Table of Contents
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FOREWORD
Thank you for using AC70E series inverter produced by Veichi Electric Co.Ltd
AC70E series inverter is a new generation of high-performance mini -frequency inverter independently
developed by Veichi, With advanced control method and rich function design. Users will be satisfied by
the simplified PLC, PID adjustor, programming I/O terminal, RS485 interface, analog I/O terminal, and
other specific control functions for particular industries in the benefit of AC70E
This manual is the supporting data sheet for AC70E
This instruction manual includes save tips, instructions (messages) of installing wiring, keyboard
operation, simple function table, troubleshooting, maintenance only. For parameters setting detail, pls
read AC70 general used series manual or consult us. For the best results and safe operations with the
AC70 series, carefully read and keep this manual. Make sure it is handy for the ultimate user of the
inverters for reference.
To receive technical support related to the inverter, please contact the Veichi sales office or the dealer
from whom you purchased. You can also contact our Customer Service Center, and we will try our
best to help you.
We are sparing no effort to upgrade our products and regret not to issue prior notification if there is any
revision to this instruction manual. Pray for your consideration for the inconveniences
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Table of Contents
Summary of Contents for Veichi Electric AC70E-S2-R40G
- Page 1 FOREWORD Thank you for using AC70E series inverter produced by Veichi Electric Co.Ltd AC70E series inverter is a new generation of high-performance mini -frequency inverter independently developed by Veichi, With advanced control method and rich function design. Users will be satisfied by...
- Page 2 Chapter 1: Summarize 1.1 Safety requirements and cautions To ensure safety of your health, equipment and property, please read this chapter carefully before use the frequency inverter and act in compliance with the instructions while carrying, installing, debugging, running and overhauling frequency inverter.
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Page 3: Before Use
by Veich can maintain the products. They should be very familiar with the safety warning and operation gist in this manual. 1.2 Before use Pls check whether any package damage while receiving the product you ordered. If the package is ok, pls open it and check the inverter. - Page 4 Ratted Ratted Model Max motor Model Max motor current current AC70E-S2-R40G 0.4kW 2.5A AC70E-T3-R75G 0.75kW 2.3A AC70E-S2-R75G 0.75kW AC70E-T3-1R5G 1.5kW 3.7A AC70E-S2-1R5G 1.5kW AC70E-T3-2R2G 2.2kW AC70E-S2-2R2G 2.2kW AC70E-T3-3R7G 3.7kW 8.5A Product technique specifications Items Specifications Single phase 220V 50/60Hz Voltage/frequency...
- Page 5 Relay output, the collector output, 0-10V output, 4-20mA output, External output signal the frequency pulse output Overvoltage, undervoltage, current limiting, over-current, Protection function overload, electric thermal relays, overheat, pressure stall, data protection Setting Function number/data Output frequency, give frequency, output current, input voltage, Running output voltage, motor speed, PID feedback, quantitative PID, module temperature, input and output terminal...
- Page 6 possible. Meantime, the filter must earth reliably as the inverter. ● Build noise filter at the output side to reduce radio interference and inductive disturbance. The noise filter must be as close to the inverter output terminal as possible. Meantime, the filter must earth reliably as the inverter.
- Page 7 Chapter 2: Installation 2.1 Inverter stable running environment Install environment is very important to the best use of this product for long time. Pls install this product in the enviorment as the folling chart requirement. Environment Requirement Install place Indoor without direct sunshine hanging type Install temperature cabinet type...
- Page 8 ● Installation direction and space Single machine installation: to ensure enough ventilation and wiring space for inverter cooling, please follow installation conditions as below.It should adopts hanging style or closet style with upright installation and keeps enough space with surroundings or the wall. Multi inverters paratactic installation: while install multi inverters in cabinet, please ensure installation space as below.
- Page 9 2.3 Dimension of inverter and keyboard INSTALLATION MODEL APERTURE AC70E-S2-R40G AC70E-S2-R75G AC70E-S2-1R5G 142.5 129.5 ф5 AC70E-T3-R75G AC70E-T3-1R5G AC70E-S2-2R2G ф6...
- Page 10 AC70E-T3-2R2G AC70E-T3-3R7G Keyboard dimension (unit: mm) 2.5 Electric installation This chapter explains the regulations that users have to obey aimed to ensuring safe use, best performance and reliable running. Note:Analog monitor output is special output of meters such as frequcy meter, current meter, voltage meter and etc.
- Page 11 0.2--10kHz frequency output 0--20mA current output 4--20mA current output 0--10V voltage output ● Suggested braking resistance Single-phase 220V Single-phase 220V Motor Resistance Resistance Braking Motor Resistance Resistance Braking power value power moment power value power moment 0.75 0.4 kW 100W 100% 150W 100%...
