Savch S2800 Series Service Manual
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Savch S2800 Series Service Manual

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Manual Service
For S2800 Series Inverters

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Summary of Contents for Savch S2800 Series

  • Page 1 All Rights Reserved. Subject to change without notice. Manual Service For S2800 Series Inverters...

  • Page 2: Table Of Contents

    Contents Preface…………………………………………………………………..……………………….. 1 1. Safety instructions.……………………………………………..…………………... 1.1 NOTES FOR OPERATION………………………………………..……………………... 1.2 NOTES FOR OPERATION ENVIRONMENT………...………..……………………….. 2. DESCRIPTIONS FOR SANCH AND INSTALLATION………………..……….……….. 2.1 OPERATION ENVIRONMENT…………………………………………………………… 5 2.2 MODEL DESCRIPTION…………………………………………………………………… 6 2.3 PRODUCT SPECIFICATION……………………………………………………………... 7 2.4 WIRING……………………………………………………………………………………... 15 2.5 OUTLINE SIZE…………………………………………………………………………….. 3. DESCRIPTION OF OPERATORS………………………………………………………… 19 3.1 KEYBOARD DESCRIPTION FOR IP03/IP05 DIGITAL OPERATOR…………………...

  • Page 3: Preface

    Preface This instruction manual, which includes operation descriptions and notes for maintenance, shall be delivered to the end-user. For safety running and effective operation, this instruction manual shall be read thoroughly prior to use, which shall also be preserved for later use. Provided problems occur and solution is not provided in this instruction manual, contact your SANCH ELECTRIC representative or contact with our company directly.

  • Page 4: Safety Instructions

    1 SAFETY INSTRUCTIONS 1.1 NOTES FOR OPERATION Before wiring CAUTION Specification of applying power supply shall correspond to input voltage of the inverter. DANGER Main circuit terminals must be correct, R/L1, S/L2 and T/L3 is input terminals and it’s forbidden to use mixing with U/T1, V/T2 and W/T3. Failure to observe this may cause the inverter damaged.
  • Page 5 CAUTION ● Never touch heatsink or discharging resistor since temperature may be very high. ● Since it is easy to change running speed from low to a high speed, verify safe working range of motor and machine before running. ● Pay attention to relative settings before using the brake.

  • Page 6: Notes For Operation Environment

    1.2 NOTES FOR OPERATION ENVIRONMENT Make sure the inverter is protected from the following during operation: Direct Sunlight. Corrosive Oil l fluids Iron chips and dust Salt or saline Rain, moisture Extreme high ambient Extreme Large impelling temperatures (Above 40℃) temperatures Electromagnetic waves and Locations of inflammable...

  • Page 7: Descriptions For Sanch And Installation

    2 DESCRIPTIONS FOR SANCH AND INSTALLATION 2.1 OPERATION ENVIRONMENT Since operation environment can directly influence functions and operation life, to ensure proper performance and long operation, follow the recommendations below when choosing allocation for installing the inverter. Make sure it is protected from the following: Extreme cold and heat.

  • Page 8: Model Description

    2.2 MODEL DESCRIPTION Model Input power supply Specification Output power supply Specification Output frequency SINGLE PHASE/ PRODUCT THREE PHASE SERIES THREE PHASE G: CONSTANT TORQUE LOAD Variable torque load...

