Powtran PI7800 User Manual
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Powtran PI7800 User Manual

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Thank you very much for purchasing PI7800，PI7600 Family Frequency
Inverters. This family is designed based on the experience of
POWTRAN Company in the professional manufacture and sale of the
products, and suitable for general-purpose machine, fan/pump drive,
high frequency drive and heavy load machine.
This User's Manual provides the users with the instructions on the
installation, parameter setting, fault diagnosis, routine maintenance and
necessary precautions. Please read the Manual carefully before the
installation of the product in order to ensure that it can be correctly
installed and operated.
This User's Manual includes PI7800，PI7600, the general purpose
control and special purpose control . The general purpose control ha
F,G ,M and H; The special purpose control has S,T and Z:
F: FLOW LOAD
G:GENERAL LOAD
M: MEIDDLE LOAD
H: HEAVY LOAD.
S: TEXDRIVE.
T: WINDLASS.
Z: JETDRIVE.
Please contact the local dealers or directly contact our company.
Please keep this user's manual in good condition, for it will be helpful to
the repair, maintenance, and applications in the future.
For information about other product, please visit our website:
http://www.powtran.com.
PDF 文件使用 "pdfFactory Pro" 试用版本创建 ÿ

Foreword

www.fineprint.com.cn
CONTENTS
Section I.
Inspection and Safety Precautions ......................... 1
Section II.
Installation & Standby Circuit ................................ 3
Section III.
Operating keyboard.......................................... 14
Section IV.
Test running.................................................... 19
Section V.
Function Parameter Table ................................... 21
Section VI.
Function Parameter Description .......................... 34
Section VII.
Fault Diagnosis And Solutions............................. 88
Section Viii. Standard Specifications..................................... 90
Section IX.
Maintenance................................................. 103
Section X.
Options........................................................ 105
Appendix 2. PG Instruction ............................................... 120

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Summary of Contents for Powtran PI7800

  • Page 1 Foreword CONTENTS Section I. Inspection and Safety Precautions ......1 Thank you very much for purchasing PI7800，PI7600 Family Frequency Inverters. This family is designed based on the experience of Section II. Installation & Standby Circuit ........ 3 POWTRAN Company in the professional manufacture and sale of the products, and suitable for general-purpose machine, fan/pump drive, high frequency drive and heavy load machine.

  • Page 2: Section I. Inspection And Safety Precautions

    ※ Powtran inverter is generally applied to 3 phase AC asynchronism motors. ※ Powtran inverter is applied to the admisive occasion, the occasion where is not admissive may lead to fire, electric shock, explosion and so on. ※ If the inverter seizes up when it is applied to the equipment which may lead danger (e.g.

  • Page 3: Section Ii. Installation & Standby Circuit

    & S ECTION NSTALLATION TANDBY IRCUIT Section II. Installation & Standby Circuit 2-3-1. PI7800 Diagram 1. Wiring diagram 7.5KW~15KW and below 2-1. Conditions for Use Ambient temperature -10℃~40℃. Avoid electromagnetic interference and keep the unit away from the interference source.
  • Page 4 II. I & S II. I & S ECTION NSTALLATION TANDBY IRCUIT ECTION NSTALLATION TANDBY IRCUIT 2. Wiring diagram 18.5KW~22KW 3. Wiring diagram 30~160KW PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn...
  • Page 5 II. I & S II. I & S ECTION NSTALLATION TANDBY IRCUIT ECTION NSTALLATION TANDBY IRCUIT 4. Wiring diagram1187~355KW 2-3-2. PI7600 Wiring diagram 1. Wiring diagram 7.5KW and below PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn...
  • Page 6 TANDBY IRCUIT 2-4. Main Circuit Terminals: 2-4-2. PI7600 Main Circuit Terminal 2-4-1. PI7800 Main Circuit Terminals 1. 7.5KW and below (380V) Main Circuit Termial 1. 7.5KW~15KW (380V) Main Circuit Terminal 2. 18.5~22KW (380V) Main Circuit Terminal For 4N2B and 4N3B panel, “E” is on the steel panel.
  • Page 7 II. I & S II. I & S ECTION NSTALLATION TANDBY IRCUIT ECTION NSTALLATION TANDBY IRCUIT F63=1/2,Short-circuited to COM to compose 7-step speed 2-5-2 Control circuit terminal Multi-step speed/acceleration and acceleration, level triggers, effective in a lower level 1） 7KLCB.V4 Control circuit terminal Rising/Falling control F04=4,for falling control Frequency mode switch...

