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Selec VFD-S Series User Manual

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Summary of Contents for Selec VFD-S Series

  • Page 1 VFD-S Series...
  • Page 2 The VFD-S series of drives focuses on providing you with the best levels of scalar control of asynchronous AC motors. Through the adoption of the most advanced PWM technologies driven through one of the most powerful DSP control systems, this drive is armed with optimized functions and flexibility to drive a myriad of applications with stable performances as per your requirements.
  • Page 3 User Manual Contents CONTENTS...

  • Page 4: Table Of Contents

    User Manual Contents P8- Simple PLC and multispeed options P9- Protection parameters P10- Fault history P11- Communication parameters P12- Enhanced parameters 6-2 Detailed explanation of functional parameters- P0- Basic parameters P1- Keypad parameters P2- Start and stop parameters P3- Motor parameters P4- Scalar control parameters P5- Input function parameters P6- Output function terminals...

  • Page 5: List Of Figures And Tables

    User Manual Contents List of figures and tables Figure Name Page No. Sr.No. Fig.2.1 Separation while installation Fig.3.1 Connection method for assorted devices Fig.3.2 Standard wiring diagram Fig.3.3 Eathing method Fig.4.1 Illustration of keyboard Fig.4.2 Illustration of keyboard operations Fig.6.1 Acceleration and deceleration Fig.6.2 Direct start and DC brake assisted start...
  • Page 6 User Manual 1. Safety Precautions...
  • Page 7 User Manual Wall Mounted Vertical Installation Parallel Operation Fig.2.1 Separation While Installation...
  • Page 8 User Manual 3-1 Connection methods for assorted devices Three-phase power source (B1) (B2) Braking Resistor Fig.3.1 Connection Method for Assorted Devices Electromagnetic Braking Resistor Name Fuse AC reactor Filter Filter contactor Appropriate model it’s applied for the it’s used to control It’s used to it’s used to it’s applicable when the...

  • Page 9: Main Circuit

    User Manual 3-2 Standard Wiring Diagram for H1 50/60 Hz. Main Circuit Grounding of Power Motor Grounding Measurments Control Circuit Forward Rotation X1 Input terminal 1 Reverse Rotation X2 Input terminal 2 Forward Jog X3 Input terminal 3 Default setting: Running External Fault I/P X4 Input terminal 4...
  • Page 10 User Manual 3-3 Description of Terminals Terminal symbol (code) Functional descriptions B1, B2 Terminals for braking resistor (Optional) Terminal of ground (Earth terminal) For safety's sake, please connect wires according to the regulations of National Electrical Code while proceeding wiring. 3-3-1 Connection of input power terminals 3-3-3 Braking resistors and braking unit 3-3-4 Earth terminal PE...
  • Page 11 User Manual (a) Correct (b) Wrong method (c) Wrong method Fig.3.3 Eathing method 3-4 Explanations of control loop terminals Symbol Description/ Default setting Items Terminal name Positive terminal for analog output Analog output signal positive terminal (0 - 10V / 0-20mA) signal generation Negative terminal for analog output Analog output signal negative terminal (0 - 10V / 0-20mA) signal generation...
  • Page 12 User Manual 4. Keyboard and panel 4.1 Illustration of keypad Fig.4.1 Illustration of Keyboard 4.2 Units LEDs descriptions Function Denotes that the value being shown is a voltage Denotes that the value being shown is a current Denotes that the value being shown is a frequency 4.3 Function LEDs descriptions Function Denotes that the drive is in RUN operation...
  • Page 13 User Manual 4.5 Illustrations of keyboard operations Fig.4.2 Illustration of keyboard operations 5. RUNNING...
  • Page 14 User Manual 5-1-3 Quick commissioning Start Connection as per wiring diagram Power ON Set Motor Parameters as per nameplate data in P3 group Select Frequency source in P0-01 Select Control mode in P0-02 Set Acc and Dec times in P0-04 and P0-05 Select start and stop modes in P2-00 and P2-05 Check protection levels in P9 group...
  • Page 15 User Manual 6. SPECIFICATIONS OF FUNCTIONAL PARAMETERS 6. 1 Functional parameters table For ease of programming, the settings have been classified into basic and advanced as mentioned in the table below. “○”: It indicates that the specified parameter can be varied irrespective of the drive’s run-state “●”: It indicates that specified code parameters cannot be changed or modified while the drive is running.
  • Page 16 User Manual P1-KEYPAD PARAMETERS Basic Default Modifi- Modbus Description Settings and Range Setting code Value cation Address 0: Setting frequency 1: Output frequency 2: Output current; 3: Bus voltage 4: Rotational speed of motor 5: IGBT Temperature 6: Output voltage Default startup 7: Output power P1-00...
  • Page 17 User Manual Basic Default Modifi- Modbus Description Settings and Range Setting code Value cation Address Braking time P2-04 0.0-50.0 s 40204 before starting 0: Coast to stop Stop mode 1: Ramp to stop P2-05 40205 2: DC braking stop Lower limiting frequency Start frequency (P0-10)-Upper limiting P2-06...
  • Page 18 User Manual P4 – SCALAR CONTROL PARAMETERS Basic Default Modifi- Modbus Description Settings and Range Setting code Value cation Address 0: General V/f 1: 1.5 Power V/f V/f curve 2: 1.7 Power V/f P4-00 40400 setting 3: 2 Power V/f 4: Multipoint V/f V/f Intermediate frequency 1...
  • Page 19 User Manual Basic Default Modifi- Modbus Description Settings and Range Setting code Value cation Address P5-06 Lower limit of AI 0.0-100.0 % 0.5 % 40506 Corresponding P5-07 setting of AI 0.0-100.0 % 0.0 % 40507 lower limit Upper limit of AI Lower limit of AI (P5-06) –...
  • Page 20 User Manual Basic Default Modifi- Modbus Description Settings and Range Setting code Value cation Address Stop at power on: 0: Two-wire control mode 1 1: Two-wire control mode 2 2: Three-wire control mode 1 3: Three-wire control mode 2 Terminal control P5-29 40529 mode...