  • Page 9: Product Specification

    2.3 PRODUCT SPECIFICATION Individual Specification ■220V Signal phase/ Three phase Series Model number S2800-2T□□□G 0.75 1.5 Max applicable motor output 0.75 1.5 power(kW) Max applicable motor output power(HP) Output rated capacity(kVA) Output rated current (A) Output frequency range 0.1~600Hz Over load capacity 150% of rated output current and run for 65sec.
  • Page 10 Model number 90 110 132 160 185 200 220 250 280 315 350 400 500 560 630 S2800-4T□□□G Max applicable motor output 90 110 132 160 185 200 220 250 280 315 350 400 500 560 630 power(kW) Max applicable motor output 120 147 176 214 247 267 294 334 374 420 534 467 667 747 840 power(HP)
  • Page 11 Individual Specification ■Standard Specification Control mode V/F control,without PG vector control Output frequency range 0.01~600.0Hz Frequency setting analyzing 0.01Hz degree Output frequency analyzing 0.01Hz degree PWM load wave frequency Available to modulate from 0.5 to 15kHz. Torque increase without PG vector control 0.5Hz/150%(SVC) Jog frequency 3 points can be set from 0.01 to 600.0Hz Acceleration/deceleration...
  • Page 12  Phase advance capacitors and other capacity elements such as LC or RC shall not be fixed between the inverter and motor. List of applicable non-fuse switches for S2800 series 220V Series S2800-SERIES Rated Input...
  • Page 13 440V Series S2800-SERIES Rated Input Rated Output Motor Non-fuse MODEL Current(A) Current(A) Output(kW) Switch Rated Current(A) S2800-4T0.75G 0.75 S2800-4T1.5G S2800-4T2.2G S2800-4T4.0G 11.2 S2800-4T5.5G S2800-4T7.5G S2800-4T11G S2800-4T15G S2800-4T18.5G 18.5 S2800-4T22G S2800-4T30G S2800-4T37G S2800-4T45G S2800-4T55G S2800-4T75G S2800-4T90G S2800-4T110G S2800-4T132G S2800-4T160G S2800-4T185G S2800-4T200G S2800-4T220G S2800-4T250G S2800-4T280G...
  • Page 14 Application and description for ambient equipments Power supply: Power supply:  Make sure voltage class is correct, otherwise inverter may be damaged.  A no fuse breaker (air circuit breaker) shall be provided between AC supply and inverter. No fuse Breaker No fuse Breaker: ...
  • Page 15 Wiring shall be checked whether correct or not. Peripheral wiring shall fulfill the following requirements. (Do not use a buzzer of control circuit to check wiring) (A) Wiring for control circuit Power supply must be isolated or far from other high voltage wirings or high current power lines, thus electromagnetic interference can be avoided.
  • Page 16  Voltage drop of wiring shall be considered providing that inverter and motor are with an excessive distance. Voltage drop (V) =3 × wiring resistance (Ω/km) × wire length (m) × current(A) × 10 , load wave frequency shall be modified according to wiring prepared. Distance between inverter...

  • Page 17: Wiring

    Users must connect terminals as diagram shows. Below is a standard wiring diagram for S2800 series AC motor drive. If only digital control panel was used, only main circuit terminal wiring applicable.

  • Page 18: Outline Size

    2.5 OUTLINE SIZE Main circuit terminal descriptions Description for S2800 Series inverter terminals Terminal symbols Function Main circuit AC power supply input L1/R,L2/S,L3/T (For single phase input, connect to R and T.) U/T,V/T2,W/T3 Connect to motor P/B1,B2 Braking resistor(optional) connecting terminal...
  • Page 19 Overview Outline Diagram Quantity remarks Specification (kg) use IP03 exerciser use IP05 exerciser...
  • Page 20 DIAGRAM FOR PRODUCT OUTLINE  Outline of small power operator (IP03) and  Outline of large power operator (IP05) and size for installation aperture size for installation aperture...

  • Page 21: Description Of Operators

    3 DESCRIPTION OF OPERATORS 3.1 KEYBOARD DESCRIPTION FOR IP03/IP05 DIGITAL OPERATOR Descriptions and functions of the keyboard Locating on AC motor drive, the digital operator IP03/IP05 has two spaces: display space and operating space. Programmed mode and different operation states shall be displayed on the display space, while for the operating space, it is an interface for communication of the operators and AC motor drive.
  • Page 22 Shortcut multifunction key The function of this key is identified by function code 08-03. 0:function of shortcut key QUICK, the first menu to enter or quit shortcut key 1: switching key for forward and reverse 2: key for jog-run operation 3: clear the frequency value set by UP / DOWN Composite key The inverter will freely stop when pressing keys of RUN and STOP / RST at the same...

  • Page 23: Description Of Keyboard Operation

    3.2 Operation Instructions of Keyboard 3.2.1 Parameter Setting Three levels of menu are: 1. group number of function code (first-level menu) 2. labeling of function code (second-level menu) 3. set value of function code(third-level menu) Press PRG / ESC or DATA / ENT to back to second-level menu when in the state of third-level menu. The difference between PRG / ESC and DATA / ENT is as follows.
  • Page 24 Note: In self-taughtcourse, the motor has to be uncoupled from load. Otherwise, motor parameters obtained from self-taughtmay be incorrect. 3.2.4 Password Setting S2800 series inverter provides password protection to users. When 08-00 is set as nonzero value, it is the The password protection comes into effect immediately after quitting the edit state of user’s password.
  • Page 25 ENT + QUICK / JOG to switch and display the chose parameter in the left sequence. 3.2.5.5 Fault S2800 series inverter provides all kinds of fault information. As for the detailed information, please refer to the fault and solution of S2800 series inverter.
  • Page 26 3.2.6 Quick Debugging start choose control mode(set 01-00) correctly set group 01 of motor 01-00=0？ parameters choose the right time of acceleration and deceleration (set 00-07,00-08) choose running motor parameters command channel self-taught(set 01-01) (set 00-00) choose the suitable frequency command (set 00-01,00-02 , etc) choose the start-stop mode of motor (set...