  • Page 8: Section Iii. Operating Keyboard

    RESET DISPL Jog key nterlock relay JP-01 The detailed function description is in the following text (JP5E7000). *JP3E7000 Keyboard is optional for PI7800, PI76000 Family inverter. ☆ JP5E7000 Keyboard Specification and function description Alarm Indication Light Reverse command light ℃...
  • Page 9 ² Restore modified value ² alternate the monitor object and monitor *JP5E7000 is the standard keyboard for PI7800, PI7600 Family inverter. Escape/display u For the 4 keypads, when the keypad is unlocked, press the ² Escape modifying the data of function parameters simultaneously for 3 seconds, the keypad is locked, LED displays normally ²...
  • Page 10 Display set frequency during running once down LED JP6E7000 is standard keyboard for PI7800, PI7600 Family inverter. JP6C7000 keyboard has the same structure and instruction with those of press ▼ key JP6E7000. The difference is that the lower LED display is changed into LCD...

  • Page 11: Section Iv. Test Running

    IV. T ECTION EST RUNNING ※ Section IV. Test running Check JOG control. ※ Confirm the acceleration and deceleration time. ※ Connect with the motor. Before connecting the power supply with the frequency converter, confirm ※ that the input voltage of AC power is within the rated input voltage of the Run the motor at low speed and check its rotation direction.
  • Page 12 V. F ECTION UNCTION ARAMETER ABLE V2 Forward/Reverse set Section V. Function parameter table Keypad potentionmeter FWD/REV set 5-1. Basic Parameters V2 proportional linkage Factor adjustment LCD keyboard Range of set value Unit I2 proportional linkage explanation setting Ascend/Descend control 2 Set frequency Keypad+RS485/CAN Actual frequency...
  • Page 13 V. F V. F ECTION UNCTION ARAMETER ABLE ECTION UNCTION ARAMETER ABLE start brake time 0.0~60.0 Valid stop brake time 0.0~60.0 Invalid Pick up mode when power 0.00~F13 F03=0 0.00 rate track select brake start fre. down 0.0~F13 F03=1 Pick up mode when start Deceleration stop stopping mode Invalid...
  • Page 14 V. F V. F ECTION UNCTION ARAMETER ABLE ECTION UNCTION ARAMETER ABLE 0.00~5.00 F03=0 0.00 Excitation heft set value Fre. Inspection range 0.0~50.0 F03=1 Excitation heft actual value General Torque heft set value Water Pump Torque heft actual value Blower fan V/F curve set Plastic jetting mould machine MSS speed control...
  • Page 15 V. F V. F ECTION UNCTION ARAMETER ABLE ECTION UNCTION ARAMETER ABLE F03=0 40.00 acc. time at6 0.1~3200.0 10.0 V/F set fre. 8 U12~F13 F03=1 400.0 dec. time dt6 0.1~3200.0 10.0 V/F set voltage 8 U13~100 acc. time at7 0.1~3200.0 10.0 dec.
  • Page 16 V. F V. F ECTION UNCTION ARAMETER ABLE ECTION UNCTION ARAMETER ABLE PID feedback signal abnormity ×30s ×30s ×10s running Motor reverse ×600s ×600s ×100s direction reverse Set frequency arrival ×3600s ×3600s ×1000s Upper limit frequency 5-2-3. F69 I/O group [I/O] Lower limit frequency LCD keyboard Factory...
  • Page 17 V. F V. F ECTION UNCTION ARAMETER ABLE ECTION UNCTION ARAMETER ABLE torque setting 0.0~100.0 80.0 5-2-7. SYS group [SYS] LCD keyboard Factory excitation setting 0.0~100.0 60.0 Range of set value Unit explanation setting No reset 5-2-5. F71 SPD group [SPD] Restore factory LCD keyboard Factory...