- Page 12 Terminal Name Function definition Normally-open Can set the action and object by programme. contact Max contact capacity: 3A/240VAC Collector Can set the action and object by programme. Max contact capacity:DC30V/50mA open output Auxiliary +24V power output + Max output: 24VDC/100mA Auxiliary power output - Forward...
- Page 13 Chapter 3: Keyboard and Operation Keyboard layout and function specification Key functions Key name Enter menu while standby or running.Press this key to return while Menu key modify parameter. While standby or running, press for 1 sec to enter monitorning interface. Press to modify parameter while in menu interface.Press again to Confirm/modif confirm aftr modify.
- Page 14 Indicating lamp meaning specification Name State Meaning Flashing display value is given frequency. display value is output frequency. display value is output current actual value. display value is input voltage. Unit Flashing display value is output voltage. indicators When "Hz" indicator and the "A" indicator light at the same time, display value is the motor speed.
- Page 15 Chapter 4: Functional Parameter Table Here only simple parameter table. For details, pls read AC70 series manual or consult us. “●”:Means that the parameter can be revised during frequency inverter in a running state. “ ”:Means that the parameter can not be revised during frequency inverter in a running state. “×”:Means that the parameters can only be read and can not be changed.
- Page 16 0: Operator keypad digital 1: Potentiometer of keypad 2: Terminal VS1 analog voltage 0-10V 3: Terminal AS analog current signal 4 20mA Frequency reference given 4: Terminal VS2 analog voltage -10 E-03 103H auxiliary channel selection 5: Pulse train signal 6: RS485 communication port 7: Up and Down control 8: General PID operation...
- Page 17 ● E-11 Lower limit frequency 0.00 Upper limit frequency 0.00Hz 10BH Lower limit frequency running 0: Stop ● E-12 10CH mode 1: running with lower limit freqeuncy ● E-13 Acceleration time 1 0.1 6500.0s 10DH ● E-14 Deceleration time 1 10EH 0.1 6500.0s LED unit digit: decelerate...
- Page 18 LED unit Digit: Associate of carrier frequency and output frequency configure. 0: Output frequency associate is disabled. 1: Output frequency associate is enabled. LED tens digit: Associate of carrier frequency and module temperature configure. 0: Module temperature associate is ● E-21 Carrier characteristic 1010...
- Page 19 LED unit digit: Starting mode selection. 0:Starts from starting frequency 1: DC braking first, and then start from starting frequency 2: Restart after speed search LED tens digit: Reserve LED Hundreds digit: Speed E-30 Starting mode selection 11EH search direction 0: Speed search performs only in running direction 1: bi-direction speed search...
- Page 20 LED unit digit: Overvoltage protecting selection during deceleration 0: Disable 1 Enable LED ten digit: Output phase missing protection 0: Disable 1 Enable Inverter protecting mode ● E-49 LED hundred digit: Input phase 131H 0 11 selection missing protection 0: Disable 1 Enable LED thousand digit: Inverter overload, over heat protect mode selection.
- Page 21 ● E-65 Factory password 0 9999 141H 0: Null operation ● E-66 Information inquiry 1: State monitoring inquiry 142H 2: Fault information inquiry LED unit digit: Overvoltage interference suppression 0: Disable 1: Enable LED ten digital: SC interference suppression 0: Disable 1: SC interference suppression 1 2: SC interference suppression 2 LED hundred digital: over current...
- Page 22 14:Acceleration/deceleration time selection terminal 1. 15:Acceleration/deceleration time F-04 Input signal selection 4 X4 204H selection terminal 2 16: Frequency main channel selection terminal 1 17: Frequency main channel selection terminal 2 18: Frequency main channel F-05 Input signal selection 5 (X5 205H selection terminal 3 19: Frequency main channel...
- Page 23 LED unit digit: Free stop terminal recover mode 0: Recover to original command with speed search function. 1:Don’t recover to original command after free stop terminal disconnecting. 2: Recover to original command without speed search function. LED ten digit: UP and DW terminal control starting frequency setting 0: Runs with UP/DW terminal adjusting without save the frequency...
- Page 24 ● 2 step speed setting 2X 25.00Hz F-10 20AH ● 3 step speed setting 3X 40.00Hz F-11 20BH ● 4 step speed setting 4X 50.00Hz F-12 20CH 0.00Hz upper limit frequency ● 5 step speed setting 5X 50.00Hz F-13 20DH ●...
