1、The working voltage of the module is DC 12V and the working current is 14‑34MA. 2、There are 3 analog input channels and 1 switch input channel: Vi1 is 0‑5V voltage input, Vi2 is 0‑10V voltage input, Ii is 0‑20MA current input; DiP DiN is switch input port. 3、The voltage resolution is 0.01V, and the measurement accuracy is 1%; the current resolution is 0.01MA, and the measurement accuracy is 1%; if the error is greater than 1%, it can be calibrated. 4、High quality material can make sure the durability and stability of the product. 5、With professional design and reasonable structure, the module is easy to replace and install. Item Type: Analog‑to‑Digital Module Working Voltage: DC 12V (DC 12-25V recommended power supply with small ripple) Working Current: 14-34MA (related to the size of the output current) 3 Analog input channels, 1 switch input channel: Ii: 0-20MA current input DiP DiN: Switch input port (NPN/PNP photoelectric Isolated input) 3 Analog output channels, 1 switch output channel: Io: 0.5-20MA current output DoP DoN: Switch Output port (Maximum drive current 500MA, can directly drive relays and solenoid valves) Measurement Accuracy: 1% Current Resolution: 0.01MA Measurement Accuracy: 1% (If the error is greater than 1%, it can be calibrated.) 1 x Module