  • Page 18: Section Vi. Function Parameter Description

    V. F ECTION UNCTION ARAMETER ABLE 5-2-8. MOT group [MOT] Section VI. Function Parameter Description LCD keyboard Factory Range of set value Unit explanation setting motor poles 6-1. Basic parameter: motor rated cur. y07×(30%~120%) ★ F00: Monitor selection factory setting: 0 The value range is 0~15 monitoring 0~15 different objects under running.
  • Page 19 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION 15: Torque heft actual value This function is to control ascend/descend and target frequency with the Motor actual torque hefts percentage. terminals SS1, SS2, SS3. It is OFF when SS1, SS2, SS3 are disconnected with COM, ON when they are F01: Control mode factory setting: 0 short circuited.
  • Page 20 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION 0: Keypad+RS485/CAN control υ The inverter set frequency=proportional linkage factor × host inverter 1: Keypad + terminal control+RS485/CAN control frequency + value adjusted by the potentiometer. To terminal control, edge triggers. Execute FOR/REV command in falling edge υ...
  • Page 21 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION and boost output voltage when the inverter is running in low frequency. The calculating form is: boost voltage =motor rated voltage × (inverter actual output current / 2 times of motor rated current) ×...
  • Page 22 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION Allowable maximum frequency by Inverter’s adjusting speed, also the base for setting acceleration/deceleration time. Setting this parameter should consider the characteristic and ability of motor. F14: Basic frequency factory setting: 50.00/500.0Hz This function is for motors with different base frequency.
  • Page 23 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION Power 220 above If setting S curve acceleration/deceleration, the acceleration/deceleration time is 0.4~18.5 22~30 37~55 75~110 132~200 (kW) (including 220) calculated as: Acceleration time=Selected acceleration time+ 〔S feature time at the beginning Carrier 8.0k 7.0k...
  • Page 24 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION output setting frequency frequency start up braking time time output frequency STOP braking start up braking frequency time F27: Stop mode set factory setting: 0 stop braking time When receiving “stop”...
  • Page 25 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION Jog frequency setting range is from lower limit frequency to upper limit frequency area. frequency. F41: Automatic voltage regulation factory setting: 0 F32: Traverse running frequency f1 factory setting: 40.00/400.0Hz CPU automatically inspects the DC bus voltage and deal with it at the real time, when electric network voltage fluctuates, output voltage fluctuation is very small, F33: Traverse running frequency f2...
  • Page 26 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION again to the setting value. 1: Valid F46: Electronic thermal relay protection level factory setting: refer to the below The current is set by the inverter when diagnosing the over heat of the motor. output output frequency...
  • Page 27 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION F50: Program running mode factory setting: 0 output 0: Single circulation. frequency 1: Continuous circulation. 60Hz 2: Single circulation, continuous running at step 7 speed, and stop when 50Hz receiving STOP command.
  • Page 28 Please inquir Powtran technician to select the right load type. Wrong load If energy saving is effective, inverter’s actual voltage output value=inverter’s type may damage the equipment.
  • Page 29 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION output voltage200V, maximum V2+I2 voltage<210V. Keypad potentionmeter set The output frequency of frequency conversion power supply can be set for the 5 modes. Selecting current limit function, but inverter would automatically lower the output Voltage and keep the same frequency once the output current accesses the rated value.
  • Page 30 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION C00 Defect filter time Feedback pressure arrives or is lower than the arriving low pressure set by this parameter, I/O Feedback the constant filter time of VF, IF, feedback a little if C00 is increased; feedback a lot if output function terminal select 26 arriving pressure and output arriving signal.
  • Page 31 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION After adding pumps: pump A, pump C, 0.0%~100.0% with correspondent voltage 0~b02 After adding pumps: pump A, pump C, pump D, Regulated power supply Voltage feedback percentage After adding pumps: pump A, pump C, pump D, pump B External terminal IF:0~20mA External terminal IF:4~20mA Feedback...
  • Page 32 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION Motor rated cur. 30%~120% rated current of inverter Selecting current limit function, but inverter would automatically lower the output Stabilized voltage supply output Voltage and keep the same frequency once the output current accesses the rated value. voltage200V, maximum Invalid Current limit...