  • Page 27: Preliminary Operation-Not Connecting With Motor

    3.3 PRELIMINARY OPERATION-NOT CONNECTING WITH MOTOR  Prior to connecting power supply with AC motor drive, check and make sure that AC power supply voltage is within input voltage range of the drive.  Connect power supply to R, S and T input terminals of the AC motor drive. ...
  • Page 28 □Frequency reference is controlled by keyboard. Three line operation control mode Configuration 2 (04-00=1,04-01=3,04-02=2,04-05=3) □Frequency reference is input by analog signals. (DC0 to +10V)+ (DC4 to +20mA) Operation reference is controlled by keyboard. (00-02 is set as 1, 2, 3)

  • Page 29: List Of Descriptions For Functional Parameters

    4 LIST OF DESCRIPTIONS FOR FUNCTIONAL PARAMETERS User’s parameter set during running available Parameter Parameter functions Setting range Factory setting 1: keyboard command channel(LED off) Operation command 00-00 2: terminal command channel(LED flicker) channel 3: communication command channel(LED on) 0: effective, and the inverter powers down and stores 1: effective, and the inverter powers down and Keyboard and terminal unstores...
  • Page 30 Motor Control Parameters set during running available Parameter Parameter functions Setting range Factory setting Velocity control mode 0: no vector control 01-00 1: V/F control 2: torque control (without vector control) Motor parameters 0: no operation 01-01 self-learning 1: parameters overall self-learning 2: parameters static self-learning 01-02 Motor rated power...
  • Page 31 V/F Control Parameters set during running available 0: line V/F curve 03-00 V/F curve setting 1: square drop torque V/F curve 03-01 Torque increase 0.0%:(automatic)0.1%~30.0% 0.0% 03-02 Torque increase cut-off point 0.0%~50.0%(relative motor rated frequency) 20.0% 03-03 V/F slip compensation limit 0.0~200.0% 0.0% 0: inaction...
  • Page 32 04 Input Terminal Parameters set during running available Parameter Parameter functions Setting range Factory setting 04-04 Switching value filtering times 1~10 1: two-wire control 1 Operation mode of terminal 2: two-wire control 2 04-05 control 3: three-wire control 1 4: three-wire control 2 Change rate terminal...
  • Page 33 06 Output Terminal Parameters set during running available Setting range Factory Parameter Parameter functions setting 0: running frequency 1: setting frequency 2: running rotating speed 3: output current 4: output voltage 06-02 AFM output choosing 5: output power 6: output torque 7: analog AVI1 input value 8: analog AVI2 input value 9~10: reserved...
  • Page 34 08 Man-machine Interface Parameters set during running available Parameter Parameter functions Setting range Factory setting 08-00 User password 0~65535 0: Chinese Choice of LCD display 08-01 language 1: English 0: no operation 1: local function parameters upload to LCD keyboard Function parameter 2: function parameters of LCD keyboard download to...
  • Page 35 08 Man-machine Interface Parameters set during running available Parameter Parameter functions Setting range Factory setting 1~0x1FF BIT0: setting frequency BIT1: busbar voltage BIT2: input terminal status BIT3: output terminal status Choice of parameters BIT4: PTD set value 08-07 displayed by stopping 0xFF BIT5: PID feedback value status...
  • Page 36 08 Man-machine Interface Parameters set during running available Parameter Parameter functions Setting range Factory setting 08-13 Fault type of last time 08-14 Present fault type Present fault operation 08-15 0.00Hz frequency 08-16 Present fault output current 0.0A 08-17 Present fault busbar current 0.0V Input terminal status of present 08-18...
  • Page 37 09 Enhanced Function Parameters set during running available Parameter Parameter functions Setting range Factory setting 0: set torque by keyboard (corresponding to 09-25) 1: set torque by analog quantity AVI1 (100% corresponding to twice of inverter rated current) 2: set torque by analog quantity AVI2/ACI (be same with Choice torque 09-24...
  • Page 38 11 Protection Parameters set during running available Parameter Parameter functions Setting range Factory setting 0: no protection general motor (with low-velocity Choice motor overload 11-00 compensation) protection 2: frequency motor (without low-velocity compensation) 11-01 motor overload protection current 20.0%~120.0% (motor rated current) 100.0% Frequency droop percentage of 70.0~110.0%Standard busbar voltage...
  • Page 39 12 Serial Communication Parameters set during running available Parameter Parameter functions Setting range Factory setting 14: odd parity checking(O,8,1) for ASCII 15: no checking(N,8,2) for ASCII 12-02 Setting of data bit checking 16: even parity checking(E,8,2) for ASCII 17: odd parity checking(O,8,2) for ASCII 12-03 Communication answer delay 0~200ms...

