Note that A10-1 must be set to the value obtained with the following expression.
Page 60 3. Test Operation and Adjustment 1) A, B, Z phase + U, V, W phase signals 2) A, B, Z phase + serial absolute signals Parameter Parameter Name Name C50-2 Encoder AB advance direction selection C50-2 Encoder AB advance direction selection C50-3 Encoder ABZ pulse type selection C50-3...
Page 61 3. Test Operation and Adjustment [1] C51-0: Encoder selection Select the type of encoder signal to be used. =1 : A, B, Z phase + U, V, W phase signals =2 : A, B, Z phase + serial absolute signals =3 : A, B, Z phase + U, V, W phase signals (reduced-wiring type) =4 : Sine wave signal [2] C50-2: Encoder AB advance direction selection...
Page 62 3. Test Operation and Adjustment C50-3 : Encoder ABZ pulse type selection Only when using an encoder with signal specifications that cannot be handled with the C50-2 and C51-2 settings, set C50-3 to reverse or interchange the signals. The signal conversion circuit will function with the combination shown in the table below according to the C50-3 setting value.
Page 63 3. Test Operation and Adjustment U-IN V-IN W-IN C51-6 forward/ forward/ forward/ setting reverse reverse reverse Reverse CCW rotation value U-IN – – – Reverse – – V-IN – Reverse – W-IN Reverse Reverse – Time – – Reverse Reverse –...
Page 64 3. Test Operation and Adjustment 3) For sine wave signal Set the phase of the sine wave signal generated by the Z phase pulse of the encoder in use in C51-5. Z phase C51-5 SIN signal 90° COS signal Time Encoder Z phase and sine wave signal (during CCW rotation) (9) Setting the parameters for the wire-reduced type A, B, Z phase + U, V, W phase signal encoder When using a wire-reduced type A, B, Z phase + U, V, W phase signal encoder, set the...
Page 65 3. Test Operation and Adjustment Encoder power HI-Z Encoder output signal UVW signal output ABZ signal output UVW signal ABZ signal Inverter reception measurement measurement Time UVW signal UVW signal ABZ signal measurement measurement measurement start wait time start wait (C51-7) (C51-8) (C51-9)
Page 66 3. Test Operation and Adjustment 9) During automatic tuning execution The progression state can be confirmed with D22-0. Upper level : The steps required for tuning are indicated (lit). Lower level : The finished steps are indicated (lit). The step currently being executed is indicated with a flicker.
Page 67 3. Test Operation and Adjustment CHECK 1. Did the motor run? 2. Is the run direction correct? Check the wiring and operation if abnormal. 3. Is the rotation smooth? 4) Press the key and confirm that the motor runs in reverse. (Note) Do not carry out this step if a load which cannot be run in reverse is connected.
Page 68 3. Test Operation and Adjustment 11) Press the key, and test the reverse run at the maximum speed. (Note) Do not carry out this step if a load which cannot be run in reverse is connected. This completes the test operation with the operation panel. After this, refer to Chapter 4 and carry out the settings and adjust the load operation to match the user's application.
Page 69 3. Test Operation and Adjustment 3-4-4 Magnetic pole position estimation function and test operation for PM motor with sensor control (C30-0 f0 = 4) CAUTION This function can be used only with a system that drives a PM motor and which the motor is locked with mechanical brakes when stopped.
Page 70 3. Test Operation and Adjustment CAUTION Precautions for executing magnetic pole position estimation adjustment mode (PM motor control) • Do not carry out maintenance, such as wiring or mounting the option PCB while the PM motor is running. Even if the inverter power is not turned ON, the PM motor could rotate by the connected load or machine and cause a high voltage to be generated in the motor terminals.
Page 71 3. Test Operation and Adjustment (3) Adjusting magnetic pole position estimation function Carry out automatic tuning with the following procedures. Refer to Chapter 4 for details on using the operation panel. Procedures for adjusting the magnetic pole position estimation function (1) Preparation (2) Turn power ON, start VT240S (3) Selecting the control mode...
Page 72 3. Test Operation and Adjustment 3) Selecting the control mode • Set A05-2 to 1. (Set the hardware option function display ON.) • Set the control mode selection: C30-0 f1 f0. This parameter must be set first. PM motor with sensor control mode is to be used, so set C30-0 f0 = 4. Set c30-0 f1 f0 as shown below according to the load.
Page 73 3. Test Operation and Adjustment Refer to the following expression, and set the A10-1: machine time constant setting to match the inertia of the entire load connected with the PM motor. The machine time constant (Tm) refers to the time required to accelerate to the base rotation speed from the zero speed at the rated torque.
Page 74 3. Test Operation and Adjustment Zero point Zero point A phase A phase B phase B phase Z phase Z phase Time Time (a) When C51-1=0 (during CCW rotation) (b) When C51-1=1 (during CCW rotation) Zero point Zero point A phase A phase B phase B phase...
Page 75 3. Test Operation and Adjustment Adjusting the magnetic pole position estimation function The magnetic pole position estimation function is adjusted. [1] Select the magnetic pole position estimation mode with the magnetic pole position estimation selection (B39-0 f0). When the magnetic pole position estimation function is used, normally f0 = 2 should be selected. If the motor has a reverse inductance (Ld<Lq), select f0 = 3.
Page 76 3. Test Operation and Adjustment [3] Adjust the magnetic pole position estimation function The parameters required for adjusting the magnetic pole position estimation function are shown in Table 3-4-4-e. The parameters which indicate the magnetic pole position estimation results are shown in Table 3-4-4-f. Table 3-4-4-e Parameter No.
Page 77 3. Test Operation and Adjustment (4) Setting the parameters for the external brake function, etc. Setting the external brake control function The external brakes can be turned ON and OFF following the inverter's internal sequence. The external brake function has various wait time settings and interlock functions. This function is set.
Page 78 3. Test Operation and Adjustment An example of the external brake sequence is shown below. External brake command (MBRK) External brake answer (MBRK_ans) B46-1 B46-2 B46-3 B46-4 Output frequency/ Run error (LB) (BL) (DB) motor speed judgment command Program setting input Internal program setting...
Page 79 3. Test Operation and Adjustment [3] Set the external rake answer signal (MBRK_ans) sequence input function. Refer to the following table and set the value corresponding to the input terminal (control PCB PSI1 to 11) in C04-E. Set a negative value to reverse the signal. Control PCB input terminal C04-E setting value (Note 2) PSI1...
Page 80 3. Test Operation and Adjustment CAUTION The motor will rotate with the next step. Confirm the safety around the motor before starting the next step. When issuing the run/stop commands from the operation panel (local operation mode), confirm that "LCL" is ON. When using sequence input (remote operation mode), confirm that "LCL" on STOP the operation panel is OFF.
Page 81 3. Test Operation and Adjustment CHECK 1. Did the motor run? 2. Is the run direction correct? Check the wiring and operation if abnormal. 3. Is the rotation smooth? Input a reverse run command and confirm that the motor runs in reverse. To issue the command from the operation panel, press the key.
Page 82 3. Test Operation and Adjustment (7) Other functions of magnetic pole position estimation Magnetic pole position estimation retry function If the characteristics amount measured during magnetic pole position estimation do not reach the reference value, the magnetic pole position estimation will be retried. The retry conditions are shown in Table 3-4-4-i.
Page 83 3. Test Operation and Adjustment 3-4-5 Automatic tuning error messages If automatic tuning ends abnormally, the following message will appear. Investigate and confirm the state following the error code. – n Automatic tuning step Cause and remedy The motor may not be connected correctly. Check the connection.
Page 84: Chapter 4 Operation Panel
4. Operation Panel Chapter 4 Operation Panel 4-1 Outline of operation panel types and functions There are two types of operation panels which can be used with the VT240S, the LCD panel (V24-OP1) and LED panel (V24-OP2). The configuration of the operation panels are indicated below. LCD panel (V24-OP1) Data display section (LCD) Parameter increase/decrease knob...
Page 85 4. Operation Panel Table 4-1 (1) Functions and operations of each operation panel section Status indications LEDs When both LEDs flicker simultaneously, it indicates that DC The drive is running in Brake or pre-excitation is in action. FWD (Forward) the forward direction. If only the "FWD"...
Page 86 4. Operation Panel Table 4-1 (2) Functions and operations of each operation panel section Parameter increase/decrease key, parameter increase/decrease knob Increases the parameter No. or parameter setting value. Decreases the parameter No. or parameter setting value. When the parameter is being set with the sub-No. selection method ＋...
Page 87 4. Operation Panel 4-1-2 Relation of RUN operation keys and status display LED Status Display The status display LED turns ON, OFF or flickers according to the FWD and REV operation status. Each operation is shown in the following figure. Refer to the right drawing for the status of FWD and REV in the figure.
Page 88 4. Operation Panel 4-1-4 Panel display at power ON The state when the power is turned ON with the panel connected to the inverter is explained in this section. The LED panel is explained in 3-4-1. Automatic Tuning and Test Operation, so refer to that section. The LCD panel startup screen is shown below.
Page 89: Various Operations And Displays When Lcd Panel Is Connected
4. Operation Panel 4-2 Various operations and displays when LCD panel is connected The various operation and displays when the LCD panel starts up correctly are explained in this section. First, the various operations and displays for the operation method C11-7=1 Sub-No. selection method are explained.
Page 90 4. Operation Panel 4-2-3 Operating and displaying parameter numbers If the parameter increase/decrease knob at the right of the panel is turned when the underbar is flickering at the parameter No., the digit where the underbar is flickering will increase or decrease. When the parameter increase/decrease knob is turned right, the digit will increase by one with one count, and when turned left, will decrease by one with one count.
Page 91 4. Operation Panel When the key is pressed, the flickering underbar can be moved one digit to the left. If the key is pressed when the flickering underbar is at the top digit, it will move to the last digit. Local frequency Local frequency A00-0: 10.00Hz...
Page 92 4. Operation Panel 4-2-6 Operating and displaying parameter numbers with main and sub-No. selection method An example of operations when C11-7=2: main & sub-No. selection method is explained in this section. When using the main & sub-No. selection method, the method for setting the underbar and parameter No. differs from the sub-No.
Page 93 4. Operation Panel 4-2-7 Displaying the sequence With the LCD panel, the D04-0 to 3: sequence input and D04-4 to 7: sequence output are displayed as shown below. The D04-4: Sequence output 1 is shown as a display example. Sequence status- D04-4: ○...
Page 94 4. Operation Panel 4-2-9 Operating and displaying during Block-A, B, C parameter change list selection If the key is pressed when the parameter is set to D20-2, the Block-A, B, C parameter change list will appear. Press the key to return to the parameter selection from the Block-A, B, C parameter change list display.
Page 95 4. Operation Panel 4-2-10 Displaying the LCD panel dedicated sequence characters If the key is pressed when the parameter is set to D20-3 or 4, the sequence input or output display will appear. The parameter No. and target are shown below. D20-3 : Sequence input D20-4 : Sequence output The D20-4 sequence output is explained as an example in the following section.
Page 96 4. Operation Panel 4-2-11 LCD panel display at fault occurrence, and resetting methods When a fault occurs in the inverter, the following type of display will appear on the LCD panel. Local frequency Primary error co D00-0: -56.32Hz E00 : UV-2. Fault occurrence Current display...
Page 97: Various Operations And Displays When Led Panel Is Connected
4. Operation Panel 4-3 Various operations and displays when LED panel is connected The various operation and displays when the LED panel starts up correctly are explained in this section. Refer to Chapter 3 section 3-4-1. Automatic Tuning and Test Operation for V/f control for details on the display when the power is turned ON.
Page 98 4. Operation Panel 4-3-2 Operating and displaying the setting value Refer to Sections 6-2 to 6-5, for the details of the Block-A, B and C parameters. <Keys> <Display, unit LED> <Explanation> Change the Parameter: B00-4 maximum output frequency (Fmax) from 50.0 to 60.0 (In Monitor Mode) ％...
Page 99 4. Operation Panel <Keys> <Display, unit LED> <Explanation> Change the parameter A03-1 (DC Breaking Time) from 2.0 (default value) to 3.5. (In B00-4 Parameter Setting Mode) ％ Changes to the Block-C Parameter Setting Mode. Changes to the Utility Mode. (For future use) Changes to the Monitor Mode.
Page 100 4. Operation Panel 4-3-3 Operating the monitor parameters with the main & sub-No. selection method (1) The method for operating the parameters with the C11-7=2 : main & sub-No selection method is shown below. <Keys> <Display, unit LED> <Explanation> After viewing the output current with a [%] unit, the parameter which displays the output frequency with a [Hz] unit is displayed.
Page 101 4. Operation Panel 4-3-4 Changing the Block-A, B, C parameters with main & sub-No. selection method (1) Refer to Sections 6-2 to 6-5, for the details of the Block-A, B and C parameters. <Keys> <Display, unit LED> <Explanation> Change the parameter A03-1 (DC Breaking Time) from 2.0 (default value) to 3.5. (In D00-0 Parameter Setting Mode) ％...
Page 102 4. Operation Panel (Note) If the (RUN) display appears when changing from the parameter No. to the setting No. change state, the parameter is one that can be changed only while the inverter is stopped. With the main & sub-No. selection method, if the sub-No. increases from the maximum state or decreases from the minimum state, it will lop within the same main No.
Page 103 4. Operation Panel 4-3-7 Fault History Display Refer to Appendix Table 3 Fault Code Table for the fault codes and details. <Keys> <Display, unit LED> <Explanation> (d00-0 will display in the Monitor Mode.) ％＋ Select Monitor Parameter d20-0. ↓ The [ERR] symbol will display after one second.
Page 104 4. Operation Panel The fault history display has the following type of configuration. The faults up to the previous faults are listed as display examples. Fault Fault history Display Explanation sequence Fault 1 Primary cause fault (overcurrent) (The latest) Secondary cause fault (retry over) Output frequency at fault Output current at fault DC voltage at fault...
