Shenzhen Veikong Electric Co., Ltd.
Shenzhen Veikong Electric Co., Ltd.
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Variable Frequency Drive for three phase motor AC drive VFD frequency inverter
1. FAQ
1. who are we?
We are based in Shenzhen, China, start from 2012, sell to Africa(32.00%),Mid East(30.00%),Domestic Market(15.00%),Southeast Asia(15.00%),North America(2.00%),Western Europe(2.00%),Eastern Europe(2.00%),Northern Europe(2.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Solar pump inverter and Variable frequency inverter (VFD, VSD,AC motor drive)
2. Veikong VFD500 series General Technical Data For Reference
| Type | Terminal symbol | Terminal name | Terminal function description |
| Analog input voltage | +10V | Input voltage | 10.10V±1% |
| Analog input voltage | +10V | Input voltage | Maximum output current:10mA,it provides power supply to external potentiometer with resistance range of:1KΩ~51KΩ |
| Analog input voltage | GND | Ananog ground | Internal isolation from COM |
| Analog input voltage | AI1 | Analog input1 | Input voltage:0~10V:Impedance 22KΩ,Maximum input voltage |
| Analog input voltage | AI1 | Analog input1 | Input current:0~20mA:Impedance 500Ω,Maximum input current |
| Analog input voltage | AI1 | Analog input1 | Through the jumper switch AI1 0 ~ 10V and 0 ~ 20mA analog input switch, the factory default voltage input |
| Analog input voltage | AI2 | Analog input 2 | Input voltage:0~10V:Impedance 22KΩ,Maximum input voltage |
| Analog input voltage | AI2 | Analog input 2 | Input current:0~20mA:Impedance 500Ω,Maximum input current |
| Analog input voltage | AI2 | Analog input 2 | Through the jumper switch AI1 0 ~ 10V and 0 ~ 20mA analog input switch, the factory default voltage input |
| Analog input | AO1 | Analog output 1 | Output voltage:0~10V:Impedance ≥10KΩ |
| Analog input | AO1 | Analog output 1 | Output current:0~20mA:Impedance 200Ω~500Ω |
| Analog input | AO1 | Analog output 1 | Through the jumper switch AO1 0 ~ 10V and 0 ~ 20mA analog output switching, the factory default voltage output |
| Analog input | AO2 | Analog output 2 | Output voltage:0~10V:Impedance ≥10KΩ |
| Analog input | AO2 | Analog output 2 | Output current:0~20mA:Impedance 200Ω~500Ω |
| Analog input | AO2 | Analog output 2 | Through the jumper switch AO1 0 ~ 10V and 0 ~ 20mA analog output switching, the factory default voltage output. |
| Analog input | GND | Ananog ground | Internal isolation from COM |
3. The factory environment and manufacturing and testing process
4. Veikong variable frequency controllers product images