  • Page 40: Description Of Functional Parameters

    5 DESCRIPTION OF FUNCTIONAL PARAMETERS All the functional parameters are described in detail in this chapter. According to attributes, the parameters can be divided into 13 groups; in most of the applications, presetting for operation shall be completed by performing with these parameters of groups. The 13 groups of parameters are listed as below: 0: basic function parameters 1: motor control parameters...
  • Page 41 00-01 Keyboard and terminal UP/DOWN setting Factory setting 0: effective,and the inverter powers down and stores 1: effective,and the inverter powers down and unstores Setting range 2: UP / DOWN setting is ineffective 3: setting is effective when running, reset when stopping Set frequency through “∧”and “∨”...
  • Page 42 5: PID control setting The inverter running mode will be course PID control if choose this parameter. It is necessary to set 10 groups of PID control group. The inverter running frequency is the frequency value after PID’s action. As for definitions of PID given source, given value and feedback source and so on, please refer to the introduction of 10 groups of PID function.
  • Page 43 . actual time for acceleration and deceleration = set time for acceleration and deceleration ×(set frequency/Max. frequency) S2800 series inverter has two groups of acceleration and deceleration time. Group 1: 00-07, 00-08 Group 2: 09-00, 09-01 Time for acceleration and deceleration can be chosen through time for acceleration and acceleration of multi-function digital input terminal to choose the terminal combination.
  • Page 44 magnetic heat carrier noise, leakage noise dissipation frequency current small small small relational graph of effect of carrier frequency on environment relation table of type and carrier frequency type factory setting 1.5~11kw 8kHz 15~55kw 4kHz 15~185kw 2kHz 200~315kw 1kHz Advantage of high carrier frequency: better current waveform, less current harmonics and lower motor noise Disadvantage of high carrier frequency: more starting consumption, more temperature rise of inverter, affect inverter output capacity...

  • Page 45: 1: Motor Control Parameters

    AVR fuction equals to the automatic adjustment function of output voltage. When AVR function is ineffective, the output voltage varies with input voltage (or DC busbar voltage). When AVR function is effective, the output voltage doesn’t vary with input voltage (or DC busbar voltage) and keep basically constant in its output range.
  • Page 46 0: no operation 1: rotating parameters self-taught The nameplate parameter (01-02~01-06)of motor has to be input accurately before motor parameter self-learning. The motor has to be uncoupled from load to stay in static and no-load state. Otherwise, motor parameters obtained from self-taughtmay be incorrect. Time for acceleration and deceleration (00-07, 00-08) should be set properly according to motor inertia before motor parameter self-learning.

  • Page 47: 2: Vector Control Parameter

    01-07 Motor stator resistance Factory setting ***** Setting range 0.001~65.535Ω(type setting) 01-08 Motor rotator resistance Factory setting ***** Setting range 0.001~65.535Ω(type setting) 01-09 Inductor of motor stator and rotor Factory setting ***** Setting range 0.1~6553.5mH(type setting) 01-10 Mutual-inductor of motor stator and rotor Factory setting ***** Setting range...

  • Page 48: 3: V/F Control Parameters

    PI parameter output frequency PI parameter schematic diagram Adjust the dynamic response performance of vector control speed loop by setting the proportion coefficient and integral time of speed regulator. The increase of proportion gain and decrease of integral time both can accelerate the dynamic response of speed loop. But the over great proportion gain and over short integral time both easily result to system oscillation and great over-control.
  • Page 49 output voltage line type square type output frequency schematic diagram of V/F curve 03-01 Factory setting Torque increase Setting range 0.0~10.0% 03-02 Factory setting Torque increase cut-off point Setting range 0.0~50.0% The torque increase is mainly used for the frequency lower than cut-off frequency (03-02) and the increased V/F curve is as the diagram below.