  • Page 33 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION output frequency Set frequency output INVERTER current time acc. time dec. time output voltage set voltage Frequency conversion constant current power supply F61 F62: Terminal control modes factory setting: 0 PID parameters 0: standard running control time...
  • Page 34 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION speed/acceleration Upper load shifted set by H02 & C04 Mul-segment H00, H01, H02 is for upper torque percentage: three-line running SS3 JOG speed/acceleration is Upper torque=H00 (H01 or H02)/max frequency x O04 x 100% control 2 reverse invalid...
  • Page 35 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION >10ms >10ms time >10ms >10ms time >10ms >10ms Polarity of Input Terminal output frequency time Low level valid(close) Low level valid(close) set frequency Falling edge valid, rising edge Falling edge valid, rising edge invalid invalid...
  • Page 36 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION 6-2. Other parameters U12: V/F set frequency 7 factory setting: 35.00/350.0Hz User set the seventh frequency of V/F curve corresponding with V7. 6-2-1. F67 V/F curve set [V/F] U13: V/F set voltage 7 factory setting: 35% User set the seventh voltage percentage of V/F curve corresponding with F7, by...
  • Page 37 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION H10: T4 Multi-step speed 4 running time T4 factory setting: 2.0s H29: Multi-step speed 2 running direction factory setting: 0 H11: T5 Multi-step speed 5 running time T5 factory setting: 2.0s H30: Multi-step speed 3 running direction factory setting: 0...
  • Page 38 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION o01: V2 minimum input voltage factory setting: 0.00V Actual torque 0~200% torque The minimum input voltage of input terminal V2, may be any value between o08: DA1 output lower adjustment factory setting: 0.0% 0~V2 maximum input voltage.
  • Page 39 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION exceeds 1.5~ 3 (G/S：2；F：1.5； Fault alarm Z/M/T：2.5；H：3)times of motor’s Over current inspection rated current Over load inspection Over voltage Over voltage inspection Over load Lack voltage inspection PH_O Phase-loss Low load inspection Over heat...
  • Page 40 ( = setting signal - feedback signal) It defines the proportion gain. If the gain is great, the response is rapid, but too PI7800/PI7600 PID regulation great, surge perhaps occur; if the gain is too little, response is slow. 0: negative action, when Δ is positive, frequency rises and when Δ is negative, C04: upper torque factory setting: 80.0%...
  • Page 41 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION P03: setting signal selection factory setting: 3 direction PID regulation, ignores differential and integral effect). It selects the getting signal when using PID control. Proportion gain is the parameter decides PID regulator’s response extent. 0: external terminal I2, the range is 0~20mA If the gain is great, the response is rapid, but if too great, the surge will occur;...
  • Page 42 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION over load PH_O phase-loss over heat series number input voltage level family code under voltage 70：7800 serial 1: single phase 220V 0: Flow load (F) under load 71：7600 serial 2: three phase 220V 1:General load (G) 3: three phase 380V...
  • Page 43 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION Min. input frequency 0．00Hz 2 step speed + Potentiometer adjustment Max. input frequency 20.00Hz 3 step speed + Potentiometer adjustment Potentiometer adjustment range 20.00Hz 4 step speed + Potentiometer adjustment -10Hz 5 step speed + Potentiometer adjustment 6 step speed + Potentiometer adjustment...
  • Page 44 VI. F VI. F ECTION UNCTION ARAMETER ESCRIPTION ECTION UNCTION ARAMETER ESCRIPTION 0: automatically clear after start inverter’s standard, motor rated currentis limited between 30%~120% of inverter 1: accumulate the time after start. rated current. y14: total time unit factory setting: 0 b05: motor un-load current factory setting: (y07×40%)A It sets the unit of the total time.
  • Page 45 VI. F ECTION UNCTION ARAMETER ESCRIPTION b13: motor parameter measurement factory setting: 0 Section VII. Fault Diagnosis and Solutions The parameter is set to achieve motor’s dynamic measurement of parameters. Please disconnect the motor and load(run without load). When b13=1, inverter start to measure parameters automatically. Problems Possible causes Solutions...
  • Page 46 Too much load overload raise the protection level. 8-1. Specification Inappropriate Modify the parameters of the functions parameter is set b01. 8-1-1. PI7800 specifications Checking voltage is right or not. Power voltage Light Load Standard Medium Heavy Frequency inverter rated voltage...
  • Page 47 VIII. S VIII. S ECTION TANDARD PECIFICATIONS ECTION TANDARD PECIFICATIONS 8-1-2. PI7600 specification 8-1-3. Table of rated current for different specifications Light Load Standard Medium Heavy Load G/F/H/S/Z/T/M Type Load G Load M Structur Inverter type 220V 220V 380V 460V e item 575V 660V...