Page 105 4. Operation Panel 4-3-8 Operations and display when Block-A, B, C parameter change list is selected Monitor parameter D20-2 is an entry into the Block-A, B, C parameter change list mode. In this change list mode, only the Block-A, B, C parameters which differ from the default values can be referred to and changed.
Page 106 4. Operation Panel <Keys> <Display, unit LED> <Explanation> The parameter No. and current setting value will ↓ ↑ alternately display. The parameters which differ from the setting values can be displayed in order by pressing the key. ％ ↓ ↑ ％...
Page 107 4. Operation Panel 4-3-9 LED panel display at fault occurrence, and resetting methods When a fault occurs in the inverter, the following type of display will appear on the LED panel. ％ Fault ％ Alternate ％ display occurrence Current display Moves to fault history display simultaneously with fault occurrence The No.
Page 108: Customizing Block-B, C Parameter
4. Operation Panel 4-4 Customizing block-B, C parameter Block-B, C parameters can be assigned to any Block-A Parameter in the range of A04-0 to A04-7, and can be read and changed in the Block-A Parameter Setting Mode. To use this function, set parameter No. to be displayed in A04-0 to 7 in parameter C10-0 to 7. The case for the V/f control (C30-0=1) of control selection (C30-0:f0) is shown below.
Page 109 4. Operation Panel <Keys> <Display, unit LED> <Explanation> Register parameter B10-0 on Parameter C10-0 (Custom Setting). (Mode and Parameter Number Change to C10-0) ↓ ↑ The display shows Parameter C10-0. (Setting value 1.9F.F is the initial setting, and indicates that nothing has been selected.) The C10-0 setting value setting is started by pressing key.
Page 110: Changing Modes
4. Operation Panel Changing modes The parameters used differ according to the control mode (C30-0:f0). The parameters include the V/f control, the IM vector control (sensor-less, with sensor) and the PM motor control with sensor. These parameters are divided into the block No. (mode), main No. and sub-No. for each function. 4-5-1 V/f control (C30-0 f0 = 1) mode The configuration of the parameters is shown in Fig.
Page 111 4. Operation Panel : Parameters changed infrequently during the normal usage Block-B Parameter Mode state Basic function settings Output rating (B00-0 to 7) Motor circuit constant (IM) (B02-0 to 1) Knob or Frequency skip (B05-0 to 5) Gearing comparative setting (B06-0, 1, 3, 4, 6, 7, 9, A, C, D) Upper/Lower limit setting (B07-0, 1)
Page 112 4. Operation Panel : Parameters changed infrequently during the normal usage Block-C Parameter Mode state Basic function settings Control methods (C00-0 to 7) Start/stop frequency (C01-0 to 1) Various setting input selection (C02-0 to 1) Knob or Sequence input terminal function – 1 (C03-0 to F) Sequence input terminal function –...
Page 113 4. Operation Panel 4-5-2 IM speed sensor-less vector control (C30-0 f0 = 2), IM vector control with speed sensor (C30-0 f0 = 3) The configuration of the parameters is shown in Fig. 4-5-2. Mode : Monitors (displays) the internal status. Monitor mode Output frequency monitor (d00-0 to 5)
Page 114 4. Operation Panel : Parameters changed infrequently during the normal Block-B Parameter Mode usage state Basic function settings Output rating (B01-0 to 9) Motor circuit constant (IM) (B02-0 to 9) Gearing comparative setting (B06-0, 2, 3, 5, 6, 8, 9, B, C, E) Knob or Upper/Lower limit setting (B07-2､3)
Page 115 4. Operation Panel : Parameters changed infrequently during the normal Block-C Parameter Mode usage state Basic function settings Control methods (C00-0 to 7) Various setting input selection (C02-0 to 8) Sequence input terminal function – 1 (C03-0 to F) Knob or Sequence input terminal function –...
Page 116 4. Operation Panel 4-5-3 PM motor control mode with sensor (C30-0 f0 = 4) The configuration of the parameters is shown in Fig. 4-5-3. Mode : Monitors (displays) the internal status. Monitor mode Output frequency monitor (d00-0 to 5) Frequency setting monitor (d01-2 to 4) Current monitor (d02-0 to 9)
Page 117 4. Operation Panel : Parameters changed infrequently during the normal Block-B Parameter Mode usage state Basic function settings Output rating (B01-0 to 9) Motor circuit constant (PM) (B03-0 to 5) Gearing comparative setting (B06-0, 2, 3, 5, 6, 8, 9, B, C, E) Knob or Upper/Lower limit setting (B07-2､3)
Page 118 4. Operation Panel : Parameters changed infrequently during the normal Block-C Parameter Mode usage state Basic function settings Control methods (C00-0 to 7) Various setting input selection (C02-0 to 8) Sequence input terminal function – 1 (C03-0 to F) Knob or Sequence input terminal function –...
Page 119: Chapter 5 Control Input/Output
5. Control Input/Output Chapter 5 Control Input/Output 5-1 Input/output terminal function The terminal block and input/output functions related to control are as shown in Tables 5-1. Table 5-1 Terminal block functions (TB1, TB2) Symbol Name Features These commands can be arbitrarily led to the input signal circuit in the control PCB PSI1 to Programmable input through sequence input selective setting (C03 to C06).
Page 120: Control Input/Output Circuit
5. Control Input/Output 5-2 Control input/output circuit Examples of the control input/output circuit wiring are shown in table 5-2. The precautions must be observed during wiring. Table 5-2 Control input/output circuit Function Example of wirings Precautions Sequence input 1. Wiring must not be longer than 30m. (a) Sink logic (b) Source logic 30m or less...
Page 121: Programmable Sequence Input Function (Psi)
5. Control Input/Output Table 5-2 Control input/output circuit (continued) Function Example of wirings Precautions Sequence 1. Use within the rated range shown output below. To comply with UL/CE, use at (Relay output) 30VAC/DC or less. 250VAC 125VAC Rated capacity 0.4A (resistance load) 30VDC 30VDC...
Page 122 5. Control Input/Output 5 – 4...
Page 123 5. Control Input/Output Table 5-3 Programmable sequence input functions (1) Connection of PSI1 to PSI11 is possible. Note that PSI8 to PSI11 are options. The connection is done with data Nos.: C03 to C06 Symbol Name Function This is the forward run command for the remote operation mode (when F RUN Forward run LCL LED is not ON).
Page 124 5. Control Input/Output Table 5-3 Programmable sequence input functions (2) Symbol Name Function Speed setting 1 The frequency (speed) setting is carried AFS1 out with the input selected with C07-0. selection The frequency (speed) setting is carried Speed setting 2 AFS2 out with the input selected with C07-1.
Page 125 5. Control Input/Output Table 5-3 Programmable sequence input functions (3) Symbol Name Function Pre-excitation Pre-excitation operation takes place. Pre-excitation operation refers to establishing only the flux in the motor without generating toque. If torque is required immediately from the start of operation, use pre-excitation operation beforehand to establish the flux in the motor.
Page 126: Programmable Sequence Output Function (Pso)
5. Control Input/Output 5-4 Programmable sequence output function (PSO) Default values As a standard, the sequence outputs include five channels (1c Terminal contact output: one channel, 1a contact output: one channel, Setting symbol open collector output: three channels). The signals shown in FA-FB-FC Fault Table 5-4 can be randomly output from the five channels.
Page 127: Sequence Input Logic
5. Control Input/Output 5-5 Sequence input logic Sequence signal changover Internal command Logic Operation panel converter Basic operation Terminal block F RUN HOLD R RUN BRAKE F JOG R JOG PSI1～7 HOLD CSEL BRAKE IPASS OPTION PIDEN PSI8～11 CSEL IPASS PRST PIDEN (Set with C00-5)
Page 128: Changing Of Terminal Functions
5. Control Input/Output 5-6 Changing of terminal functions The programmable input terminals (PSI1 to PSI11) can be connected to arbitrarily internal commands. The internal state can be connected to the programmable output terminal (FA-FB-FC, RA-RC and PSO1 to PSO5) to lead in the ON/OFF signals. 5-6-1 Sequence input terminal assignment and monitoring The parameters can be assigned to the terminal block as shown in Fig.
Page 129 5. Control Input/Output 5-6-2 Sequence output terminal assignment and monitoring The ON/OFF of the internal signals can be output to the FA-FB-FC, RA-RC and PSO1 to 7 terminals as shown in Fig. 5-6-2-a with the parameter Nos. C13-2 to 6 and C33-0 to 3. The ON/OFF of each signal can be monitored as shown in Fig.
Page 130: Programmable Input Function (Pi)
5. Control Input/Output 5-7 Programmable input function (PI) 5-7-1 Types of analog inputs As a standard, there are three channels for the analog input. Each analog input can be connected to the internal setting signals shown in Table 5-7-1 by using the programmable input function. Table 5-7-1 Types of internal setting signals assigned to analog input Setting range (Note1)(Note3) AI1, 2...
Page 131 5. Control Input/Output (Note 1) Select each analog input mode with C12-0 to A. (Note 2) AI3 : The setting is limited to 0% during the −10 to 0V and −5 to 0V input. (Note 3) Setting range/Resolution : AI1, 2 (Voltage mode) : 0 to 10V/12 bit, AI1, 2 (Current mode) : 0 to 20mA/12 bit, : -10V to 10V/12 bit The resolution is reduced according to setting range.
Page 132 5. Control Input/Output 5-7-3 Pulse train input The pulse train input is one channel and uses input terminal PSI7. When using the pulse train input function, PSI7 cannot be used as the sequence input. Set the control PCB as shown below for using the pulse train input function. Set the L bit W2 to source logic (2 side) before turning ON the power.
Page 133 5. Control Input/Output After the pulse train signal frequency is detected with the frequency detector, LPF is inserted in that frequency value. Set this LPF time constant with C12-E. When C12-E is set to "0", that LFP is passed. If the input signal edge is not detected by the internal counter within the C12-F setting time, it will be judged that the input signal has turned OFF, and the set input value will be handled as 0.
Page 134: Programmable Output Function (P0)
5. Control Input/Output 5-8 Programmable output function (P0) 5-8-1 Types of analog outputs As a standard, there are 2 channels for the analog output (10-bit). As shown in Fig. 5-8-2, internal data can be assigned to the A01 and A02 terminals. The voltage output and current output can be selected for A01 and A02 by setting parameter C14-7, 8 and L bit W3, W4.
Page 135 5. Control Input/Output 5-8-2 Setting the analog output A following internal data can be output to A01, A02 terminals with parameters C13-0 and 1 as shown in Fig. 5-8-2. The setting is completed by setting the output data number in C13-0 and 1. If the gain needs to be adjusted, use C14-0, 1.
Page 136 5. Control Input/Output 5-8-3 Pulse train output The pulse train output is one channel, and can be output from PS03 on the terminal block output. Internal data can be assigned and output as a pulse train. If PS03 is assigned to the pulse train output function, it cannot be used as a sequence output.
Page 137 5. Control Input/Output 3) Refer to Fig. 5-8-3-b, and set the frequency of the pulses output with C13-C, D. To output the absolute value of the internal data, set C13-F to 2. 10kHz C13-D C13-C 0.1Hz Fmax Internal data [%] Fig.
Page 138: Selecting The Setting Data
5. Control Input/Output 5-9 Selecting the setting data 5-9-1 Speed setting (1) Speed setting selection The ten types of speed setting inputs shown below can be used. One of the ten types of inputs can be selected by setting a parameter or with the sequence input. Setting Setting data Explanation...
Page 139 5. Control Input/Output 5-9-2 Torque setting (1) Torque setting selection The following four types of torque setting inputs can be used. One of the four types of inputs can be selected by setting a parameter or with the sequence input. Setting Setting data Explanation...
Page 140 5. Control Input/Output 5-9-3 Torque bias 1 setting (1) Torque bias 1 setting selection The following three types of torque bias 1 setting inputs can be used. One of the three types of inputs can be selected by setting a parameter or with the sequence input. Setting Setting data Explanation...
Page 141 5. Control Input/Output (1-1) External reduction setting The limiter reduction setting input from an external source includes the following two types independently for the drive and regeneration. One of the two types of inputs can be selected by setting a parameter or with the sequence input. Setting Setting data Explanation...
Page 142 5. Control Input/Output (2) Torque limiter setting selection sequence The relation of the torque limiter setting and changeover sequence is as shown below. : Changeover with sequence input When NFB < NDBL 100% : Changeover with parameter setting – 1 KDBL (%) ×...
Page 143 5. Control Input/Output 5-9-5 Torque ratio 1 setting (1) Torque ratio 1 setting selection The following two types of torque ratio 1 setting inputs can be used. One of the two types of inputs can be selected by setting a parameter or with the sequence input. Setting Setting data Explanation...
Page 144 5. Control Input/Output 5-9-6 Torque ratio 2, torque bias 2 setting (1) Torque ratio 2 setting selection The following two types of torque ratio 2 setting inputs can be used. One of the two types of inputs can be selected by setting a parameter or with the sequence input. Setting Setting data Explanation...
Page 145 5. Control Input/Output 5-9-7 Machine time constant setting (1) Machine time constant setting The following three types of machine time constant setting inputs can be used. One of the three types of inputs can be selected by setting a parameter or with the sequence input. Setting Setting data Explanation...
Page 146 5. Control Input/Output 5-9-8 ASR response setting (1) ASR response setting selection The following two types of ASR response setting inputs can be used. One of the two types of inputs can be selected by setting a parameter or with the sequence input. Setting Setting data Explanation...
Page 147: Chapter 6 Control Functions And Parameter Settings
6. Control Functions and Parameter Settings Chapter 6 Control Functions and Parameter Settings 6-1 Monitor parameters The monitor mode sequentially displays the frequency, power supply, etc., parameters recognized by the VT240S. The symbols shown at the right of the list show the application of each parameter as shown below. V/f : Indicates parameters that apply for V/f control (constant torque, variable torque) (C30-0: f0 = 1).
Page 148 6. Control Functions and Parameter Settings Monitor parameters list Application Parameter Unit Remarks D02 – Current monitor The excitation current’s detection value is displayed using the Excitation current motor rated current as 100%. detection With the PM motor control, the demagnetizing current is indicated with –...
Page 149 6. Control Functions and Parameter Settings AFS2 AFS1 PICK AFS3 CPASS AUXDV IPASS IVLM PROG MBRK_ans CSEL BRAKE RESET Sequence input (D04-0) Sequence input (D04-1) TRQB1 DEDB TRQB2 DROOP LIM2 PRST PLS_IN LIM1 PIDEN OCLLV1 PCTL AUXSW0 OCLLV2 AUXSW1 Sequence input (D04-2) Sequence input (D04-3) Doff SPD2...
Page 150 6. Control Functions and Parameter Settings FPOS MP08 MP01 PLC8 PLC1 MP02 PLC7 PLC2 MP07 MP06 MP03 PLC6 PLC3 PLC5 PLC4 MP04 MP05 Sequence output (D04-6) Sequence output (D04-7) AI2 current input 3mA or less Speed position detection error AI1 current input 3mA or less Reducing carrier frequency Pump control lower limit Overload error (50% or more)