  • Page 50: 4: Input Terminal Parameters

    03-03 V/F slip compensation limit Factory setting Setting range 0.0~200.0% The setting of this parameter can compensate the variation of motor rotating speed due to on-load operation with V/F control to improve the rigidity of motor machinery performance. Value of this parameter should be set as the rated slip frequency of motor.
  • Page 51 Function List Setting value Function Setting value Function no function multi-velocity terminal 2 forward operation multi-velocity terminal 3 time choosing acceleration reversal operation deceleration three-wire operation control PID control pause wobble frequency suspension (suspend forward jog-on on the current frequency) wobble frequency resetting (return to reversal jog-on center frequency)
  • Page 52 multi-velocity terminal 3 multi-velocity terminal 2 multi-velocity terminal 1 BIT2 BIT1 BIT0 15: acceleration and deceleration time choosing terminal terminal of acceleration and deceleration time choosing termin acceleration and deceleration time choosing corresponding parameter acceleration and deceleration time 0 00-10、01-01 acceleration and deceleration time 1 09-00、09-01 16: PID control pause...
  • Page 53 This parameter defines four different ways to control inverter operation through external terminal. 0: two-wire control , enabling unifies with direction. This mode is the most commonly used two-wire mode. The forward and reversal rotating of motor is determined by defined FWD, REV terminal commands.
  • Page 54 Of which, K: switch of forward and reverse SB1: starting button SB2: stopping button SIn: the multi-function input terminal set as function No.3 “three-wire” operation control. 3: three-wire control 2. In this mode, SIn is the enabling terminal; Operation command is produced by SB1 or SB3, which both control the operation direction at the same time.
  • Page 55 04-11 AVI1 input filtering time Factory setting 0.10 Setting range 0.00~10.00[S] Above function codes define the relationship between analog input voltage and corresponding setting value of analog input. When the analog input voltage exceeds range of maximum or minimum input, the exceeding part will be computed as maximum or minimum input. when the analog input is current input, 0mA~2 mA corresponds to 0V~5V voltage.

  • Page 56: 5: Multi-Velocity Control Parameters

    5. Multi-velocity Control Parameters Simple PLC function refers to a multi-velocity generator. The inverter can automatically change operation frequency and direction according to operation time to meet process needs. This function needed external PLC to complete auxiliary previously. However, it can be completed now only depending on the inverter itself.

  • Page 57: 6: Output Terminal Parameters

    OFF OFF OFF OFF OFF OFF segment 6. Output Terminal Parameters The standard unit of S2800 series inverter has one multi-function digital output terminal, one multi-function relay output terminal and one multi-function analog quantity output terminal 06-00 MO1 output choosing...
  • Page 58 06-02 AFM output choosing Factory setting 0: running frequency 1: setting frequency 2: running rotating speed 3: output current 4: output voltage Setting range 5: output power 6: output torque 7: analog AVI1 input value 8: analog AVI2/ACI input value 9~10: reserved The standard output of analog output is 0~10V.

  • Page 59: 7: Start-Stop Control Parameters

    corresponding relationship of given value and analog output 7: Start-stop Control Parameters 07-00 Starting operation mode Factory setting Setting range 0: direct starting 1: start after DC braking 0: direct starting: begin to start from starting frequency. 1: start after DC braking: first of all, DC brake according to the mode set in 07-01 and 07-04; then start from starting frequency.
  • Page 60 07-05 Stopping mode choosing Factory setting 0: slow down to stop Setting range 1: free stopping 0: slow down to stop When the stopping command is effective, the inverter decreases the output frequency according to deceleration way and defined deceleration time and stops when is frequency is decreased to 0. 1: free stopping When the stopping command is effective, the inverter terminates output immediately.
  • Page 61 07-10 Dead time of forward and reversal rotating Factory setting Setting range 0.0~3600.0[s] It refers to the transition time when the output frequency is 0 in the transient process of forward and reversal rotating of inverter. As shown in the diagram below: output frequency dead time forward...