  • Page 48 VIII. S VIII. S ECTION TANDARD PECIFICATIONS ECTION TANDARD PECIFICATIONS motor state display, stop, accelerate/decelerate, seven-speed, running state 8-2. Standard specification program running state items specifications fault output relay fault output: AC 250V 5A, DC 30V 5A Single-phase 200~240V,50/60Hz Three-phase 200~240V,50/60Hz 2 analog output, 8 signals could be selected: frequency, current, voltage, analog output Voltage and...
  • Page 49 VIII. S VIII. S ECTION TANDARD PECIFICATIONS ECTION TANDARD PECIFICATIONS 8-3 Sharp size Shape Installation dimension Gross Structure 8-3-1. PI7800 family (3phase voltage 380V~415V, 50/60Hz) Type Weight weight Keypad (kW) item 1. 1N2~1N3, 2N1~2N4 55~93 45~75 Ø10 JP6E7000 37~55 30~45...
  • Page 50 VIII. S VIII. S ECTION TANDARD PECIFICATIONS ECTION TANDARD PECIFICATIONS 2. 3N1 3. 3N2 wall-hooking installation hole A L A R M A L A R M S P E E D - S T A T U S F W D R E V S P E E D - S T A T U S F WD...
  • Page 51 VIII. S VIII. S ECTION TANDARD PECIFICATIONS ECTION TANDARD PECIFICATIONS 8-3-2 PI7600 4N3B Installation Shape Structure 1. 4N2B-4N4B Dimension Voltage Type (kW) weight weight Keypad item 2.2~4 2.2~4 1phase Ø5.5 4N3B 220 3.5 JP5E7000 220v 1.5~2.2 0.75~1.5 2.2~4 ℃ 2.2~4 F WD R EV AL ARM...
  • Page 52 VIII. S VIII. S ECTION TANDARD PECIFICATIONS ECTION TANDARD PECIFICATIONS 8-3-3. Keyboard size JP5E7000 Keyboard size JP6E7000/JP6C7000 Keyboard size ℃ ALARM RE V A LARM SPEED-STATUS DIGITAL OPERATOR STOP RESET DIGITAL OPERATOR DISPL STOP JP -08 DISPL RESET JP-07 Fixed on the panel, hole’s dimension：(131±0.1)×(70.8±0.1) Small keyboard box JP5D7000 dimension：...
  • Page 53 IX. M ECTION AINTENANCE Section IX. Maintenance 9-2. Periodically-Replaced Parts In order to ensure the operation reliability of the frequency converter, in addition to regular maintenance and inspection, all the parts suffering long-term 9-1 Inspection and Maintenance mechanical wear should be replaced at a regular interval, which includes all Under normal working conditions,in addition to daily inspection, the frequency cooling fans and the filtering capacitors of main circuits for energy buffer and converter should be subject to regular inspection (for example inspection for...
  • Page 54 X. O ECTION PTIONS Section X. Options AC reactance will be used in the following condition: ※ The capacity of power source is ten times more than the capacity of converter. The series can acquire the peripheral equipment by user because of the different ※...
  • Page 55 1000 40.0 1500 45.0 55.0 Please choose POWTRAN BRAKING UNIT if you need more braking torque. Please refer to the catalog of braking unit. 90.0 There is no braking unit inside the large capacity frequency converter. Please 10-3. Noise filter choose POWTRAN BRAKING UNIT if you need braking.
  • Page 56 1. PI7000 RS485 PPENDIX COMMUNICATION PROTOCOL Appendix 1. PI7000 RS485 communication protocol System config INV.#1 INV.#2 INV.#n RS232/485 Use introduce Converter This chapter introduces something about the install and handle of RS485 Comm. Comm. Comm. Terminal Terminal Terminal communication between inverter and PLC, PC, factory computer. Thinkpad RS485 standard interface can communicate with all computer...
  • Page 57 1. PI7000 RS485 1. PI7000 RS485 PPENDIX COMMUNICATION PROTOCOL PPENDIX COMMUNICATION PROTOCOL sends “3”＝33H。 Parameter The higher The byte is group byte data parameter number Command code function class: 00H=control the slave running 0~66 01H=read function parameter of the slave 0~15 02H=set function parameter of the slave 0~34...
  • Page 58 1. PI7000 RS485 1. PI7000 RS485 PPENDIX COMMUNICATION PROTOCOL PPENDIX COMMUNICATION PROTOCOL 0~17 Parameter The higher The byte is group byte data parameter number 0~15 0~66 Parameter The higher The byte is group byte data parameter number 0~15 (Set the 0~66 0~34 function...
  • Page 59 1. PI7000 RS485 1. PI7000 RS485 PPENDIX COMMUNICATION PROTOCOL PPENDIX COMMUNICATION PROTOCOL NOTE 1: NOTE 3: fault style code 01H reading operation 02H writing operation serial fault message number display y00 restore factory return 0 invalid operation OC_C OC signal from current self-inspected citcuit impact setting OCFA OC signal from drive circuit...
  • Page 60 1. PI7000 RS485 1. PI7000 RS485 PPENDIX COMMUNICATION PROTOCOL PPENDIX COMMUNICATION PROTOCOL The host command The data response by the slave=7EH+“08H”+“00H”+“00H”+“00H”+“88H”+0DH =7EH+“08H”+“02H”+“00H”+“02H”+“16H”+“A8H”+“6CH”+0DH Note: The italic is the check code, gained by the calculation of the check num. The check sum Check sum=30H+38H+30H+30H+30H+30H+30H+30H=0188H =30H+38H+30H+32H+30H+30H+30H+32H+31H+36H+41H+38H The data sent by the slave =7EH...
  • Page 61 1. PI7000 RS485 PPENDIX COMMUNICATION PROTOCOL +0DH Appendix 2. PG Instruction Example 4: read the history fault record If the host reads the fault style of history record 2 of the No.8 slave and the 7K-PG installation communication are normal, the host command and the slave response expresses as following: The host command =7EH+“08H”+“03H”+“01H”+“00H”+ “8CH”+0DH Note: The italic is the check code, gained by the calculation of the check num.
  • Page 62 2. PG I 2. PG I PPENDIX NSTRUCTION PPENDIX NSTRUCTION Terminal connection: A ->A+, B ->B+, Z ->Z+ 4: Voltage J4, 45, J6 are short circuited to OC R1, R2, R3 values depend on the complementary resistors. Terminal connection: A ->A+, B ->B+, Z ->Z+ J4/J5/J6 position and short circuit instruction: 2.