Page 151 6. Control Functions and Parameter Settings PSO1 (Pump 1) PSO8 (Pump 8) PSO7 (Pump 7) PSO2 (Pump 2) PSO3 (Pump 3) PSO5 (Pump 5) PSO4 (Pump 4) Pump operation status monitor (D07-0) Upper line: Indication of steps required for tuning. Lower line: Indication of completed steps.
Page 152 6. Control Functions and Parameter Settings Monitor parameters list Application Parameter Unit Remarks D10– Built-in PLC monitor The contents of address 36 for the built-in PLC memory are Built-in PLC display 1 displayed. The contents of address 37 for the built-in PLC memory are Built-in PLC display 2 displayed.
Page 153 6. Control Functions and Parameter Settings Monitor parameters list Application Parameter Unit Remarks D20 – Extended monitor The fault history reference mode will display when SET is Fault history monitor pressed. The minor fault history reference mode will display when Minor failure past record indication SET is pressed.
Page 154: Block-A Parameters
6. Control Functions and Parameter Settings 6-2 Block-A parameters The parameters used most frequently have been grouped in Block-A. : Indicates parameters that apply for V/f control (constant torque, variable torque) (C30-0: f0 = 1). VEC : Indicates parameters that apply for IM speed sensor-less vector control and IM speed vector control with sensor (C30-0: f0 = 2, 3).
Page 155 6. Control Functions and Parameter Settings Block-A parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE A04 – Custom parameters 0 Custom parameters – 0 6-90 1 Custom parameters – 1 6-90 2 Custom parameters – 2 6-90 Set the parameter Nos.
Page 156: Block-B Parameters
6. Control Functions and Parameter Settings 6-3 Block-B parameters The Block-B parameters are divided into the basic functions, extended functions and software option functions. : Indicates parameters that apply for V/f control (constant torque, variable torque) (C30-0: f0 = 1). VEC : Indicates parameters that apply for IM speed sensor-less vector control and IM speed vector control with sensor (C30-0: f0 = 2, 3).
Page 157 6. Control Functions and Parameter Settings Block-B parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B00 – Output rating (V/f control) The noise can be lowered by changing the PWM carrier frequency and control method, and changing the sound of the magnetic noise generated from the motor.
Page 158 6. Control Functions and Parameter Settings Block-B parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B01 – Output rating (Vector control) The noise can be lowered by changing the PWM carrier frequency and control method, and changing the tone of the magnetic noise generated from the motor.
Page 159 6. Control Functions and Parameter Settings Block-B parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B03 – Motor circuit constant (PM) R1: PM motor primary 1.000 resistance 0.001 9.999 6-95 (m Ω ) (Mantissa section) This combination means below R1: PM motor...
Page 160 6. Control Functions and Parameter Settings Block-B parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B06 – Gearing comparative setting Analog speed setting-1: 1.000 6-97 -10.000 10.000 Coefficient -fmax*5 fmax*5 The coefficient and panel bias value for Analog speed setting-1: 0.00 6-97...
Page 161 6. Control Functions and Parameter Settings Block-B parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B10 – Acceleration/deceleration time setting S-shape characteristics Set to 1/2 or less of the ramp time. (Ts) acceleration and S-shape pattern is possible by setting this 6-99 deceleration time...
Page 162 6. Control Functions and Parameter Settings Block-B parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B12 – Automatic braking on power failure setting (Main) Braking on power failure =1: C00-0, 1 compliant, =2: Decelerate 6-101 enable setting (Main) stop at power failure...
Page 163 6. Control Functions and Parameter Settings Block-B parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B14 – ASR dead band setting The non-sensitive range of the ASR input 100.0 6-103 0 ASR dead band setting is set.
Page 164 6. Control Functions and Parameter Settings Block-B parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B18 – Current limit 125. The default value is 155. when heavy-duty 0 Drive current limit 300. 6-107 is set.
Page 165 6. Control Functions and Parameter Settings Block-B parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B20 – Output rating (Auxiliary drive 0) Max./base frequency Select the output frequency rating from the simple setting 6-108 combination below.
Page 166 6. Control Functions and Parameter Settings Block-B parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B21 – Frequency setting (Auxiliary drive 0) This is the acceleration/deceleration ramp Acceleration time - 2 10.0 time setting made valid when the sequence 6000.0 6-108 (Auxiliary drive 0)
Page 167 6. Control Functions and Parameter Settings Block-B parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B24 – Output rating (Auxiliary drive 0) Max./base frequency Select the output frequency rating from the simple setting 6-108 combination below.
Page 168 6. Control Functions and Parameter Settings Block-B parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B25 – Frequency setting (Auxiliary drive 1) This is the acceleration/deceleration ramp time setting made valid when the sequence Acceleration time - 2 10.0 6000.0...
Page 169 6. Control Functions and Parameter Settings Block-B parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B28 – Output rating (Auxiliary drive 2) Max./base frequency Select the output frequency rating from the simple setting 6-108 combination below.
Page 170 6. Control Functions and Parameter Settings Block-B parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B29 – Frequency setting (Auxiliary drive 2) This is the acceleration/deceleration ramp Acceleration time - 2 10.0 time setting made valid when the sequence 6000.0 6-108 (Auxiliary drive 2)
Page 171 6. Control Functions and Parameter Settings Block-B parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B2C – Output rating (Auxiliary drive 3) Max./base frequency Select the output frequency rating from the simple setting 6-108 combination below.
Page 172 6. Control Functions and Parameter Settings Block-B parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B2D – Frequency setting (Auxiliary drive 3) This is the acceleration/deceleration ramp 10.0 Acceleration time - 2 time setting made valid when the sequence 6000.0 6-108 (Auxiliary drive 3)
Page 173 6. Control Functions and Parameter Settings Block-B parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B30 – Speed control extended function Set the observer gain for the load torque observer. To increase the responsiveness of the Load torque observer external disturbance response gain (Speed control...
Page 174 6. Control Functions and Parameter Settings Block-B parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B31 – Sensor-less control function This is the feedback gain for the flux Flux observer gain observer. (Sensor-less control 0.50 1.50 1.00...
Page 175 6. Control Functions and Parameter Settings Block-B parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B32 – Vector control compensation selection • Extended function control = 1: Disable = 2 to 50: Enable This is the control gain used for high-speed control of the secondary flux when starting operation.
Page 176 6. Control Functions and Parameter Settings Block-B parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B33 – M fluctuation compensation table reference speed Table reference speed 0 (M fluctuation 100. 9999. 6-111 (min compensation) Table reference speed 1 (M fluctuation...
Page 177 6. Control Functions and Parameter Settings Block-B parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B36 – Field weakening electric current table (PM motor control) Field weakening electric current table 0 (at -100.0 100.0 6-112 (%/I1)
Page 178 6. Control Functions and Parameter Settings Block-B parameters (S/W option constants) list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B40 – Software option function = 1: Following functions are not used. = 2: Program ramp function use = 3: Pattern run use = 4: Traverse run use = 5: PID use...
Page 179 6. Control Functions and Parameter Settings Block-B parameters (S/W option constants) list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B43 – PID control Proportional gain 0.01 10.00 1.00 6-114 (PID control) Integral time constant 10.0 30.0 6-114...
Page 180 6. Control Functions and Parameter Settings Block-B parameters (S/W option constants) list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B45 – Traverse run Traverse run: Center 20.00 Set the center frequency for traverse 5.00 100.00 6-122 frequency (speed) (FH)
Page 181 6. Control Functions and Parameter Settings Block-B parameters (S/W option constants) list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B50 – Pattern run step-0 Mode = 0: Stop = 1: Forward run 6-127 (Pattern run step-0) = 2: Reverse run Frequency (speed) 10.00...
Page 182 6. Control Functions and Parameter Settings Block-B parameters (S/W option constants) list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B56 – Pattern run step-6 Mode = 0: Stop = 1: Forward run 6-127 (Pattern run step-6) = 2: Reverse run =3: Return Frequency (speed) 10.00...
Page 183 6. Control Functions and Parameter Settings Block-B parameters (S/W option constants) list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B60 – Spinning frame operation setting 1 = ×1, 2 = ×10 STP time unit setting This is valid for the STP time (B63, 64, 67, (Spinning frame 6-129...
Page 184 6. Control Functions and Parameter Settings Block-B parameters (S/W option constants) list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B64 – STP0 time 0 STP0 time 8 6000.0 Set the STP0 step 8 time. 6-129 1 STP0 time 9 6000.0...
Page 185 6. Control Functions and Parameter Settings Block-B parameters (S/W option constants) list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B68 – STP1 time 0 STP1 time 8 6000.0 Set the STP1 step 8 time. 6-129 1 STP1 time 9 6000.0...
Page 186 6. Control Functions and Parameter Settings Block-B parameters (S/W option constants) list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B72 – STP2 time 0 STP2 time 8 6000.0 Set the STP2 step 8 time. 6-129 1 STP2 time 9 6000.0...
Page 187 6. Control Functions and Parameter Settings Block-B parameters (S/W option constants) list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE B76 – STP3 time 0 STP3 time 8 6000.0 Set the STP3 step 8 time. 6-129 1 STP3 time 9 6000.0...
Page 188: Block-C Parameters
6. Control Functions and Parameter Settings 6-4 Block-C parameters The Block-C parameters are divided into the basic functions, extended functions and hardware option functions. : Indicates parameters that apply for V/f control (constant torque, variable torque) (C30-0: f0 = 1). VEC : Indicates parameters that apply for IM speed sensor-less vector control and IM speed vector control with sensor (C30-0: f0 = 2, 3).
Page 189 6. Control Functions and Parameter Settings Block-C parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE C02 – Various setting input selection = 1: Analog fixed Speed setting input = 2: Serial/parallel fixed 6-135 points selection = 3: Panel fixed = 4: Sequence...
Page 190 6. Control Functions and Parameter Settings Block-C parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE C03 – Sequence input terminal function – 1 -11. 6-135 F·RUN Forward run -11. 6-135 Emergency stop Value Input terminal -11.
Page 191 6. Control Functions and Parameter Settings Block-C parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE C05 – Sequence input terminal function – 3 Digital torque -11. 6-135 bias 1 Digital torque -11. 6-135 bias 2 Digital torque -11.
Page 192 6. Control Functions and Parameter Settings Block-C parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE C09 – Parameter protection/operation locks Set to prevent unintentional operation from the operation panel (OPU). Set whether to enable or prohibit data changing for each parameter function unit as shown above.
Page 193 6. Control Functions and Parameter Settings Block-C parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE 9: All default values load 10: Parameter A 11: Parameters B, C basic functions 12: Parameters B, C extended functions 13: Parameter B software option function Parameter C hardware option function 14: Parameters B basic functions...
Page 194 6. Control Functions and Parameter Settings Block-C parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE Set the time to turn ON the LCD panel's backlight. =0: Always ON LCD panel: Backlight =Other than 0: Turns OFF when there is 255.
Page 195 6. Control Functions and Parameter Settings Block-C parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE C13 – Output terminal function RA-RC output -55. 6-142 parameters PSO1 output -55. 6-142 parameters Select the setting value from the following PSO2 output -55.
Page 196 6. Control Functions and Parameter Settings Block-C parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE C14 – Meter output gain 10V at Max. frequency when this is set to 0 Output gain for A01 0.20 2.00 1.00...
Page 197 6. Control Functions and Parameter Settings Block-C parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE C15 – Status output detection level Attainment (ATN) The attained output (ATN) operation width 20.0 6-145 detection width is set.
Page 198 6. Control Functions and Parameter Settings Block-C parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE C20 – Start interlock Start/stop frequency The motor will stop when below this 20.0 6-147 (speed) frequency setting. If the motor stops when the set frequency is set to C20-0 or less, the set frequency Start/stop frequency...
Page 199 6. Control Functions and Parameter Settings Block-C parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE C22 – Overload Note that when this parameter is changed, Parameters C22-1 and C22-2 will Motor overload 100.0 automatically be adjusted to the value of 50.0 105.0...
Page 200 6. Control Functions and Parameter Settings Block-C parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE C24 – Speed detection error monitor Speed deviation error 10.0 Set the error judgment command and the 50.0 6-154 level deviation level for detection.
Page 201 6. Control Functions and Parameter Settings Block-C parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE C30 – Control mode selection f1: The overload mode is set. =1: Normal-duty (120%1min) =2: Heavy-duty (150%1min) f0: The control mode is set. 0 Control mode selection 6-157 =1: V/f control...
Page 202 6. Control Functions and Parameter Settings Block-C parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE C34 – Field network interface (PROFIBUS) Set the station address. 0 Station number 126. 01 to 126 (Slave station) Select the detection of transmission errors.
Page 203 6. Control Functions and Parameter Settings Block-C parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE C34 – Field network interface (IO link II) Set the station address. 0 Station number 126. 02 to 31 (Remote station) Select the detection of transmission errors.