  • Page 62: 8: Man-Machine Interface Parameters

    This function code defines the positive and negative logic of terminal. Positive logic: It is effective when terminals such as M1 and so on connect with corresponding common terminal and ineffective when disconnect. Negative logic: It is ineffective when terminals such as M1 and so on connect with corresponding common terminal and effective when disconnect.
  • Page 63 08-03 Choice of QUICK/JOG key function Factory setting 0: jog-on operation 1: switch between forward and reversal rotating Setting range 2: clear UP/DOWN setting QUICK/JOG is the multi-function key. Its function can be defined by parameter setting. 0: jog-on operation. Press QUICK/JOG key to realize jog-on operation. 1: switch of forward and reverse.
  • Page 64 BIT15: torque setting value In operation state, the parameter display of S2800 series inverter is affected by this function code. It is a binary number of 16 bits. If some bit is 1, the corresponding parameter of this bit can be checked through key “＞”...
  • Page 65 The setting of this function is same to that of 08-06. The parameter display is affected by this function code only when the S2800 series inverter is in the stopping state. The display content indicated by each bit is shown in the table below.
  • Page 66 08-12 Fault types of first two times Factory setting ***** 0: no fault 1: inverter unit U phase protection(OUT1) 2: inverter unit V phase protection(OUT2) 3: inverter unit W phase protection(OUT3) 4: accelerated over current(OC1) 5: decelerated ove current(OC2) 6: keep the over current on constant speed(OC3) 7: accelerated over voltage(OV1) 8: decelerated over voltage(OV2) 9: keep the over voltage on constant speed(OV3)

  • Page 67: 9: Enhanced Function Parameters

    08-17 Present fault busbar voltage Factory setting ***** Setting range 08-18 Input terminal status of present fault Factory setting ***** Setting range 08-19 Output terminal status of present fault Factory setting ***** Setting range Input terminal status of present fault is the decimal number, which displays status of all number input terminals of the last time.
  • Page 68 09-03 Acceleration time of jog-on operation Factory setting 10.0 Setting range 0.0~3600.0s[s] 09-04 Deceleration time of jog-on operation Factory setting 10.0 Setting range 0.0~3600.0s[s] They are used to define the given frequency and acceleration and deceleration time of inverter when in jog-on operation state. The start-stop mode of jog-on includes direct start-stop mode and deceleration stop mode.
  • Page 69 09-10 Fall time of wobble frequency Factory setting Setting range 0.1~3600.0s The wobble frequency function is applied to occasions needed traversing and winding, such as textile and chemical fiber industries and so on. The wobble frequency function refers to that the inverter output frequency wobbles up and down centering around the setting frequency.
  • Page 70 output frequency FDT level FDT hysteresis schematic diagram of FDT level 09-15 Frequency reaching detection width Factory setting Setting range 0.0~100.0[%] The inverter outputs the pulse signal in the positive and negative detection width of setting frequency. The detailed information is as follows. output frequency detected width setting...
  • Page 71 09-17 Coefficient of rotating speed display Factory setting 100.0 Setting range 0.1~999.9%[100.0%] Machinery rotating speed=120*operation frequency*09-17/motor pole-pairs. This function code is used to calibrate the scale of rotating speed to display the error, having no effect on actual rotating speed. 09-18 Low frequency threshold point of oscillation suppression Factory setting...
  • Page 72 09-24 Torque setting mode Factory setting 0: set torque by keyboard （corresponding to 09-25） 1: set torque by analog quantity AVI1 (100% corresponding to twice of inverter rated current) 2: set torque by analog quantity AVI2/ACI (be same to 1 ) Setting range 3: set torque by analog quantity AVI1+AVI2/ACI (be same to 1 ) 4: multi-section torques setting (be same to 1 )

  • Page 73: 10: Pid Control Parameters

    10: PID Control Parameters PID control is a common method for process control, which often does proportion, integral and differential operation through the deviation of feedback signal and target signal of controlled volume to adjust the output frequency of inverter, form the negative feedback system and make the controlled volume be stabilized above the target volume.
  • Page 74 0: analog channel AVI1 feedback 1: analog channel AVI2/ACI feedback 2: AVI1+AVI2/ACI feedback 3: remote communication feedback Choose PID feedback channel through this parameter. Note: The given channel and feedback channel can’t coincide. Otherwise, PIID can’t control efficiently. 10-03 Choice of PID output characteristic Factory setting 0: PID output is positive characteristic Setting range...
  • Page 75 Integral time (I): when there is deviation between feedback quantity and given quantity, the output adjusted quantity accumulated continuously. If the deviation exists persistently, the adjusted quantity will increase continuously until there is no deviation. The integral adjuster can eliminate the steady-state deviation efficiently.