  • Page 21: P8- Simple Plc And Multispeed Options

    User Manual Basic Default Modifi- Modbus Description Settings and Range Setting code Value cation Address P7-03 PI Set values P7-02 to P7-01 40703 P7-04 Feedback source 0: AI 40704 PI output 0: Positive characteristics P7-05 40705 1: Negative options Proportional gain P7-06 0.0 to 10.0 40706...

  • Page 22: P9- Protection Parameters

    User Manual Basic Default Modifi- Modbus Description Settings and Range Setting code Value cation Address Third phase time P8-11 0.0-6400.0 40811 Fourth phase time P8-12 0.0-6400.0 40812 Fifth phase time P8-13 0.0-6400.0 40813 Sixth phase time P8-14 0.0-6400.0 40814 Seventh phase time P8-15 0.0-6400.0 40815...
  • Page 23 User Manual Basic Default Modifi- Modbus Description Settings and Range Setting code Value cation Address Undervoltage P9-14 0.1 to 3600.0 s 3.0 s 40914 trip time Undervoltage 0: Disabled; 1: Enabled P9-15 40915 pre-alarm enable Undervoltage 1P: (P9-07)-240 V 1P : 200 V P9-16 pre-alarm 40916...

  • Page 24: P10- Fault History

    User Manual P10- FAULT HISTORY Basic Default Modifi- Modbus Description Settings and Range Setting code Value cation Address Previous fault × P10-00 0-20 41000 code 2nd to previous × P10-01 0-20 41001 fault code 3rd to previous × P10-02 0-20 41002 fault code Previous fault...
  • Page 25 User Manual Basic Default Modifi- Modbus Description Settings and Range Setting code Value cation Address Jog Acc. Time P12-06 0.1 – 3600.0 s 5.0 s 41206 Jog Dec. Time P12-07 0.1 – 3600.0 s 5.0 s 41207 Lower Limit Frequency Hopping (P0-10) to Hopping Frequency P12-08...

  • Page 26: Detailed Explanation Of Functional Parameters

    User Manual 6-2 Detailed Explanation of Functional Parameters P0 : Basic parameters 0: Display Only Basic Parameters 1: Display All Settable Parameters Parameter setting P0-00 2: Disable Parameter Settings mode 3: Factory Reset For ease of use, the entire parameter list has been divided into advanced and basic functions. When the setting is 0. only these basic parameters are visible and available for editing.
  • Page 27 User Manual P0-04 Acc. time 0 0.1 - 3600.0 s 10.0 s P0-05 Dec. time 0 0.1 - 3600.0 s 10.0 s Acceleration and Deceleration times are defined as the time the drive will take to accelerate from 0.0Hz to Max Running Frequency (P0-08) and from Max Running Frequency (P0-08) to 0.0 Hz respectively.