Page 204 6. Control Functions and Parameter Settings Block-C parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE C50 – Encoder setting The pulse input from the encoder can be divided in half, and output to an external Encoder pulse divided source from PAOUT and PBOUT on the 1023.
Page 205 6. Control Functions and Parameter Settings Block-C parameters list Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE C51 – Encoder setting (PM) Select the type of signal input from the encoder. =1: A, B, Z-phase + U, V, W-phase signal =2: A, B, Z-phase + serial absolute signal 6-159 0 Encoder selection...
Page 206: Block-U Parameters
6. Control Functions and Parameter Settings 6-5 Block-U parameters The block-U parameters are for the utility mode. : Indicates parameters that apply for V/f control (constant torque, variable torque) (C30-0: f0 = 1). VEC : Indicates parameters that apply for IM speed sensor-less vector control and IM speed vector control with sensor (C30-0: f0 = 2, 3).
Page 207 6. Control Functions and Parameter Settings Block-U parameter built-in PLC function settings Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE U10 – Built-in PLC setting Set the number of banks to be executed at 1 bank/2ms. The built-in PLC is turned OFF when 1 is set.
Page 208 6. Control Functions and Parameter Settings Block-U parameter built-in PLC function settings Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE U22 – Built-in PLC command bank A Set the built-in PLC command. 0 Command 2-0 FFFF.
Page 209 6. Control Functions and Parameter Settings Block-U parameter built-in PLC function settings Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE U25 – Built-in PLC command bank A Set the built-in PLC command. 0 Command 5-0 FFFF.
Page 210 6. Control Functions and Parameter Settings Block-U parameter built-in PLC function settings Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE U30 – Built-in PLC command bank B Set the built-in PLC command. 0 Command 0-0 FFFF.
Page 211 6. Control Functions and Parameter Settings Block-U parameter built-in PLC function settings Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE U33 – Built-in PLC command bank B Set the built-in PLC command. 0 Command 3-0 FFFF.
Page 212 6. Control Functions and Parameter Settings Block-U parameter built-in PLC function settings Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE U36 – Built-in PLC command bank B Set the built-in PLC command. 0 Command 6-0 FFFF.
Page 213 6. Control Functions and Parameter Settings Block-U parameter built-in PLC function settings Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE U40 – Built-in PLC command bank C Set the built-in PLC command. 0 Command 0-0 FFFF.
Page 214 6. Control Functions and Parameter Settings Block-U parameter built-in PLC function settings Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE U43 – Built-in PLC command bank C Set the built-in PLC command. 0 Command 3-0 FFFF.
Page 215 6. Control Functions and Parameter Settings Block-U parameter built-in PLC function settings Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE U46 – Built-in PLC command bank C Set the built-in PLC command. 0 Command 6-0 FFFF.
Page 216 6. Control Functions and Parameter Settings Block-U parameter built-in PLC function settings Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE U50 – Built-in PLC command bank D Set the built-in PLC command. 0 Command 0-0 FFFF.
Page 217 6. Control Functions and Parameter Settings Block-U parameter built-in PLC function settings Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE U53 – Built-in PLC command bank D Set the built-in PLC command. 0 Command 3-0 FFFF.
Page 218 6. Control Functions and Parameter Settings Block-U parameter built-in PLC function settings Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE U56 – Built-in PLC command bank D Set the built-in PLC command. 0 Command 6-0 FFFF.
Page 219 6. Control Functions and Parameter Settings Block-U parameter built-in PLC function settings Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE U60 – Built-in PLC command bank E Set the built-in PLC command. 0 Command 0-0 FFFF.
Page 220 6. Control Functions and Parameter Settings Block-U parameter built-in PLC function settings Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE U63 – Built-in PLC command bank E Set the built-in PLC command. 0 Command 3-0 FFFF.
Page 221 6. Control Functions and Parameter Settings Block-U parameter built-in PLC function settings Default Application Ref. Parameter Min. Max. Function (Unit) page V/f VEC PM RWE U66 – Built-in PLC command bank E Set the built-in PLC command. 0 Command 6-0 FFFF.
Page 222: Function Explanation
6. Control Functions and Parameter Settings 6-6 Function explanation 6-6-1 Explanation of monitor parameters (Block-D parameter) functions Output frequency in Hz D00-0 Output frequency in % D00-1 This indicates the frequency currently being output. With D00-1, the maximum frequency is indicated as 100%. will display when the gate is closed.
Page 223 6. Control Functions and Parameter Settings D01-4 Set frequency/input speed Random scale display The result of the C14-2 random scale display coefficient multiplied by the D01-0: set frequency is displayed for V/f control operation or auxiliary drive operation, and the random scale display coefficient multiplied by the D01-3: ramp function input speed is displayed for IM vector control and PM motor control.
Page 224 6. Control Functions and Parameter Settings U phase output current in Amps D02-7 V phase output current in Amps D02-8 W phase output current in Amps D02-9 The output current of each phase is displayed. will display when the gate is closed. The correct value is not displayed during pick-up or during automatic tuning.
Page 225 6. Control Functions and Parameter Settings TRQB1 DEDB TRQB2 DROOP LIM2 PRST PLS_IN PIDEN OCLLV1 LIM1 AUXSW0 OCLLV2 PCTL AUXSW1 Sequence input (D04-2) Sequence input (D04-3) Sequence status-Output D04-4~7 The ON/OFF status of the output sequence data is displayed. Each segment of the LED and the signal correspond as shown below. Doff-End SPD2 RDELAY...
Page 226 6. Control Functions and Parameter Settings Minor fault monitor D05-0 The ON/OFF status of the minor fault is displayed. Each segment of the LED and the signal correspond as shown below. ASIC breakdown monitor D05-1 The ASIC fault status is displayed. Each segment of the LED and the signal correspond as shown below.
Page 227 6. Control Functions and Parameter Settings Next ON pump No. monitor D07-2 0 is displayed when all pumps are ON. Next OFF pump No. monitor D07-3 0 is displayed when all pumps are OFF. Elapsed time in h D07-4 The time that the pump currently driven by the inverter has stayed ON continuously is displayed.
Page 228 6. Control Functions and Parameter Settings ASR output monitor in % D11-4 The ASR output is displayed. The forward run direction (drive) torque is displayed with a positive polarity, and the reverse run direction (regenerative) torque is displayed with a negative polarity. This is displayed as a percentage in respect to the motor's rated torque.
Page 229 6. Control Functions and Parameter Settings Magnetic pole position estimation: Characteristics amount for D16-0 magnetic pole position estimation 1 (PM motor drive) Magnetic pole position estimation: Characteristics amount for D16-1 magnetic pole position estimation 2 (PM motor drive) Magnetic pole position estimation: Magnetic pole position D16-2 estimation current (PM motor drive) Magnetic pole position estimation: Magnetic pole position...
Page 230 6. Control Functions and Parameter Settings Minor failure past record indication D20-1 Press the key to enter the minor fault history reference mode. The details are shown below. Fault history No. Displayed details Explanation The newly detected minor fault is M * 0 Current minor fault displayed as shown below.
Page 231 6. Control Functions and Parameter Settings Automatic tuning progression display D22-0 The progress of automatic tuning is displayed as shown below. Upper line: Indication of steps required for tuning. (LED light) Lower line: Indication of completed steps. (LED light) The flicker indicates the step currently being executed. Inverter type D30-0 The inverter capacity type is displayed.
Page 232 6. Control Functions and Parameter Settings 6-6-2 Explanation of Block-A parameter functions Local frequency setting A00-0 Local speed setting A00-2 This is the frequency (V/f control mode) and speed (other control modes) set with the operation panel. (Note 1) The operation panel speed change operation is set to "change at real time" (C11-2=1) as the factory setting, so the frequency and speed will change in real time when the keys (LED panel) are pressed or...
Page 233 6. Control Functions and Parameter Settings For A03-1: DC brake time setting, set the time for carrying out DC braking during operation stop. If this parameter is 0.0, the motor will stop without DC braking. C01-0: Start frequency setting is the output frequency setting value for starting operation. The output frequency is increased from this setting value.
Page 234 6. Control Functions and Parameter Settings Automatic torque boost selection (A02-1) Slip compensation gain (A02-5) 2:ON 1:OFF Overload limit Set frequency Frequency function command Manual torque boost selection (A02-0) Voltage Manual torque boost command setting (A02-2) 2:ON 1:OFF Square reduction torque setting (A02-3) Automatic torque boost selection...
Page 235 6. Control Functions and Parameter Settings CAUTION • When using only manual torque boost, carry out automatic tuning (B19-0 = 1). • When using automatic torque boost, always carry out automatic tuning (B19-0 = 2). • The maximum torque is not output instantly. It takes approx. 3 seconds for the maximum torque to be reached.
Page 236 6. Control Functions and Parameter Settings Slip compensation gain [%] A02-5 This parameter is automatically Output frequency adjusted with automatic tuning (mode 2). When setting manually, set the slip frequency for the motor rated load as a percentage in respect Load torque to the base frequency (B00-5).
Page 237 6. Control Functions and Parameter Settings Machine constant − 1 A10-1 This is used to calculate the ASR gain. This parameter is valid when the sequence command MCH is OFF. The B15-0 setting value is valid when MCH is ON. : Machine time constant −...
Page 238 6. Control Functions and Parameter Settings 6-6-3 Explanation of Block-B parameter functions Rated input voltage setting B00-0 B01-0 B00-0 is used to select the rated input voltage from the following table in the V/f control mode (C30-0 f0 = 1), and B01-0 is used to select the rated input voltage in all other control modes (C30-0 f0 = 2 to 4).
Page 239 6. Control Functions and Parameter Settings Motor rated voltage B00-3 B01-3 Set the rated voltage indicated on the motor nameplate. If this parameter is set to 39, the output voltage at the base frequency and rotation speed will be the input voltage. If a value other than 39 is set, the output voltage at the base frequency and rotation speed will be controlled to the value set with this parameter.
Page 240 6. Control Functions and Parameter Settings B00-7 Carrier frequency B01-7 The PWM carrier frequency and control method can be changed to change the tone of the magnetic sound generated from the motor. The relation of the setting range and control method is shown below.
Page 241 6. Control Functions and Parameter Settings No. of encoder pulses B01-8 The number of pulses per rotation of the encoder in use is set. No-load output voltage B01-9 The The motor terminal voltage during no-load at the base speed is set. Motor circuit constant (IM) B02-0~9 The IM equivalence circuit: T type and T-I type equivalence circuit, and the T type...
Page 242 6. Control Functions and Parameter Settings Frequency skip B05-0~5 By setting this parameter, the motor's mechanical resonance point at a specific frequency can be skipped. Valid only during V/f control. Refer to the following diagram, and set each parameter. B05-4 B05-5 B05-2 B05-3...
Page 243 6. Control Functions and Parameter Settings Ratio interlock setting B06-0~E The ratio interlock operation executes the following expression and corresponds to each speed setting input signal. Y = AX + B + C X: Frequency (speed) setting input A: Coefficient Y: Frequency (speed) command B: Bias 1 (operation results)
Page 244 6. Control Functions and Parameter Settings The frequency and speed setting to which the ratio interlock setting is applied, and the set parameters are shown below. Bias (B) Coefficient (A) During V/f During IM vector, control PM motor control Analog speed setting 1 B06-0 B06-1 B06-2...
Page 245 6. Control Functions and Parameter Settings S-shape characteristics B10-4 Acceleration/deceleration with the S-shape pattern is possible by setting this parameter. Time B10-4 A01-0, B10-0 A01-1, B10-1 B10-4 B41-0~7 B42-0~7 This parameter indicates the time of the section shown with ts above. The total acceleration/deceleration times ta and tb will not change.
Page 246 6. Control Functions and Parameter Settings Program frequency (speed) setting B11-0~7 Selection mode setting B11-8 This is the frequency • speed setting for when running program run (multi-step frequency • speed setting) by turning the sequence command PROG ON. Set B11-0 to B11-7 using the maximum frequency (B00-4) or maximum speed (B01-4) as 100%.
Page 247 6. Control Functions and Parameter Settings Automatic braking on power failure function B12-0~6 The decelerate at power failure function is valid when B12-0 is set to 2. This setting is also applied when using the auxiliary drive function. This function executes the following operations automatically.
Page 248 6. Control Functions and Parameter Settings Torque setting B13-0 This is the torque set by the operation panel. This setting value is used as the torque command value when C02-2 is set to 3 (default value). Refer to section 5-9-2 for details on selecting the torque setting. Torque ratio 1 setting B13-1 Set the torque ratio for the panel parameter (B13-0).
Page 249 6. Control Functions and Parameter Settings ASR gain compensation in constant power range B13-6 ACR gain compensation in constant power range B13-7 This setting compensates the ASR and ACR gain in the constant output range (speed above base speed). Refer to the following diagram and set the ASR gain compensation with B13-6 and the ACR gain compensation with B13-7.
Page 250 6. Control Functions and Parameter Settings Automatic torque bias control B16-0~B This function is used to apply torque bias from the start of operation based on the load feedback prior to operation. This prevents rotation due caused by the load that results when releasing the elevator brake.
Page 251 6. Control Functions and Parameter Settings (4) Setting the parameters for analog torque bias selection When the load feedback is obtained as an analog value, use the analog torque bias. Set the analog torque bias input terminals (AI1, AI2, AI3) with C07-A. Set the voltage and current input, full scale and filter time constants for the input terminals used with C12-0 to C12-A.