  • Page 76: 11: Protection Parameters

    10-10 Feedback disconnection test value Factory setting 0.0~100.0[%] Setting range 10-11 Feedback disconnection test time Factory setting 0.0~3600.0[s] Setting range Feedback disconnection test value: this test value corresponds to full scale (100%). The system tests the feedback quantity of PID all the way. When the feedback value is less than or equal to the feedback disconnection test value, the system begins the test timing.
  • Page 77 11-02 Frequency droop point of instant power-down Factory setting 80.0 70.0%~110.0%(Standard busbar voltage) Setting range 11-03 Frequency droop rate of instant power-down Factory setting 100.0 0.00~00-06[Hz] Setting range When the frequency droop rate of instant power-down is set as 0, the function of frequency droop of instant power-down is ineffective.
  • Page 78 11-06 Automatic current limiting Factory setting 100~200%[160] Setting range 11-07 Droop rate of over current frequency Factory setting 1.00 0.00~50.00[1.00Hz/s] Setting range In the course of inverter operation, the actual rise rate of motor rotating speed is less than that of output frequency due to the oversize load, which may result to the acceleration over current fault to let the inverter trip if no measures are taken.

  • Page 79: Serial Communication Parameters

    The host here refers to personal computer (PC), industry control equipment or programmable logic controller (PLC) and so on. The slave refers to S2800 series inverter or other control equipments with same communication protocol. The host can communicate with some slave lonely and send broadcast information to all slaves as well.
  • Page 80 Coding system: 8-binary, every 8-bit frames field includes two hexadecimal characters, hexadecimal system 0~9, A~F. In ASII mode, the format of each byte is as follows: Coding system: communication protocol is hexadecimal system. The information character meaning: "0”…”9”, “A”…”F”. Every hexadecimal system is expressed by ASII information of corresponding character.
  • Page 81 Frame header (START) T1-T2-T3-T4 (transmission time of 3.5 characters) Slave address field (ADDR) Communication address: 0~247 (decimal system) ( 0=broadcast address) Function domain (CMD) 03H: read slave parameter 06H: write slave parameter Data field Data of 2*N characters. This part is the main DATA (N-1) content of communication and the core of data …...
  • Page 82 RUT host command information START T1-T2-T3-T4 ADDR Start address upper bit Start address lower bit Date number upper bit Date number lower bit CRC CHK upper bit CRC CHK lower bit T1-T2-T3-T4 RUT slave response information START T1-T2-T3-T4 ADDR Byte number Date address 0004H upper bit Date address 0004H lower bit Date address 0005H upper bit...
  • Page 83 ASCII slave response information START ‘:’ ‘0’ ADDR ‘1’ ‘0’ ‘3’ ‘0’ Byte number ‘4’ ‘1’ Date address 0004H upper bit ‘3’ ‘8’ Date address 0004H lower bit ‘8’ ‘1’ Date address 0005H upper bit ‘3’ ‘8’ Date address 0005H lower bit ‘8’...
  • Page 84 ASCII host command information START ‘:’ ‘0’ ADDR ‘2’ ‘0’ ‘6’ ‘0’ Write data address upper bit ‘0’ ‘0’ Write data address lower bit ‘5’ ‘1’ Date content upper bit ‘3’ ‘8’ Date content lower bit ‘8’ LRC CHK Hi ‘5’...
  • Page 85 For example, Do loop test to the driven address 01H, the character string of query information is same to that of response information. Its format is shown as follows. RUT host response information START T1-T2-T3-T4 ADDR Sub-function code upper bit Sub-function code lower bit Date content upper bit Date content lower bit...
  • Page 86 ASCII slave command information START ‘:’ ‘0’ ADDR ‘1’ ‘0’ ‘8’ ‘0’ Sub-function code upper bit ‘0’ ‘0’ Sub-function code lower bit ‘0’ ‘1’ Date content upper bit ‘2’ ‘A’ Date content lower bit ‘B’ LRC CHK Hi ‘3’ LRC CHK Lo ‘A’...
  • Page 87 In CRC production course, every 8-bit character is XOR with register content. The result moves to the direction of lowest effective bit. And the highest effective bit is filled with 0. LSB is picked up to test. If LSB is 1, the register is XOR with the preset value alone. If LSB is 0, nothing is does. The whole process has to be repeated 8 times.
  • Page 88 L. Definition of Communication Data Address It is the definition of communication data address, which is used to control inverter operation, obtain the state information and relative function parameters of inverter. (1) representation method of function code parameter address Using numbers of function code as parameters to correspond to the register address, which has to be converted to hexadecimal system.
  • Page 89 Function Address Description of data meaning description meaning characteristic 3006H Output power 3007H Output torque 3008H PID given value 3009H PID feedback value 300AH Terminal input flag state 300BH Terminal output flag state 300CH Analog quantity AVI1 value 300DH Analog quantity AVI2/ACI value Address description of start/stop 300EH...
  • Page 90 Number Fault type 0x0E Output side lacking phase(SPO) 0x0F Rectifier module over heating fault(OH1) 0x10 Inversion module over heating fault(OH2) 0x11 External fault(EF) 0x12 Communication error(CE) 0x13 Current test error(ITE) 0x14 Motor self-taught error(TE) 0x15 EEPROM operation error(EEP) 0x16 PID disconnection error(PIDE) 0x17 Braking cell error(Bce) 0x18...
  • Page 91 12-00 Local communication address Factory setting 0~247, 0 is broadcast address. Setting range In the course of host editing frame, when the slave communication address is set as 0, that is broadcast communication address. all slaves on ModBus busbar will receive this frame, but not give response.
  • Page 92 0: no checking(N,8,1) for RTU 1: even parity checking(E,8,1) for RTU 2: odd parity checking(O,8,1) for RTU 3: no checking(N,8,2) for RTU 4: even parity checking(E,8,2) for RTU 5: odd parity checking(O,8,2) for RTU 6: no checking(N,7,1) for ASCII 7: even parity checking(E,7,1) for ASCII 8: odd parity checking(O,7,1) for ASCII 9: no checking(N,7,2) for ASCII 10: even parity checking(E,7,2) for ASCII...
  • Page 93 0: alarm and free stop 1: not alarm and continue to run 2: not alarm and stop according to stopping mode (only under communication control mode) 3: not alarm and stop according to stopping mode (under all control modes) When the inverter communication is abnormal, it is feasible to set the process action of communication error to shield CE fault, stop or continue to operate.