  • Page 28: P1- Keypad Parameters

    User Manual Jog Frequency 0.0Hz - Upper limiting Frequency (P0-09) P0-11 5.0 Hz This setting determines the set frequency in case of jog operation. This operation can be activated either through the keypad, terminals, or communication. Jogging refers to the controlled action of the drive used as a fine adjuster. The action is valid till the jogging signal is valid through the relevant control source.
  • Page 29 Parameters This option allows user to selec one of the parameters provoided in options to display when the drive is in running condition. At an initial condition, if the display is showing any page then after pressing the run key the display will return back to the selected option and will show that parameter over the display.

  • Page 30: P2- Start And Stop Parameters

    User Manual P2- Start and Stop Parameters 0: Direct start; 1: DC Braking Start P2-00 Start mode Start signal Start signal Time Output Freq. Time Output Freq. Set Freq. Set Freq. Starting Freq. Starting Time Freq. Starting Freq. DC Brake retention Starting Freq.
  • Page 31 User Manual Stop signal Time Output voltage Actual time taken by motor to stop will depend Motor speed on the load Time Coast to Stop Stop signal Time Output Freq. Max Freq. Running Freq. Time Act Dec Time Set Dec Time Ramp to Stop Stop signal Time...
  • Page 32 User Manual Start Frequency Lower Limiting Frequency (P0-10) P2-06 2.0 Hz of DC Braking – Upper Limiting Frequency (P0-09) This parameter determines the frequency at which the ramp deceleration operation ends and DC braking operation starts. Braking current for P2-07 0 - 150 % 50 % stopping...

  • Page 33: P3- Motor Parameters

    User Manual Set frequency Lower limit of frequency O/P frequency Lower limit of frequency Hibernation Hibernation time delay Fig.6.5 Hibernation P3- Motor Parameters Rated frequency F3 (P4-05) – 400.0 Hz P3-00 50.0 Hz Rated Voltage Depends on Model Depends on Model P3-01 Depends on Model Depends on Model...

  • Page 34: P4- Scalar Control Parameters

    User Manual P4- Scalar Control Parameters 0: General V/f 1: 1.5 Power V/f V/f curve setting 2: 1.7 Power V/f P4-00 3: 2 Power V/f 4: Multipoint V/f The V/f curve setting determines the profile of the V/f ratio that will be followed in the scalar operation of the drive. In other words, it defines the nature of variation of the output voltage to the output frequency.
  • Page 35 User Manual V rated Freq F rated Fig.6.8 Multipoint V/f Torque boost P4-07 0 - 25.0 % 7.5 % This parameter compensates for output voltage when the converter is running in the low-frequency region, to improve the low- frequency torque which is usually a drawback in scalar control schemes. However, if the setting of torque boost is too high, the motor could overheat or experience an overcurrent condition.
  • Page 36 User Manual 0: Disable 1: Always Enable P4-08 AVR Function 2: Only Enable During Deceleration The AVR function ensures that the output voltage of the drive remains stable even in cases where the system might experience in the grid voltage. Energy-efficient 0: Disable P4-09...

  • Page 37: P5- Input Function Parameters

    User Manual P5- Input Function Parameters P5-00 Lower Limit of POT 0.0 – 100.0 % 0.5 % Corresponding P5-01 Setting of POT 0.0 – 100.0 % 0.0 % Lower Limit Lower limit of POT (P5-00) – 100.0 % Upper Limit of POT P5-02 100.0 % Corresponding...
  • Page 38 User Manual Corresponding parameter P5-03 P5-01 P5-00 P5-02 Fig.6.11 AI With and Without Filtering P5-06 Lower Limit of AI 0.0 – 100.0 % 0.5 % Corresponding Setting P5-07 0.0 – 100.0 % 0.0 % of AI Lower Limit Lower limit of AI (P5-06) – 100.0% Upper Limit of AI P5-08 100 %...
  • Page 39 User Manual Description Function Value The input is assigned no function. Use this to check your wiring as the inputs will still be detected in the HMI page and communication address. Disabled It is advised that all unused pins are disabled to prevent any unwanted actions from taking place accidentally Forward Use these settings while setting up 2-wire and 3-wire control modes.
  • Page 40 User Manual Description Set Value Function The input can be used to trigger a stopping action. In this case, irrespective of the DC Braking setting in P2-05, the drive will follow the DC brake assisted stopping routine. E Stop The input can be used to trigger emergency Stop Hand function (Level triggered) The input can be used to trigger Hand operation and switch the frequency source.
  • Page 41 User Manual This parameter decides the control technique that will be followed when the user selects P0-02 as 1 or 2. 0: Two-Wire Control Mode 1 Two-wire control mode 1 is the most commonly used terminal control mode. One terminal acts to trigger FWD rotation while the other acts to trigger REV operation.