Page 252 6. Control Functions and Parameter Settings When using four or less V/f changeover points, set the setting value to "0.00" in the order of B17-0 → B17-2 → B17-4 → B17-6. If all of the frequency settings (B17-0, 2, 4, 6, 8) are set to "0.00", the V/f characteristics will be the 100% voltage (motor rated voltage) at the base frequency, and the B17-A setting voltage at the maximum frequency.
Page 253 6. Control Functions and Parameter Settings Over current limit B18-0 Over current limit function gain B18-3 Current stabilization gain B18-4 Over current stall prevention gain B18-5 Over current stall prevention time constant B18-6 Drive current limit level 2 B18-7 Drive current limit level 3 B18-8 The over current limit is a function that lowers the output frequency and suppresses the current so that the motor current does not exceed this parameter setting value during...
Page 254 6. Control Functions and Parameter Settings Regenerative current limit B18-1 The regenerative torque to deceleration running is limited. Set to 10% when not using the DB option. When using the DB option, calculate the value with the following formula and set. B18-1 setting value = /Motor capacity [kW] ×...
Page 255 6. Control Functions and Parameter Settings Speed setting LPF time constant B30-3 Set the low path filter time constant for the speed setting value. Overshooting can be suppressed by setting this to the filter time constant equivalent to the speed response. Speed detection LPF time constant B30-4 The speed detection noise is cut at the set time constant.
Page 256 6. Control Functions and Parameter Settings Regenerative compensation torque limiter 1, 2 B31-3~4 Regenerative compensation low-speed area setting 1, 2 B31-5~6 The regenerative torque limiter can be changed in the low-speed area. The shaded section shows the operation range. If operation is unstable within the shaded line range, set the parameter so that the unstable point is not within the shaded line area.
Page 257 6. Control Functions and Parameter Settings Iron loss compensation selection B32-3 (IM sensor-less vector control, IM vector control with sensor) = 1: Disable = 2: Enable This compensates the torque error caused by iron loss. The iron loss resistance value (B02-8, 9) must be set.
Page 258 6. Control Functions and Parameter Settings Voltage saturation prevention control constant B35-0~4 Field weakening electric current table (PM motor control) B36-0~6 Torque to Iq conversion adjustment coefficient table (PM) B38-0~6 Refer to section 6-9 for details on these parameters. Magnetic pole position estimation (PM) B39-0~3 Refer to section 3-4-4 for details on these parameters.
Page 259 6. Control Functions and Parameter Settings Program ramp − acceleration B41-0~7 Program ramp − deceleration B42-0~7 The motor can be run with program frequency (speed) setting 0 to 7 using the sequence commands PROG and S0, S1, S2, S3, SE and selection mode setting (B11-8). The program ramp time can also be switched at this time and the motor run.
Page 260 6. Control Functions and Parameter Settings PID control B43-0~A Basic PID control operation The following type of feedback loop can be configured by using the analog input (AI1, AI2, AI3) as a feedback input. VT240S AI1 or AI2 Cushion Speed sensor Pump –...
Page 261 6. Control Functions and Parameter Settings (3) Set the analog input to be used as the feedback input with C07-5. Set the level of the analog input to be used with C12-1, 2 for AI1 and C12-5, 6 for AI2. When inputting AI3 input, set the feedback input between 0 and 10V when C12-8 is 1, and between 0 and 5V when C12-8 is 2.
Page 262 6. Control Functions and Parameter Settings Multi-pump control B44-0~6 Multi-pump control refers to a function which controls the flow passage pressure at a constant level by running pumps in parallel using one VT240S and the VT240S' internal relay output (standard 5 points, option 4 points). The pressure step of the ON/OFF controlled pumps is interpolated by a pump that is variable-speed controlled by the VT240S, which has the PID control function.
Page 263 6. Control Functions and Parameter Settings B40-0=7: Main pump with rotation function, 1-contact method Up to 8 pumps are run in parallel using one VT240S and the VT240S' internal relay output's 8 points. When main pump with rotation is selected, the pump controlled with variable speed is switched to the least operating pump only when all pumps are stopped.
Page 264 6. Control Functions and Parameter Settings B40-0=8: Main pump with rotation function, 2-contact method Up to 4 pumps are run in parallel using one VT240S and the VT240S' internal relay output's 8 points. When main pump with rotation is selected, the pump controlled with variable speed is switched to the least operating pump only when all pumps are stopped.
Page 265 6. Control Functions and Parameter Settings Multi-pump control operation An example of actual operation for the multi-pump control is shown below. PID output Time MPO1 (Pump 1) MPO2 (Pump 2) MPO3 Sequence (Pump 3) output MPO4 (Pump 4) MPO5 (Pump 5) ON/OFF control pump changeover operation (when operating five pumps) ULT : PID output upper limit value in VT240S (B43-3).
Page 266 6. Control Functions and Parameter Settings • Main pump rotation function (6) When the main pump rotation function is enabled, the variable speed control pump will change to the pump with the shortest operation time of all pump only when all pumps are stopped.
Page 267 6. Control Functions and Parameter Settings (12) The following operations are performed when a fault occurs at the inverter. When B43-9: f0=1 (PID operation method = PIDEN + RUN): • The pump ON/OFF commands are maintained provided that the operation command (RUN) ON status is maintained.
Page 268 6. Control Functions and Parameter Settings Multi-pump control: INV control method at lower limit selection B44-6 Select whether to stop the INV or continue operation when the PID output lower limit state continues. When B44-6=2: Continue is selected, the INV will continue operation without stopping in the "VT240S automatic operation/STOP"...
Page 269 6. Control Functions and Parameter Settings (2) Deviated traverse X, Y operation The deviated traverse operation shown below takes place with the sequence commands S0 (X) and S1 (Y) when carrying out traverse operation with the PROG command ON. X (B45-5) FH (B45-0) Y (B45-6) S0 (X) OFF...
Page 270 6. Control Functions and Parameter Settings External brake control B46-0~5 The inverter brake can be turned ON and OFF in accordance with the inverter internal sequence. The external brake function contains all types of waiting time settings and an interlock function. External brake command (MBRK) External brake answer...
Page 271 6. Control Functions and Parameter Settings (2) All types of waiting time Set the waiting time when using external brake control. 1) Use B46-1 to set the waiting time (LB) from RUN until the brake is released. 2) Use B46-2 to set the waiting time (BL) from the point the brake is released until acceleration is commenced.
Page 272 6. Control Functions and Parameter Settings Simple ASR control B47-0~6 If the speed detection option preset board (V23-DN1 or DN2) is installed when V/f control is selected (C30-0=1, 2), simple ASR can be used. Simple ASR involves comparing the frequency command value and motor rotation count (frequency calculation value), and controlling the slippage frequency so that the frequency command matches the motor rotation count.
Page 273 6. Control Functions and Parameter Settings B50-0 Pattern run function ~B59-3 The frequency (speed), run direction and time can be changed automatically with the pattern run function. B51-1 B50-1 B54-1 Time B52-1 Step-0 Step-1 Step-2 Step-3 Step-4 B50-2 B51-2 B52-2 B53-2 B54-2 (1) A max.
Page 274 6. Control Functions and Parameter Settings (2) The sequence command functions will be as shown below during pattern running. RUN: Pattern run starts when this turns ON, and operation starts from the run frequency (speed) and operation time applied when the operation was previously stopped.
Page 275 6. Control Functions and Parameter Settings B60-0 Spinning frame function ~B76-6 This function is used to perform spinning pattern operation. This differs from the previous pattern operation in that acceleration/deceleration is performed in a straight line cushion (auto setting) until the setting point is reached. Set the parameter selection B60-0 f0 to 2 (selection) to enable the spinning frame function.
Page 276 6. Control Functions and Parameter Settings (3) Speed-Time Pattern (STP) operation 1) STP operation is performed when the sequence command RUN is issued. (F.JOG, R.JOG inching operation cannot be performed.) Operation is commenced from the selected STP Step 0. 2) The method of stopping after the pattern ends can be selected with the function selection B60-0 f1.
Page 277 6. Control Functions and Parameter Settings 3) If the operation command is turned OFF during STP operation, normal deceleration cushion or free-run stop is performed. When restarting operation, after accelerating with the normal acceleration cushion until the previous stop frequency is reached, STP operation is restarted from the previous stop step and operation time.
Page 278 6. Control Functions and Parameter Settings (6) Spindle average frequency display (D13-3) The currently selected STP average frequency is displayed at monitor D13-3. The average frequency is obtained using the following formulae. × [%]) [sec] × [%]) [sec] (n: Step no.) −...
Page 279 6. Control Functions and Parameter Settings 6-6-4 Explanation of Block-C parameter functions Run command method C00-0 Set the run command method for the remote operation mode (when "LCL" LED on operation panel is OFF). Set the sequence command, F.RUN, R.RUN and HOLD with C03-0, C03-2 and C03-5.
Page 280 6. Control Functions and Parameter Settings Run/stop methods C00-1 Jog stop method C00-2 = 1: Coast to stop = 2: Deceleration stop Coast to stop refers to stopping by turning the output OFF simultaneously with the stop command (F·RUN and R·RUN OFF). Deceleration stop refers to stopping by decelerating to the stopping frequency with the ramp down after the stop command, and then applying the DC-brake to stop.
Page 281 6. Control Functions and Parameter Settings Control source switchover method (J1 setting) C00-5 J1 setting =1: OFF =2: ON Select whether to use the sequence input signals from the control PCB terminal block in the local operation mode (when "LCL" LED on operation panel is ON). Refer to section 5-5 for details.
Page 282 6. Control Functions and Parameter Settings Auto start (To F･RUN/R･RUN) C08-0 = 1: OFF (runs with the run command ON after pre-charging) = 2: ON without pick-up If the run command is ON when the power is turned on, run will start after the inverter is charged.
Page 283 6. Control Functions and Parameter Settings Parameter protection C09-0 Set this parameter to prevent unintentional operations from operation panel. Changing of the data can be protected per function group with the setting value as shown below. Block B, C Block value Basic Extn.
Page 284 6. Control Functions and Parameter Settings Reverse run during ACR mode prohibit C09-5 = 1: Enable = 2: Prohibit Set this to prevent unintentional reverse run operation. When set to “2”, reverse run during ACR operation will be prohibited. The reverse run speed will be limited to approx. 1% if reverse run is started. This setting is ignored in the V/f mode.
Page 285 6. Control Functions and Parameter Settings AI1 terminal input mode selection C12-0 AI2 terminal input mode selection C12-4 Select the input mode for the AI1 and AI2 terminals. C12-0, 4 = 1 : Voltage input = 2 : Current input Refer to section 5-7 for details on using the analog input terminal.
Page 286 6. Control Functions and Parameter Settings Setting frequency/Setting speed Max. frequency Max. speed C12-2,6=2 C12-2,6=1 Input voltage 20mA Current input mode AI3 terminal input mode selection C12-8 AI3 input gain C12-9 Set the full scale of the AI3 terminal analog input signal with C12-8. C12-8 = 1 : -10V to +10V = 2 : -5V to +5V...
Page 287 6. Control Functions and Parameter Settings Filter time constant for AI1 input C12-3 Filter time constant for AI2 input C12-7 Filter time constant for AI3 input C12-A The filter time constant for the input value of the AI1, AI2 and AI3 terminals can be set. Fluctuation of the setting value caused by input signal noise or chattering, etc., can be suppressed by increasing the time constant.
Page 288 6. Control Functions and Parameter Settings RA-RC output parameters C13-2 PSO1, 2, 3 output parameters C13-3~5 FA-FC output parameters C13-6 Refer to section 5-6-2 for details. Built-in PLC input selection 1~4 C13-7~A Refer to section 6-11 for details. Pulse train output function C13-B Pulse frequency at 0% C13-C...
Page 289 6. Control Functions and Parameter Settings (Note 1) The maximum output voltage for the A01 and A02 output is approx. 11V. Thus, even if the gain or offset are set to a large value, a voltage higher than this maximum level will not be output. Set the A01, A02 output method with C14-7, 8.
Page 290 6. Control Functions and Parameter Settings Random scale display coefficient C14-2 Set the display value coefficient for the monitor parameter D00-4 (output frequency, speed random scale display) and D01-4 (set frequency, speed, ramp input random scale display. The result of multiplying the output frequency or set frequency, etc., with this setting value is displayed at D00-4, D01-4).
Page 291 6. Control Functions and Parameter Settings Attainment (ATN) detection width C15-0 C15-0 The attained output ATN operation width is set. Set with a percentage to the max. frequency Output (B00-4) or max. speed (B01-4). frequency (Motor speed) Time Current (IDET) detection level C15-1 Output current The current detection (IDET) operation level is...
Page 292 6. Control Functions and Parameter Settings RDELAY output delay time setting C15-5 Set the delay time from sequence output RUN OFF to RDELAY OFF in the sequence output RDELAY. RDELAY output Set the time with a 0.1 s unit. delay time (C15-5) Sequence output Sequence output...
Page 293 6. Control Functions and Parameter Settings Start/stop frequencies (speeds) C20-0 Start/stop frequency (speed) hysteresis C20-1 Interlock frequency (speed) C20-2 Run delay timer C20-3 The following types of interlock can be obtained for the run RUN and R·RUN commands. RUN X RUN Y R·RUN ON delay timer...
Page 294 6. Control Functions and Parameter Settings Number of retries C21-0 Retry wait time C21-1 Retry is a function that performs its own fault reset and restarts with pick-up. Set the number of retries, and the wait time (t ). If pick-up is not possible within the number of set times, an IO-4 fault will occur.
Page 295 6. Control Functions and Parameter Settings Pick-up current limit value C21-3 The current limit value during pick-up is set. This setting value is applied only during pick-up. Normally, set 100% and use. Adjust within the following range only when the output torque at restart is to be limited. C21-3 Setting value ≥...
Page 296 6. Control Functions and Parameter Settings V/f pick-up function selection C21-4 Select the pick-up function for when V/f control is selected (C30-0 f0 =1). =1: No reverse run pick-up Select this to restart the motor rotating in the same direction as the command when restarting after an instantaneous power failure.
