Shenzhen Veikong Electric Co., Ltd.
Shenzhen Veikong Electric Co., Ltd.
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MPPT 99% MPPT VFD Solar Pump Inverter GPRS And Dry Run Protection Function Support
1. Outstanding product features of VFD500-PV series
Special feature:
Support Maximum mppt efficiency 99%
Special solar mppt mode and PID modeSupport LCD display
Support GPRS remote control
Support IM AND PM pump
Support hybrid AC and DC
Support Marco mode
Support dry run protection
Support full water and low water protection
Support one button to switch AC
2. Veikong VFD500-PV control circuit terminal instruction
| Type | Terminal symbol | Terminal name | Terminal function description |
| Switch input | +24V | +24V current | 24V±10%,Internal isolation from GND |
| Maximum output current:200mA | |||
| To provide 24V power supply, generally used as a digital input and output terminal power supply and external sensor power | |||
| PLC | Digital input terminal common | The factory default setting is connected PLC with +24V Terminal for on-off input high and low level switch | |
| When using the external signal to drive DI1~DI5, it will disconnect the connector slip of PLC with the +24V | |||
| COM | +24V ground | Internal isolation from GND | |
| DI1~DI4 | Digital input terminal 1~4 | Optocoupler isolation, compatible with bipolar input | |
| Optocoupler isolation, compatible with bipolar input | |||
| Voltage range:10V~30V |
3. Veikong solar pump inverter in the control panel
4. VFD500-PV series product brochure and user manual download here
VEIKONG VFD500-PV Hybrid Solar pumping inverter us...
VEIKONG solar pump inverter brochure.pdf
5. Veikong company profile
Shenzhen Veikong Electric CO.,Ltd. a high-tech enterprisewhich has been specializing in researching, manufacturing andtrading high, medium and low voltage inverter, providing our clientswith integrated system solutions. We have professional R&D anddevoted management team with more than 20 years' experience oftheoretical research, product development and qualitymanagement.Veikong also is one of the first independent AC drivescompany in China. We adopt SPWM, sensorless vector controland vector and torque control technology in our VFD series invert-ers, which has reached the international advanced standard. Theproducts can directly replace and be equivalent of Europe and theUnited States, Japan and other brands, providing customers with apowerful technical support. We have achieved popularity and quali-fication in VFD industry. Quality is the life of enterprise.