  • Page 63: Appendix 3. Converter Water Supply Controller Instruction

    3. C PPENDIX ONVERTER WATER SUPPLY CONTROLLER INSTRUCTION Appendix 3. Converter water supply controller instruction Dimension of water supply controller Application It is special appendix for multiple pumps, which run with PI7000 family inverter to control the multiple pumps water supply system effectively. Operation and connection notice: ◇...
  • Page 64 3. C 3. C PPENDIX ONVERTER WATER SUPPLY CONTROLLER INSTRUCTION PPENDIX ONVERTER WATER SUPPLY CONTROLLER INSTRUCTION Connection of water supply controller with inverter, the communniction cable and Connection of water supply controller with inverter power cable are connected as below: 4.1Istall RS485 on the control card, the installation of the RS485 is showed below: 7K-RS485_S with 7KLCB 7K-RS485 With 7KSCB...

  • Page 65: Terminal

    ONVERTER WATER SUPPLY CONTROLLER INSTRUCTION Pumps：4 convert pumps 15kW Set pressure: 0.8Mpa System diagram Pressure gage selection：pressure sensor，DC 4~20mA output，1.6Mpa Inverter selection： PI7800 015F3 and WSC_RS485 water supply control card Connections of hardware ZK Air switch KM Contactor JR Thermal relay...
  • Page 66 3. C PPENDIX ONVERTER WATER SUPPLY CONTROLLER INSTRUCTION 0.000 PID differential time PID proportion gain PID fault detect time( larger than detect time of pumps 300.0s shift) 10ms Detect filter time C01,C02 For energy saving Start pressure percentage running in the control system adjusting water pressure in the water supply...

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