  • Page 42: P6- Output Function Terminals

    User Manual 3: Three-Wire Control Mode 2 The Three Wire control mode 2 combines a switch with uses 3 momentary push button for its operation. Push button S3 is used to reverse the direction of motor. Momentary push button S1 (NO) is used for RUN command and S2 (NC) is used for the STOP command.
  • Page 43 User Manual Description Set Value Function Standby The output terminal is used to denote that the drive is in standby mode Frequency Arrived The output terminal is used to denote the FAR condition. Refer parameter P12-14 The output terminal is used to denote the FDT condition. Frequency Detected Refer parameters P12-12 and P12-13.

  • Page 44: P7- Pi Control Parameters

    User Manual P7 – PI Control Parameters Procedure to set PI values as per requirement: The default set values for PI gain is 1.0 and for integral time is 1.0s. The first step is to start the VFD and operate on RUN mode. Check wheather the set point values are achieved within correct time intervals.
  • Page 45 User Manual Display Scaling P7-02 0.0 to P7-01 Low for PI Values Choose the set value for the PI control loop. This setting is used when the value in P7-00 is 0. PI set value 0.00 % to 100.00 % 0.00 % P7-03 Choose the set value for the PI control loop.
  • Page 46 User Manual Feedback variable Deviation limit Present value Time Output frequency Time Fig.6.12 Dezviation Limit Sampling Time P7-09 0.1 to 100.0 s 0.2 s Sampling period (T) means sampling period of feedback quantity; operation is performed by regulator once every one sampling period. The longer sampling period is, the slower response will be.

  • Page 47: P8- Simple Plc And Multispeed Parameters

    User Manual Wake up time P7-15 0.0 s to 50.0 s 0.0 s VFD starts PI regulation after Wakeup time. P8 – Simple PLC and Multispeed parameters 0: Disabled 1: Program stops after running for one cycle Program run 2: Program runs for one cycle and P8-00 mode then continues at last operating frequency...
  • Page 48 User Manual Frequency (Hz) P8-01 P8-02 P8-03 P8-03 Time (t) P8-08 P8-09 P8-10 P8-12 P8-13 P8-14 P8-15 P8-07 P8-04 P8-06 P8-05 Fig.6.13 Multispeed Operation 0: Seconds Time unit of P8-16 1: Minutes multi-velocity 2: Hours The P8-16 parameter defines the time unit that will be used for the time settings in P8-17 to P8-31 Running direction 0-255 BIT0-7 indicates directions for 0-7 (0:FWD 1:REV) P8-17...

  • Page 49: P9- Protection Parameters

    User Manual The P8-18 parameter determines the acceleration or deceleration times that will be followed for the individual phases in the simple PLC program. In the 16-bit word, every 2-bit data corresponds to the acc/dec time selection for the respective phase. The 2-bit data corresponds to 4 distinct Acc/Dec times as shown in the table below.
  • Page 50 User Manual 0: Disabled Undervoltage P9-12 1: Enabled protection enable 2: Fault Auto-Reset Critical value of Under- 1P: 180V-240 V 1P: 195 V P9-13 voltage protection 3P: 315V-415 V 3P: 350 V Undervoltage trip P9-14 0.1 to 3600.0 s 3.0 s time Undervoltage 0: Disabled...

  • Page 51: P10- Fault History

    User Manual Low power actions 0: Coast; 1: Continue; 2: Recovery P9-31 The low power actions can be used to continue drive operation even in cases where the supply power has degraded. It protects the system from complete shutdown but only allows limited operating speeds. Automatic Current 0: Disabled P9-32...

  • Page 52: P12- Enhanced Parameters

    User Manual The above parameters deal with the external communication feature of the drive. The parameter P11-00 defines the slave ID that will be assigned to the VFD. Note that the drive always acts as a slave in the communication system. The parameter P11-01 defines the baud rate at which the communication system will operate.

