Multi-function I / O expansion card:
Increase 3 digital inputs, 2 digital outputs, two relay outputs, two analog voltage input T_Motor.
It applies to all models.
Modbus communication card:
One RS - 485 communication card, one CAN communication card.
Build-in Protection: lightning-proof, over current, over voltage, output phase protection, underrun, under voltage , short circuit, overheat and pumps run dry.
Humidity: 5~95%, no condensation
Altitude: 0~2000m de-rate 1%for e