Page 297 6. Control Functions and Parameter Settings Motor overload reference (L0) C22-0 0Hz overload (L2) C22-1 0.7 Fbase freq. overload (L1) C22-2 Motor overload breakdown reference C22-3 The operation reference for overload (OLT) is set. (1) Unit overload (OL-1) Trip time Overload protection is performed under (minute) C22-0=50%...
Page 298 6. Control Functions and Parameter Settings Motor power loss braking setting C22-5 When the motor loss braking function is activated, set the voltage to increase with the base frequency as a percentage in respect to the rated output voltage (B00-3). Normally, 50% of the default value is set.
Page 299 6. Control Functions and Parameter Settings Overspeed protection level C24-0 Set the overspeed protection level. Set as a percentage in respect to the maximum frequency (B00-4) or maximum speed (B01-4). The output frequency or motor speed is the target for comparison. Output frequency Motor speed C24-0...
Page 300 6. Control Functions and Parameter Settings Control mode changeover during speed deviation error C24-4 Speed deviation error level C24-5 Speed deviation error judgment time C24-6 A speed deviation error occurs when the speed command and speed detection difference is the same or higher than the speed deviation error level (C24-5), and this situation continues for longer than the speed deviation error judgment time (C24-6).
Page 301 6. Control Functions and Parameter Settings (Note) Slipping will increase during high-efficiency operation, so it is recommended to execute automatic tuning before operation and set the automatic torque boost selection to valid (A02-1 = 2). <Operation of high-efficiency operation> Normally for the V/f constant operation, the no-load loss is large with a light load, and the motor efficiency drops remarkably.
Page 302 6. Control Functions and Parameter Settings Standard serial communication Stop bit setting C26-5 Set the number of stop bits for serial communication. =1: 1bit =2: 2bit When MODBUS communication is selected, the parity setting (C26-2) has a priority. The value is fixed to 2 bits when parity is disabled, and 1 bit when parity is enabled. Standard serial communication Parity setting C26-6 Set the parity for serial communication.
Page 303 6. Control Functions and Parameter Settings Control mode selection C30-0 Select the control mode. This parameter is set with the two digits f1 and f0. f1: Select the unit overload mode. =1: Normal-duty (120%/1min) =2: Heavy-duty (150%/1min) f0: Select the control mode. =1: V/f control =2: IM speed sensor-less vector control =3: Vector control with IM speed sensor...
Page 304 6. Control Functions and Parameter Settings Data range selection C34-6 Select the data range for the transmission input/output data. Data Range Selection Table. Setting Data Frequency setting Speed setting Sign value size Data range Unit Data range Unit -１ 0d～44000d 0.01Hz 0d～65535d 0.1min...
Page 305 6. Control Functions and Parameter Settings Encoder AB advance direction selection C50-2 The motor's rotation direction is judged by the advance and delay of the encoder's A and B phase pulse phase. Refer to the following diagram and set this parameter according to the phase relation of the encoder's AB phase signal during forward run (CCW rotation).
Page 306 6. Control Functions and Parameter Settings AB phase-Z phase type selection C-51-1 Encoder Z signal reversal C-51-2 With the VT240S, the A, B and Z phase pulse encoder signals are defined as waveforms which are generated as shown below during forward run (CCW rotation). C51-1 is set according to the relation of the A phase signal's rising edge and Z phase signal phase.
Page 307 6. Control Functions and Parameter Settings U phase U phase V phase V phase W phase W phase Time Time (a) When C51-3 is 1 (CCW rotation) (b) When C51-3 is 2 (CCW rotation) When using an encoder with signal specifications which cannot be handled with the C51-3 setting, refer to the following diagram and table and invert the signals by setting C51-6.
Page 308 6. Control Functions and Parameter Settings Z-IN → U pulse angle C51-5 1) When using A, B, Z, phase + U, V, W phase signals or reduced wiring A, B, Z phase + U, V, W phase signals If there is a phase difference between the Z phase pulse and U phase pulse of the encoder in use, set the phase difference in C51-5.
Page 309 6. Control Functions and Parameter Settings UVW measurement start wait time [For reduced wiring ABZUVW] C51-7 UVW measurement end time [For reduced wiring ABZUVW] C51-8 ABZ measurement start wait time [For reduced wiring ABZUVW] C51-9 These parameters are set when using the reduced wiring type A, B, Z phase + U, V, W phase signal encoder.
Page 310 6. Control Functions and Parameter Settings 6-6-5 Explanation of Block-U parameter functions Parameter copy function U00-0 The inverter parameters can be saved in the non-volatile memory in the operation panel. Conversely, the saved parameters can be read to the inverter's non-volatile memory. This function is handy for setting the same parameters in several inverters.
Page 311 6. Control Functions and Parameter Settings Built-in PLC command bank A U20-0~7 U21-0~7 Set the built-in PLC command. The commands are executed in order from the small U22-0~7 numbers. This is valid when U10-0 is set to 1 or higher. U23-0~7 Refer to section 6-11 for details on the built-in PLC function.
Page 312 6. Control Functions and Parameter Settings Built-in PLC command bank E U60-0~7 U61-0~7 Set the built-in PLC command. The commands are executed in order from the small U62-0~7 numbers. This is valid when U10-1 is set to 5 or higher. U63-0~7 Refer to section 6-11 for details on the built-in PLC function.
Page 313: Setting The Overload Mode
6. Control Functions and Parameter Settings 6-7 Setting the overload mode 6-7-1 Selecting the overload mode Select one of the following modes according to the applicable load. If there is no difference in the load and unit capacity, the unit could be overloaded. Refer to the following table and select the mode which suits the load.
Page 314 6. Control Functions and Parameter Settings 6-7-2 Overload characteristics (1) Machine overload (OL-1) The unit overload detection curve changes in sequence with the overload mode selection. The machine overload characteristics are shown below. Note that the unit rating current for the normal-duty setting and heavy-duty setting is the reference for the current value (%).
Page 315: Adjusting The Im Vector Control Speed Control Related Parameters
6. Control Functions and Parameter Settings 6-8 Adjusting the IM vector control speed control related parameters When running the IM with the VT240S, ASR operation is possible by executing automatic tuning and setting simple speed control parameters. However, when carrying out high-response or high-accuracy control, the parameters must be adjusted in detail.
Page 316 6. Control Functions and Parameter Settings 6-8-2 IM speed regulator The IM motor speed regulator (ASR) is configured of PI control, and has the following parameters. Parameter Parameter Function A10-0 ASR response The required ASR response radian frequency is set. The time (Tm) to accelerate the motor and load’s torque A10-1 Machine time constant-1...
Page 317 6. Control Functions and Parameter Settings 6-8-4 IM exciting current control The exciting current is controlled to establish the secondary flux. A current reduction process in the constant output range or during voltage saturation, and high-speed magnetizing control to raise the secondary flux at a high speed are also carried out.
Page 318 6. Control Functions and Parameter Settings 6-8-5 IM current regulator The current regulator (ACR) is configured of PI control, and has the following parameters. Parameter Parameter Function The ACR response radian frequency is set. If the response is too low or too high, the current will A11-0 ACR response become unstable, and the over current protection will...
Page 319 6. Control Functions and Parameter Settings 6-8-7 IM load torque observer The disturbance load applied on the motor is calculated and the torque command is compensated. To increase the response toward disturbance, use the load torque observer. By setting the speed regulator (ASR) to P and using the load torque observer, overshooting can be suppressed.
Page 320: Adjusting The Pm Motor Control System Parameters
6. Control Functions and Parameter Settings 6-9 Adjusting the PM motor control system parameters A PM motor with sensor can be controlled with the VT240S. The position detection (speed detection) option dedicated for PM motor operation is required for this. The control of PM motor with sensor has basically the same torque control functions as the IM vector control with sensor, so either ASR operation or ACR operation is possible.
Page 321 6. Control Functions and Parameter Settings 6-9-1 Initializing the parameters Refer to the PM motor data sheet and set the parameters required for the PM motor control from the panel. All other settings must comply with section 6-8 vector control with sensor. Refer to the test operation section for the encoder settings (C50, C51).
Page 322 6. Control Functions and Parameter Settings 6-9-2 PM motor control speed control system The PM motor control speed control system is configured of the following types of blocks. Of these blocks, the speed control system and load torque observer section operate as the same functions as the IM vector control.
Page 323 6. Control Functions and Parameter Settings 6-9-3 Setting the PM motor circuit constants The resistance and inductance elements are set as the PM motor circuit constants. (1) Set the value of one phase converted into a 3-phase & Y connection. (2) For the inductance element, set the value including the leakage inductance.
Page 324 6. Control Functions and Parameter Settings 6-9-5 Torque limiter for PM motor The output torque is limited. Refer to section 6-8-3 for details on the A10-3 to 5 and A11-2, 3 settings. Parameter No. Parameter B13-8 Linear torque limit B13-9 With the PM motor, the weak field voltage range is narrow, and the voltage drop is large because of the armature's reaction.
Page 325 6. Control Functions and Parameter Settings 6-9-6 Setting the weak field current pattern for the IPM motor With the IPM (interior magnet type) PM motor with permanent magnet embedded in the iron core, the inductance has reverse salient-pole properties as indicated with L <L .
Page 326 6. Control Functions and Parameter Settings 6-9-7 Setting the torque command and Iq current command conversion coefficient for the IPM motor The relational expression of the torque (Trq) and d, q axis Trq = 100% current (Id, Iq) which the IPM motor uses to generate the reactance torque from the weak field current is shown below.
Page 327 6. Control Functions and Parameter Settings 6-9-8 Operation of weak field in IPM motor constant output range If the PM motor's speed increases, the terminal voltage increases, the inverter's maximum output voltage is reached, and the voltage is saturated. To prevent this voltage saturation, voltage saturation prevention control which automatically passes a weak field current (with reverse polarity of magnet’s field flux) to suppress the terminal voltage is applied.
Page 328: Operating The Auxiliary Drive Motor
6. Control Functions and Parameter Settings 6-10 Operating the auxiliary drive motor With the VT240S, a main drive motor operated with the C30-0:f0 control mode and an auxiliary drive motor operated with V/f control can be run by switching the internal control using the external sequence input AUXDV (auxiliary drive selection) and AUXSW0 and AUXSW1 (auxiliary drive No.
Page 329 6. Control Functions and Parameter Settings 6-10-2 Switching control between auxiliary drive motors The VT240S has four auxiliary drive operation control parameters No. 0 to 3. No. 0 is valid in the default state. The auxiliary drive number is switched with the external sequence input AUXSW0 and AUXSW1. The inverter must be stopped when switching.
Page 330 6. Control Functions and Parameter Settings 6-10-3 Auxiliary drive motor control related parameters The dedicated parameters for auxiliary drive motor control are shown below. Dedicated parameters for auxiliary drive motor (When auxiliary drive No. is set to 0) Parameter B20-0 to 5 Output rating (Auxiliary drive 0) B20-6, 7 Start/Stop frequency (Auxiliary drive 0)
Page 331: Built-In Plc Function
6. Control Functions and Parameter Settings 6-11 Built-in PLC Function The VT240S has a built-in PLC function. The sequence can be input/output and the analog signals can be input/output with this function. The built-in PLC function has the following features. •...
Page 332 6. Control Functions and Parameter Settings The built-in PLC reads the commands from the command bank. The command is then interpreted by the interpreter section, and then executed. Each command is operated using a 32-bit general-purpose accumulator and 16t-bit width memory space. Some commands are handled as 16 bits, and some are expanded to 32 bits and handled.
Page 333 6. Control Functions and Parameter Settings 6-11-3 Memory space The memory space used with the built-in PLC is shown below. The memory No. is indicated with a hexadecimal. Memory Name Details Unit Read/ write External analog input 1 Reads input value from AI0 1000h=100% Read External analog input 2...
Page 334 6. Control Functions and Parameter Settings * The external analog input is a full scale 100% when the gain is 1.0. * The internal analog output unit differs according to the set parameter. However, it is 100% at the maximum or rated display value explained in C13. 10V = 100% conversion applies to the OLT monitor and heat sink temperature.
Page 335 6. Control Functions and Parameter Settings 6-11-4 Commands The commands used with the built-in PLC are a 4-digit value. The commands can be input to the built-in PLC by inputting a Command No. Memory No. 4-digit value in the U20 to U67 parameters. The built-in PLC follows the command No.
Page 336 6. Control Functions and Parameter Settings Expression Command Details No. of steps indication Count up when input [64] is not 0. Input : 64 If counter [65] is higher than level [66], then output Counter : 65 TIMER1 [67]=1 Level : 66 If input [64] is 0, and reset counter [65] Output : 67...
Page 337 6. Control Functions and Parameter Settings 6-11-5 Usage examples Examples of using the built-in PLC are shown below. (1) Operation interlock Specifications) The operation command (RUN) is interlocked with the external sequence input (PSI) Details) 1) Input the run command to PSI1 2) Input the interlock signal to PSI2 3) Output the PSI1 and PSI2 AND signal to PLC1 4) Use PL0 as the RUN command...
Page 338: Explanation Of Standard Serial And Modbus Communication
6. Control Functions and Parameter Settings 6-12 Explanation of standard serial and Modbus communication The VT240S is equipped with a serial transmission function using RS485 as a standard. The inverter can be controlled with a host computer using this function. Either the Modbus network with Modbus protocol or the VT240S series original communication protocol standard serial communication can be selected with the parameters.
Page 339 6. Control Functions and Parameter Settings When connecting several VT240S units, connect two wires to each TB3 terminal, and couple the VT240S units. An example of the connection is shown below. • Connecting the host computer and VT240S (connecting several units) Host computer VT240S unit VT240S unit...