  • Page 94: Trouble Shooting

    6 TROUBLE SHOOTING AC motor drive is provided with functions of warning and protection such as over voltage, low voltage and over current. Once fault occurs, protection function shall act, AC motor drive output stop, fault contactor act and also free running of motor shall stop. For causes and corrective measures of fault, display of fault shall be taken for reference.
  • Page 95 Show Description of abnormal Possible reason counter-measure symbol occurrence Electricity grid voltage is too check the voltage of electricity low. grid Setting motor rated reset motor rated current current is incorrect. check load and adjust torque Motor overload Motor is locked or the load increase quantity mutation is too large.
  • Page 96 Show Description of abnormal Possible reason counter-measure symbol occurrence poor connect control check connector, and plug panel connector wire again damage auxiliary ask for service Current test circuit fault power-supply ask for service damage of Hall device ask for service magnify circuit abnormal motor capacity...

  • Page 97: Troubleshooting For Faults In General

    6.2 Troubleshooting for faults in general Fault Check points Treatment Input power supply Check connection power Supply power again after power firstly supply to terminals R, S, T? interrupted. (check charging LED is ON) Verify voltage class of power supply Tighten screws for terminals Check voltage...

  • Page 98: Maintenance And Ambient Elements

    7 MAINTENANCE AND AMBIENT ELEMENTS For safety and normal operation, the inverter shall be provided with daily as well as periodical maintenance. Diagram below shows items that must be checked. Check shall only performed 5 minutes after charging LEDs of the inverter go off, to prevent injury to operators caused by residual power of inverter condenser.
  • Page 99 Always inspection and maintenance is not necessary for S2800. For long time safety operation, periodical inspection shall be prepared to the inverter in accordance with descriptions below. Inspection shall only performed after power supply is off and charging LEDs off (since residual voltage may exist in the large capacity condensers.) （1）...
  • Page 100 Braking resistor list Applicable motor Full load Braking Braking Applied output unit torque resistor resistance torque specification Notes: 1. Watts of voltage value and frequency applied(ED %) shall be in accordance with specifications of this company. 2. This company shall not be responsible for damaging of inverter or other devices, which shall be caused by braking resistor or braking module that were not produced by this company.

  • Page 101: Interleaf Of Taking The Top Cabinet Of S2800-4T7.5G/4T11G

    Interleaf of Taking the Top Cabinet of S2800-4T7.5G/4T11G Dismount the top cabinet according to the following steps. Mount the top cabinet according to the following steps.

This manual is also suitable for:

S2800-2t0.75gS2800-2t1.5gS2800-2t2.2g

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