1、In command mode, the product can support up to 247 devices in parallel, convenient to operate 2、With 3 analog output channels, 1 switch output channel, Vo1 is 0.05‑5V voltage output(&lt;20MA), Vo2 is 0.1‑10V voltage output (&lt;20MA), Io is 0.5‑20MA current output 3、DoP DoN is a switch output port with a maximum drive current of 500MA, which can directly drive relays and solenoid valves 4、With 3 analog input channels, 1 switch input channel, Vi1 is 0‑5V voltage input, Vi2 is 0‑10V voltage input, Ii is 0‑20MA current input 5、The DiP DiN is a switch input port, which is NPN / PNP optically isolated input Item Type: Analog Digital Input Output Module Working Voltage: DC 12 (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: Vi1 is 0-5V voltage input, Vi2 is 0-10V voltage input, Ii is 0-20MA current input; DiP DiN is switch input port (NPN/PNP photoelectric Isolated input) 3 Analog Output Channels, 1 Switch Output Channel: Vo1 is 0.05-5V voltage output (<20MA), Vo2 is 0.1-10V voltage output (<20MA), Io is 0.5-20MA current output; DoP DoN is switch Output port (maximum drive current 500MA, can directly drive relays and solenoid valves) 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 In addition to the computer serial port super terminal input, the instructions can also be input by PLC In command mode, up to 247 devices can be used in parallel DIN Rail Box Parameters: Product Model: UM72 Color: Green Width: Suitable for circuit board width UM72(72cm) Insulation Grade: Flame retardant VO grade Base Plate Length: Suitable for 60cm circuit boards Installation Method: DIM35 and C45 rail 1 x Module