- Page 25 16. PID feedback lower limit alarm 17. Sensor broken rogram running cycle completed ● Output terminal Y2 F-32 220H 19.Program running step completed 20:Dynamic braking processing 21: Output terminal control by external Frequency arriving detect bias ● F-33 0.00 50.00Hz 1.00Hz 221H Output frequency level...
- Page 26 ● AS terminal input current gain F-52 0.01 5.00 1.00 234H Pulse input frequency lower ● 0.00KHz F-53 0.00KHz F-54 235H limit Pulse input frequency upper ● 10.00KHz F-54 F-53 50.00KHz 236H limit ● Pulse input frequency gain F-55 0.01 5.00 1.00 237H Input lower limit correspond...
- Page 27 LED unit digit: A02 output signal mode selection 0: Frequency pulse train output 1: 0 20mA 2: 4 20mA 3: 0 10V ● LED ten digit: A01 output signal Analog output signal selection 0003 23EH F-62 mode selection 0: 0 10V 1: 0 20mA 2: 4 20mA LED hundred digit: Reserve...
- Page 28 0: Positive characteristic H-11 PID output characteristic 30BH 1: Negative characteristic 0: Keypad potentiometer 1: PID keypad digital given 2: External terminal VS1:0-10V PID controller given signal H-12 30CH 3: External terminal AS: 4 20mA sources 4: External terminal VS2 5: External pulse signal 6: RS485 interface 0: External terminal VS1:0-10V...
- Page 29 0: Running at the first step speed 1: Continue to run with breakpoint Program run breakpoint H-33 running frequency and retiming. 321H restore mode selection 2: Continue to run with the breakpoint running frequency and residual time. Program running state power 0: NO power down memory H-34 322H...
- Page 30 0: Null operation. H-62 Motor auto tuning selection 33EH Rotational motor auto tuning. Stationary auto tuning Motor magnetic saturation ● H-63 0 9999 33FH coefficient 1 Motor magnetic saturation ● H-64 340H 0 9999 coefficient 2 Motor magnetic saturation ● H-65 341H 0 9999...
- Page 31 Chapter 5: Fault Information and Troubleshooting Keyboard Fault Fault type Possible causes Treatment display code Power supply is too low Check input power,clear fault. Too low voltae Voltage detection circuit is Seek support from factory. L.U.1 while stop abnormal Power supply is too low Power capacitance is too Check input power,clear fault.
- Page 32 speedover-cur Power grid voltage is too low. rent Check input power,clear fault. V/F curve setting is not Reset V/F curve or torque suitable. Or torque boost too high. boost value. Power grid voltage is too low. Check input power,clear fault. incorrect overload protection Unreasonable F5.06 setting.
- Page 33 Electromagnetic disturb in re-input and save. 93SE Memory fault memory period. Seek support from factory. EEPROM damage. LIFE Reserved Seek support from factory. Check 3phase input power Input phase and phase. ERR1 3 input phase missing missing Check 3phase input power wiring.
- Page 34 Chapter 6: Overhaul and Maintenance During frequency inverter normal operation, except for daily inspections, periodic (such as machine overhaul or inspections at least every six months as required) inspections must be performed according to the following table, to preven t trouble before it happens. Inspectio Inspecti Inspection...
- Page 35 If the frequency inverter is not in use immediately after purchased, and need to be temporarily stored or long-term stored up, pls obey belowing rules: 1 Frequency inverter should be stored in the place with standard temperature range fine ventilation and no humidity dust or metal dust.
- Page 36 Chapter 7: Quality Guarantee This product quality guarantee is processed as the follows items: Users can enjoy the following “three guarantee” service from the day of buying products if meeting products quality problem: 1 We guarantee for repair, return and replacement for one month after delivery; 2 We guarantee for repair and replacement for two months after delivery;...
- Page 37 Appendix 1.Monitor inquiry Select this function to enter monitoring menu group C parameters and inquire each state parameters of the frequency inverter. In the monitoring state, you can long press (1 second) PRG key and directly enter the state of the group C parameters which namely is the state monitoring. Monitoring Communication Content...
- Page 38 C-26 Inverter rated voltage C1AH C-27 Inverter rated current 0.1A C1BH C-28 Software version C1CH Input terminal connect/disconnect state schematic diagram 5 ( 9 W H U P L Q D O V W D J H ; W H U P L Q D O V W D J H ;...
- Page 39 For details, pls see fault Er.01 The latest fault information E01H information code table The cumulative running time before the Er.02 Units hour E02H latest fault Er.03 Output frequency while the latest fault Units Hz E03H Er.04 DC bus voltage while the latest fault Units V E04H Er.05...