  • Page 53: Output Frequency

    User Manual Lower Limiting Frequency (P0-10) FDT Level 0.0 Hz P12-12 – Upper Limiting Frequency (P0-09) Detection Value FDT Level Lower Limiting Frequency (P0-10) 0.0 Hz P12-13 Lagged Value – FDT Level Detection Value (P12-12) These 2 parameters indicate that a particular frequency has been achieved. The operation is explained in the diagram below. Output frequency FDT level FDT lagged value...

  • Page 54: Fault Handling And Troubleshooting

    User Manual 0: Always on 1: VFD run dependent P12-17 Fan control 2: Temperature dependent It is used to select the action mode of the cooling fan. 0: The fan runs continuously after power-on. 1: The fan runs when the AC drive is in run state. 2: The fan runs depending upon the temperature of the AC drive.

  • Page 55: Common Faults And Processing Schemes

    User Manual 1. Crosscheck the communication settings 1. Erronous communication across all devices External settings Communication communication wires connected to the network. failure 2. Damaged 2. Check the status of the wires/cable used for communications 1. Ensure HMI is connected to the 1.

  • Page 56: Inspection And Replacing Damaged Parts

    User Manual Examination Period Items Check Points Criteria and maintenace Non periodic Periodic 1. Temperature in allowable range 1. Temperature & Humidity Environmental 2. Dust free environment. No flammable/ 2. Dust, abnormal gases explosive gases in vicinity 1. Good ventilation. No obstruction to air flow 1.

  • Page 57: Protocol Instructions

    9.2. Protocol Instructions The protocol of VFD-S Series Converter is a kind of serial & asynchronous communication protocol with principal and subordinate Modbus there is only one device (host) could set up protocol (named "query /command"), and the other devices (slave) can only response to the host's "query /command"...

  • Page 58: Command Code And Data Description

    User Manual Standard Structure of RTU Frame : T1-T2-T3-T4 (3.5-byte transmission time) Frame header Communication address: 0~127(decimal system) / Slave address (Zero stands for broadcast communication address) 0x03: reading parameters of slave controller Function domain 0x06: programming parameters of slave controller 2*N-byte data is not only the main content of communication Data field but also the core of data exchange during the communication.

  • Page 59: Read-Write Rules Of Parameter Address For Function Code

    User Manual Host command Slave Response 3.5 byte interval 3.5 byte interval Frame header Frame header Slave address 0x01 Slave address 0x01 Function code 0x06 Function code 0x86 Register address 0x0003 Error code 0x0002 Register information 0x0258 Checksum 0xC3A1 3.5 byte interval Checksum 0x7950 Frame termination...
  • Page 60 User Manual 9.5 Read-write rules of parameter address for function code 9.5.1 Monitoring Parameters Address Parameter Set Frequency 30000 Output Frequency 30001 Carrier Frequency 30002 Output current 30003 Output voltage 30004 Bus voltage 30005 30006 Motor's RPM 30007 %Full load current IGBT temperature 30008 %Output power...

  • Page 61: Appendix

    User Manual 10. APPENDIX 10.1. Braking Resistor Calculations PRODUCT CODE RECOMMENDED VALUE VFD-S-1-005-230V 100W 700Ω VFD-S-1-010-230V 150W 360Ω VFD-S-1-020-230V 200W 200Ω VFD-S-3-010-415V 200W 850Ω VFD-S-3-020-415V 350W 500Ω VFD-S-3-030-415V 550W 450Ω 10.2 Technical specifications Single Phase 230 V 50/60 Hz Rated input voltage/frequency Three Phase 415 V 50/60 Hz Power 230 V ±20 % for Single Phase...

  • Page 62: Product Dimensions

    User Manual Overload Capacity 150 % for 1 min, 180 % for 10 s, 200 % for 1 s 4 pre-set V/f mode and 1 User Defined V/f program V/F mode Changes the V/f curve according to the load to reduce energy consumption Energy Efficient Running Control Characteristic...

  • Page 63: Recommended Lugs Size

    User Manual 10.5 Recommended Lugs Sizes While operating the drive, all connections must be neat and tight. For this, it is recommended to connect the input and output wires to the drive along with the lugs. As per the terminals sizes the recommended lugs are as follows: Current Rating for Lugs &...