Page 340 6. Control Functions and Parameter Settings 6-12-2 Communication specifications Item Specification Connection method RS485, 2-wire type Transmission distance Total extension distance: 150m Baud rate Select from 4800, 9600, 14400, 19200, 38400bps Transmission method Start-stop synchronization, half-duplex communication Frame configuration Start : 1 bit Data : 8 bits Stop...
Page 341 6. Control Functions and Parameter Settings Communication with the set communication method is now possible. An excerpt of the parameter C26 setting details is given below. Parameter Unit Default Min. Max. Function C26 – Standard serial transmission setting 0 Function selection 0: Standard serial 1: MODBUS The parameters with a mark below can be...
Page 342 6. Control Functions and Parameter Settings 6-12-4-a. Setting the standard serial transmission function (1) When executing setting data write (FW) from the host computer and operating, make sure that the sequence command CFS is ON, and that the various setting input point selection C02 is fixed to serial.
Page 343 6. Control Functions and Parameter Settings 6-12-4-b. Transmission procedure The VT240S constantly waits for a command from the host computer. When the VT240S correctly receives a command from the host computer, it always returns a response as shown in Fig. 4.1. Host computer VT240S Command...
Page 344 6. Control Functions and Parameter Settings (3) The check sum is always added to the response packet. The check sum can be omitted from the packet sent from the host computer, but the check sum is always added to the packet sent from the VT240S. (4) All transmission and reception data is 8-bit ASCII data.
Page 345 6. Control Functions and Parameter Settings 6-12-4-e. Creating a check sum (Example) & 28H 47H 30H 30H 46H 52H 30H 30H 30H 30H 26H Add all 24DHEX Convert low-order 1 Byte to ASCII The ASCII codes of the characters between "(" and "&" are added with hexadecimal, and the low-order byte of the obtained value is converted into an ASCII code and used for the check sum.
Page 346 6. Control Functions and Parameter Settings 6-12-4-f. Transmission commands Basic command format Data No. DATA (2 Byte) (4 Byte) Command list Host computer to VT240S Data No. DATA Function Nnnnnnn 000n Setting data write (7-digit decimal) 000n None Setting data read nn ·······...
Page 347 6. Control Functions and Parameter Settings 6-12-4-g. Setting data write (FW) Function : The setting data is written to the selected setting register when the sequence command CFS is ON and the various setting input point selection: C02 is set to serial fixed. The contents of the setting data are determined by the control mode selection (C30-0: f0) and data No.
Page 348 6. Control Functions and Parameter Settings 6-12-4-h. Setting data read (FR) Function : The setting value set with the FW command is read and returned. Command DATA. No (4-digit decimal data No. In this example, this is the "Torque setting" read command.) Refer to section 6-12-5-g.
Page 349 6. Control Functions and Parameter Settings 6-12-4-i. Sequence command write (CW) Function : A sequence command is issued to the VT240S. The data sent at this time is held by the internal sequence command register until it is rewritten. To validate this sequence command, the sequence command: COP must be ON.
Page 350 6. Control Functions and Parameter Settings 6-12-4-k. Block- A, B, C and U parameter write (DW) Function : The Block-A, B, C and U parameter data in the VT240S unit is changed. Note that the parameter change protection may be set with C26-1. Parameters which cannot be changed during operation, cannot be changed during operation.
Page 351 6. Control Functions and Parameter Settings 6-12-4-l. Block-A, B, C, U and D parameter read (DR) Function : The values of the block-A, B, C, U and D parameters in the VT240S are read. Command <For monitor data read> DATA. No (4-digit decimal data No.
Page 352 6. Control Functions and Parameter Settings 6-12-4-m. Fault history read (ER) Function : The fault history buffer of the VT240S is read. Command DATA No. Explanation 0 Latest fault history 0 Previous fault history DATA. No 0 2nd to last fault history 0 3rd to last fault history (4-digit decimal data No.
Page 353 6. Control Functions and Parameter Settings 6-12-4-n. List of transmission error codes The error codes added to the NK response in respect to a command from the host computer are shown below. Error code Error name Details A transmission error, such as parity error or overrun Transmission error error, was detected.
Page 354 6. Control Functions and Parameter Settings 6-12-4-o. Serial transmission sequence command Bit assignment table DATA No : 0 0 0 0 DATA1 Always 0 PICK PROG AUXDV IVLM IBDW DATA2 CPASS FRUN IPASS RRUN CSEL FJOG Always 0 RJOG BRAKE HOLD Always 0 DATA No : 0 0 0 1...
Page 355 6. Control Functions and Parameter Settings 6-12-5 Using Modbus communication The Modbus communication method is a single master/slave method. Only the master can start communication. The slave detects this communication, executes the designated function, and returns a response message. The master can communicate with the designated slave (station No.) and broadcast to all slaves.
Page 356 6. Control Functions and Parameter Settings 6-12-5-b. Modbus protocol The VT240S is compatible only with the Modbus compliant RTU mode. The communication protocol for the RTU mode is explained below. End/start Address Function Data End/start Silent interval of 3.5 8bit 8bit 8bit ×...
Page 357 6. Control Functions and Parameter Settings CAUTION In the command example, a space is inserted to delimit each function. Do not insert the spaces when actually inputting the command. In the above command, input [01030002000265CB], and send. 6-12-5-c. VT240S Modbus communication time chart The time chart for communication with the host computer is shown below.
Page 358 6. Control Functions and Parameter Settings An example of the exception response sent from VT240S is shown below. 01 83 02 C0F1 (Response: Replies that illegal data was accessed) CRC (Calculated on the INV side and automatically set.) Exception response code (illegal data access) Function (bit 7 turns ON) Addr (slave side station No.) CAUTION...
Page 359 6. Control Functions and Parameter Settings 6-12-5-f. List of Modbus registers and setting examples The details of each function and examples of setting the commands are given in the following section. ♦ Function 01h (Read Coil Status) Details of function Start register designation Number of registers 0000h : Sequence command 1...
Page 360 6. Control Functions and Parameter Settings ♦ Function 02h (Read input Status) Details of function Start register designation Number of registers 0040h Sequence status read 000h : Fixed (Sequence data 64 bit) Function : The sequence status is read. Refer to the bit assignment table on the next page for the layout of bits in the read command. Setting example: Modbus command setting example 01 02 0000 0040 79FA...
Page 361 6. Control Functions and Parameter Settings Serial transmission sequence status bit assignment table Sequence status 0 IDET SPD1 SPD2 RDY2 RDY1 Sequence status 1 LLMT ULMT DVER MBRK EX FAN Doff-end AUXDV RDELAY INT FAN Always 0 Sequence status 2 PLC7 MPOLE PLC6...
Page 362 6. Control Functions and Parameter Settings ♦ Function 03h (Read Holding Register) Number of Control mode Details of function Start register Unit Min. value Max. value registers 0002h V/f control Frequency setting 0000h -440.00 440.00 (32-bit data) Following C26-7 setting 0002h Speed setting 0000h...
Page 363 6. Control Functions and Parameter Settings Details of function Start register Number of registers Latest fault history 0063h 0010h Previous fault history 0073h 0010h 2nd to last fault history 0083h 0010h 3rd to last fault history 0093h 0010h Fault history buffer Latest minor fault history 00A3h 0010h...
Page 364 6. Control Functions and Parameter Settings ♦ Function 0Fh (Force Multiple Coils) Details of function Start register command Number of registers No. of bytes Sequence command 0000h : Sequence command 1 0020h 0004h (input) write 0020h : Sequence command 2 (Sequence data 32 bit) Function : The sequence command is written.
Page 365 6. Control Functions and Parameter Settings ♦ Function 10h (Preset Multiple Registers) Control Start Number of Number Details of function Unit Max. value Min. value mode register registers of bytes 0002h V/f control Frequency setting 0000h -440.00 440.00 (32-bit data) Following C26-7 setting 0002h...
Page 366 6. Control Functions and Parameter Settings Start register Number of Number Details of function designation registers of bytes 0003h The parameter No. and parameter Parameter write 03Ebh (48 bit-data) value are set in the data section. Function : A value is written to the parameter. This function carries out the same process as the DW command in the standard serial transmission function.
Page 367 6. Control Functions and Parameter Settings ♦ Function 17h (Read/Write Multiple Registers) Details of function Start register Number of registers No. of bytes 0002h Read parameter value 03E9h – (32-bit data) Read parameter No. 0001h 03E7h setting (16-bit data) Function : The parameter contents are read. This process carries out the same process as the DR command in the standard serial transmission function.
Page 368: Chapter 7 Options
7. Options Chapter 7 Options 7-1 Outline of options The VT240S Series options include those shown below. This chapter will focus on the stand-alone options and main circuit wiring devices. Stand-alone option DB unit Main circuit wiring device Power Noise filter supply MCCB or Inverter unit...
Page 369 7. Options Table 7-1-a (continued) Built-in PCB options (These are built-in type options mounted on the basic PCB of the inverter.) Indication of Type rating Item (Instruction Function Class nameplate manual) (Note 1) Speed detection 1 V24-DN1 This is a speed detection PCB for the complimentary output (complimentary (ST-3480) type encoder.
Page 370 7. Options Table 7-1-b Main circuit wiring device ratings and stand-alone option types (Normal-duty) Fuse/MCCB/MC Inverter DB unit Rated current (A) Noise filter type (Refer to 7-3) (Note 2) 0P7L V21-ACL-LA4T V24-DCL-LA6 3SUP-HQ10-ER-6 1P5L V21-ACL-LA8T V24-DCL-LA10 3SUP-HQ10-ER-6 2P2L V21-ACL-LA12T V24-DCL-LA15 3SUP-HQ20-ER-6 4P0L V21-ACL-LA18T...
Page 371 7. Options Table 7-1-b Main circuit wiring device ratings and stand-alone option types (Heavy-duty) Fuse/MCCB/MC Inverter DB unit Rated current (A) Noise filter type (Refer to 7-3) (Note 2) 0P7L V21-ACL-LA4T V24-DCL-LA6 3SUP-HQ10-ER-6 1P5L V21-ACL-LA4T V24-DCL-LA10 3SUP-HQ10-ER-6 2P2L V21-ACL-LA8T V24-DCL-LA15 3SUP-HQ20-ER-6 4P0L V21-ACL-LA12T...
Page 372: Built-In Pcb Option
7. Options 7-2 Built-in PCB option This is a built-in type option mounted on the VT240S control PCB. One type can be selected from option I, option II and option III. Up to three types of PCB options can be mounted at once.
Page 373 7. Options Operation panel Notes for moving Operation panel folder About 70ﾟ folder Do not raise the operation panel folder with an angle of larger than 70ﾟ, so that the folder should not be fallen off. If the operation panel folder should be taken off, push the hinges of the folder lightly and insert them into the original positions.
Page 374: Dynamic Braking (Db) Option
7. Options 7-3 Dynamic braking (DB) option The VT240S has a dynamic braking option. Note) When Unit built-in DBR is used, set the DBR overload protection parameter (C22-4) to less than the actual used %ED (Max. 10.0). When the external DB unit is used, set C22-4 to 0.0. 7-3-1 Built-in DB circuit 018L/022H and smaller The DB transistor is built in as a standard for the 018L/022H and smaller capacities.
Page 375 7. Options (2) External DB resistor If the braking torque is insufficient with the above built-in resistor, provide an external DB resistor with a circuit as shown in Fig. 7-3-1-b. When using an external DB resistor, remove the built-in DB resistor.
Page 376 7. Options 7-3-2 External DB unit 022L/030H and higher Use an external DB unit when carrying out dynamic braking with the 022L/030H and larger unit. Applicable DB unit ,the resistance value and usable minimum resistance value to obtain a 100% braking torque is shown in Table 7-3-2.
Page 377 7. Options Table 7-3-2 External DB unit Heavy-duty Normal-duty 100% 100% Inverter Min. Min. braking braking Motor Motor type resistance resistance capacity DB unit type resistance capacity DB unit type resistance VT240S- value value (kW) value (kW) value (Ω) (Ω) (Ω) (Ω) 022L...
Page 378: Acl And Dcl
7. Options 7-4 ACL and DCL Select the ACL and DCL according to the Table 7-1-b inverter type. Refer to Table 7-4-a, Table 7-4-b and Table 7-4-c for the outline dimension. The ACL is equivalent to a 3% impedance of the inverter capacity. N terminal 4-øG installation hole 4-øG installation hole...
Page 379 7. Options Table 7-4-a (continued) Outline dimensions of ACL (Outline : Fig. 7-4-a) INV type Dimensions (mm) Weight Shape VT240S - (kg) class 0P7H – – 1P5H – – 2P2H – – 4P0H – – 5P5H – – 7P5H – –...
Page 380 7. Options Fig. 7-4-c Outline of DCL 7 – 13...
Page 381 7. Options Terminal detail drawing Caution nameplate Specifications nameplate 2-M10 Eyebolts 4-ø10 Mounting holes M6 Earth 7 – 14...
Page 382 7. Options Table 7-4-c Outline dimensions of DCL: Small to medium size capacities (Outline: Fig. 7-4-c) Dimensions (mm) INV type Weight Shape VT240S- (kg) class 0P7L 104 130 – – 1P5L 109 135 – – 2P2L – – 4P0L 119 135 –...
Page 383 7. Options Table 7-4-c Outline dimensions of DCL : Large capacity (Outline: Fig. 7-4-c) Dimensions (mm) INV type Weight Shape VT240S- (kg) class 055L – 120 M12 254 – 075L 120 140 303 100 – 135 M12 240 – 090L 120 140 321 100 –...
Page 384: Emi Filter
7. Options 7-5 EMI filter An EMI filter is prepared for the VT240S. Select the NF from Table 7-1-b according to inverter type. 7-5-1 030H and smaller, 5P5L and smaller The EMI filter can be built into the unit as an option. The leakage current is 60mA or less at 480V/50Hz, and 70mA or less at 240V/50Hz.
Page 385: Chapter 8 Maintenance And Inspection
8. Maintenance and Inspection Chapter 8 Maintenance and Inspection DANGER • Always wait at least 20 minutes after turning the input power OFF before starting inspections. Wait at least 20 minutes after turning the input power OFF before starting work. Make sure that the displays on the operation panel have gone out before removing the front cover.
Page 386 8. Maintenance and Inspection (2) Periodic inspections Table 8-1-b Inspection item Inspection details and work Check the state of dirt and dust on the vent or heatsink, and clean if VT240S appearance necessary. Check the state of dirt and dust on the PCB and inside the equipment, and VT240S interior clean if necessary.
Page 387 8. Maintenance and Inspection VT240S main circuit terminals Short-circuit in a batch ＋－ * Terminals L- and B may not be provided depending 500VDC megger on the capacity. Fig. 8-1 Main circuit megger test • Testing the control circuit's insulation Test the control circuit's insulation with the tester's high-resistance range.
Page 388: Measuring Devices
8. Maintenance and Inspection 8-2 Measuring devices As the voltage and current on the input and output sides include high harmonics, the measured value will differ according to the measuring device. When measuring with a device for commercial frequencies, measure with the following circuits and noted measuring devices. Use of a digital power meter is recommended for performing a highly accurate measurement.
Page 389: Protective Functions
8. Maintenance and Inspection 8-3 Protective functions The VT240S has the protective functions shown in Table 8-3. Table 8-3 Protective function Name Function Overcurrent trip The output is cut off and the inverter stops if the instantaneous value of the (OC) output current exceeds the preset value.
Page 390: Troubleshooting With Fault Display
8. Maintenance and Inspection 8-4 Troubleshooting with fault display The countermeasures for when the inverter stops with a fault displayed are shown in Table 8-4. Table 8-4 Troubleshooting Display symbol Name Causes and countermeasures 1. The sequence input EMS has been activated. Check the signal wiring.
Page 391 8. Maintenance and Inspection Display symbol Name Causes and countermeasures 1. Increase the acceleration time setting (A01-0). 2. The speed or frequency setting may have increased suddenly before the flux was established. Adjust (A01-0). When using V/F control, this state may be avoided by using the external brake control (B46).
Page 392 8. Maintenance and Inspection Display symbol Name Causes and countermeasures 1. Increase the acceleration time setting (A01-0). 2. Increase the deceleration time setting (A01-1). Overcurrent 3. A short circuit or rapid fluctuation of the load may have during automatic occurred. tuning OC-9 4.
Page 393 8. Maintenance and Inspection Display symbol Name Causes and countermeasures 1. The power voltage may have dropped, and input phase failure may have occurred, or an instantaneous power failure may have occurred. Check the power supply system and correct if necessary. 2.
Page 394 8. Maintenance and Inspection Display symbol Name Causes and countermeasures 1. Indicates that an encoder initialization error occurred during PM motor control. 1) A, B, Z phase + U, V, W phase signals Indicates that the UVW signal is abnormal. Check the encoder selection (C51-0) and encoder wiring.
Page 395 8. Maintenance and Inspection Display symbol Name Causes and countermeasures 1. n = 1 The motor may not be connected correctly. Check the connection. The B00 and B01 parameters may not be set correctly. Check the parameter settings. 2. n = 2 The B00 and B01 parameters may not be set correctly.
Page 396 8. Maintenance and Inspection Display symbol Name Causes and countermeasures 1. The motor may have overloaded. Reduce the load or increase the motor and inverter capacity. 2. If this occurs at a low speed, avoid continuous operation at Motor overload a low speed, or decrease boost (A02-2) and brake voltage (A03-0).
Page 397 8. Maintenance and Inspection Display symbol Name Causes and countermeasures 1. The output current did not reached the current detection value (C15-1) when releasing the external brake. External brake Check that the settings are correct, or that the motor wiring IDET error connections are correct.
Page 398 8. Maintenance and Inspection Display symbol Name Causes and countermeasures 1. There may be a phase failure in the AC input power supply. Investigate the AC input power supply, and eliminate the phase failure. 2. The AC input wiring may be disconnected. Input phase Check the tightening, etc., of the AC input wire.
Page 399: Troubleshooting With No Fault Display
8. Maintenance and Inspection 8-5 Troubleshooting with no fault display The causes and countermeasures for errors with no fault display are shown in Table 8-5. Table 8-5 Troubleshooting Phenomenon Causes and countermeasures Motor does not run 1. The input/output cable may be incorrectly wired, the motor may be incorrectly connected, a phase failure may have occurred or the power voltage may have dropped.
Page 400 8. Maintenance and Inspection Phenomenon Causes and countermeasures Motor acceleration/ 1. The motor acceleration/deceleration time setting (A01-0, 1) may be too low. deceleration is not Increase the acceleration/deceleration time. smooth 2. Reduce the manual torque boost voltage (A02-2). If automatic torque boost (A02-1) is selected, adjust A02-5 and A02-6.
Page 401: Chapter 9 Compatible Standards
9. Compatible Standards Chapter 9 Compatible Standards 9-1 UL/cUL Standards The VT240S complies with UL508C and CSA C22.2 No.14. Observe the following matters when using the inverter as a UL/cUL Standard compatible product. Use the inverter in an installation environment which does not exceed the set maximum ambient temperature.
Page 402 9. Compatible Standards Table 9-1-a Terminals, Applicable Wire Sizes and Tightening Torque (For Normal-duty) Tightening L1, L2, L3, U, V, W Ground Terminal torque Inverter type screw Terminal Terminal VT240S- size connector connector N･m lb-in Part No. Part No. 0P7L 10.6 R2-4 R2-4...
Page 403 9. Compatible Standards Table 9-1-b Terminals, Applicable Wire Sizes and Tightening Torque (For Heavy-duty) Tightening L1, L2, L3, U, V, W Ground Terminal Inverter type torque screw Terminal Terminal VT240S- size connector connector N･m lb-in Patt No. Part No. 0P7L 10.6 R2-4 R2-4...
Page 404 9. Compatible Standards Table 9-1-c Input protection fuse, MCCB rated current Fuse/MCCB rated current (A) Inverter type Applicable protection circuit VT240S- Normal-duty Heavy-duty 0P7L 1P5L UL Certified fuse 2P2L Voltage rating 300V Class T Fast Acting 4P0L 5P5L Voltage rating 600V Class J Fast Acting 7P5L 011L 015L...
Page 405: Ce Marking
9. Compatible Standards 9-2 CE Marking The VT240S-0P7L to 090L and 0P7H to 475H capacities comply with the EMC Directives and Low Voltage Directives. Observe the following matters when using the inverter as an EMC Directive compliant product. 9-2-1 EMC Instruction of preface This Instruction details how to meet the EMC directives (89/336/EEC) with VT240S.
Page 406 9. Compatible Standards 9-2-3 Input filters and their connections WARNING 1. Electrical shock hazards. The input filter terminals must be fully covered with appropriate insulation material to avoid electrical shocks. 2. Electrical shock hazards. The input filters must be fully earthed. Otherwise, there may be a risk of electrical shocks and the effectiveness of filters will be impaired.
Page 407 9. Compatible Standards AC Supply EMI FILTER Earth Screened or amoured motor cable Motor Inverter FRUN Screened cable ・ Screened cable Metal box Screened cable Screened cable Screened cable Fig.9-2-a Installation (Stand-alone) 9-2-5 Choosing and connecting control leads Control leads should be selected in accordance with the instructions in the drive's manual and should be screened if they are used for a speed setting circuitry, analogue signal circuitry for metering, or relay signal circuitry.
Page 408 9. Compatible Standards 9-2-6 Earthing method Earth the drive, motor and filter in such manner that the earthing cables are as short as possible. Select and install earthing cables in accordance with local requirements. It is recommendable to use low impedance earthing cables, i.e.
Page 409 9. Compatible Standards 9-2-9 Installation into a metal cabinet To clear the levels of the Residential, Commercial, Light Industrial Environments and the Industrial Environment for the drives up to 30kW, the following method of installation is required. (1) As shown in Fig. 9-2-b, an inverter unit is installed in the board of a metal cabinet. The attached shield grounded metal corresponding to EMC is attached in an inverter with a screw.
Page 410 9. Compatible Standards Metal Cabinet AC Supply FC×2 FC(1Tern) Screened or amoured power cable Built in the Earth Inverter unit Screened or amoured motor cable FC(1Tern) Motor Inverter VT240S-5P5H FC(1Tern) FRUN Screened cable FA/FC Screened cable Screened cable Metal box Screened cable Screened cable Fig.
Page 411 9. Compatible Standards Metal Cabinet AC Supply Screened or amoured power cable Earth Screened or amoured motor cable Motor Inverter VT240S-015H FRUN Screened cable FA/FC Screened cable Screened cable Metal box Screened cable Screened cable Fig. 9-2-d 9-2-10 Selecting and fitting of filters and ferrite cores for the installation 9-2-10-a Selecting the filter The following method of installation is required for compliance with the EMC Directives.
Page 412 9. Compatible Standards 9-2-10-b Required input filters to achieve EMC compliance with VT240S The following filters have been certified for EMC compliance for use with VT240S. Table 9-2-c Input filters for VT240S drives up to 045L Output Series Size current Filter type Ferrite core type 200V...
Page 413 9. Compatible Standards Table 9-2-e Input filters for VT240S drives In size 055L or larger Output Series Size current Filter type Ferrite core type 200V 055L 3SUP-HK250-ER-6 Heavy 075L 3SUP-HP500-ER-6 Duty 090L 3SUP-HP500-ER-6 200V 055L 3SUP-HP500-ER-6 Normal 075L 3SUP-HP500-ER-6 Duty 090L 3SUP-HP500-ER-6 *1 Under consideration...
Page 414 9. Compatible Standards 9-2-10-c Insulation test CAUTION If an insulation test is performed on a system incorporating VT240S and filters, do one of the following. • Remove the input filters from the system during the test. (For precautions for the drive, see Chapter 2.) •...
Page 415: Appendix 1 Type Description System
Appendix Appendix 1 Type Description System Standard specifications 200V Series VT240S-0P7L to 045L Item Specifications System 200V Series Type (VT240S- 0P7L 1P5L 2P2L 4P0L 5P5L 7P5L 011L 015L 018L 022L 030L 037L 045L Rated capacity [kVA] (Note 1) Max. continuous rated current [A] (Note 2) Max.
Page 416 Appendix 400V Series VT240S-0P7H to 055H Item Specifications System 400V Series Type (VT240S- 0P7H 1P5H 2P2H 4P0H 5P5H 7P5H 011H 015H 018H 022H 030H 037H 045H 055H Rated capacity [kVA] (Note 1) Max. continuous rated current [A] (Note 2) Max. applicable motor [kW] 0.75 18.5...
Page 417 Appendix 200V/400V Series VT240S-055L to 090L, -75H to 475H Item Specifications System 200V Series 400V Series Type (VT240S- 055L 075L 090L 075H 090H 110H 132H 160H 200H 250H 315H 400H 475H Rated capacity [kVA] (Note 1) Max. continuous rated current [A] (Note 2) Max.
Page 418 Appendix (Note 1) The output voltage indicates the output capacity [kVA] at 200V for the 200V series, and 400V for the 400V series. (Note 2) Indicates the total effective value including the higher harmonics. When using the normal-duty setting, the load rate must be limited to 80% to satisfy a life of five years at an annual average ambient temperature of 35°C.
Page 419 Appendix • For 400V series, heavy-duty setting Capacity 6kHz 8kHz 10kHz 12kHz 15kHz Derating 0P7H → → → 1P5H → → → 2P2H → → → 10k to 15kHz: 3%/1kHz 4P0H → → → 5P5H → → → 7P5H → →...
Page 420 Appendix (Note 7) The following conditions apply to the upper limit of the working ambient temperature when using the normal-duty setting. Output current (%) Ambient temperature (°C) (1) 5P5L If the ambient temperature exceeds 40°C, reduce the output current by 2% per 1°C. (2) 011L/5P5H (NF)/015H If the ambient temperature exceeds 40°C, reduce the output current by 0.5% per 1°C.
Page 421 Appendix Control specifications table Speed Vector control PM motor Sensor-less PM V/f control sensor-less with speed control with motor control vector control sensor (Note 1) sensor (Note 2) (Note 4) All digital control Control method Sine wave approximation PWM Mono-sound mode : 1 to 15KHz (0.1kHz increments) Transfer Soft sound mode : Average frequency 2.1 to 5kHz...
Page 422 Appendix Control specifications table (continued) Speed Vector control PM motor Sensor-less PM V/f control sensor-less with speed control with motor control vector control sensor (Note 1) sensor (Note 2) (Note 4) Stop method Deceleration stop in respect to run, emergency stop and inching, coast to stop selective Braking start frequency, randomly set between 0.1 and 60.0Hz...
Page 423 Appendix Control specifications table (continued) Speed Vector control PM motor Sensor-less PM V/f control sensor-less with speed control with motor control vector control sensor (Note 1) sensor (Note 2) (Note 4) Relay 1c contact: 1 point (programmable), relay 1a contact: 1 point (programmable), open collector: 3 points (programmable), PS03 is used as pulse train output Sequence output The programmable details can be changed between speed detection, pre-charging complete, reverse...
Page 424: Appendix 2 Outline Dimension Drawings
Appendix Appendix 2 Outline Dimension Drawings Fig. 1 Fig. 2 200V Series VT240S-0P7L to 045L, 400V Series VT240S-0P7H to 055H Type Dimensions (mm) Main Weight circuit Fig. (kg) 200V 400V terminal ød Series Series 0P7L 0P7H 1P5L 1P5H 2P2L 2P2H 4P0L 4P0H 5P5L...
Page 425 Appendix Fig. 3 200V Series VT240S-055L to 090L, 400V Series VT240S-075H to 475H Type Dimensions (mm) Main Weight circuit Fig. (kg) 200V 400V terminal ød Series Series 075H 090H 055L (60) 110H 132H (65) 075L (90) 160H 1020 200H (100) 090L 250H 1300...
Page 426: Appendix 3. Fault Codes
Appendix Appendix 3. Fault Codes Code Display Fault Description Retry No fault recorded. No fault × Emergency Indicates that sequence signal EMS has been input in C00-4 = 2 (fault × (EMS) stop output at emergency stop) mode. Power module fault n: sub-code 1: during stop 2: during operation at...
Page 427 Appendix Code Display Fault Description Retry The Drive has sensed grounded conditions on the output. n: sub-code 1: during stop 2: during operation at the set speed (GRD. n) Ground 3: during acceleration 4: during deceleration 5: during braking 6: during ACR 7: during excitation 9: during automatic tuning There has been an error in communications through the I/O port.
Page 428: Appendix 4. Display Messages
Appendix Appendix 4. Display Messages Display Name Explanation • Indicates that the motor is stopped. • Indicates that the motor is running. • Occurs when a parameter, which cannot be changed during operation, was changed during operation. • Indicates that the parameters are locked. •...
Page 429: Appendix 5. Segment Led Display
Appendix Appendix 5. Segment LED Display (1) Numeric Display Numerics (2) Alphabet Display B (b) D (d) Alphabet Display M (m) N (n) Q (q) R (r) T (t) Alphabet Display 「」 V (v) – Alphabet (Brackets) A – 15...
Page 430: Revision History
Revision history Revision history Revision Page Revision details version version 9457.0 9458.0 R – 1...
Page 431 Phone: 3-79554646 Phone: 35-258258〜262 Phone: 21-50483681 Facsimile: 3-79546466 Facsimile: 35-221388 Facsimile: 21-50483035 Singapore MEIDEN ZHENGZHOU MEIDEN ASIA PTE. LTD. The United Kingdom ELECTRIC CO.,LTD. 5, Jalan Pesawat, MEIDEN EUROPE LTD. No.87 Hehuan Street, Jurong Industrial Estate, Zhengzhou Hi-Tech Industries NYK Complex,...

MEIDEN THYFREC-VT240S Instruction Manual

Chapter 1 Delivery Inspection and Storage

Chapter 2 Installation and Wiring

Chapter 3 Test Operation and Adjustment

Chapter 4 Operation Panel

Chapter 5 Control Input/Output

Chapter 6 Control Functions and Parameter Settings

Chapter 7 Options

Chapter 8 Maintenance and Inspection

Chapter 9 Compatible Standards

Appendix 1 Type Description System

Appendix 2 Outline Dimension Drawings

Appendix 3. Fault Codes

Appendix 4. Display Messages

Appendix 5. Segment LED Display

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