Working voltage: 12V DC (6-24V) 2 Working current: 10-16MA 3 MODBUS RTU 03 06 16 command control mode 4 Three functional modes can be selected by jumpers: 8 input channels / 8 output channels / 4 inputs 4 outputs 5 Input mode: Supports 3.3V/5V TTL level input, there are two input modes: low level input (default) and high level input In output mode: 5V TTL level, low level (default) / high level output In MODBUS command mode, it can support up to 247 devices to be used in parallel The input port status supports query (default) and automatic reporting The default baud rate is 9600, which can be configured to support a baud rate of 1200 2400 4800 19200 Application Automated industrial PLC Digital to RS485/RS485 to digital out Smart home, home automation; Identification system; CCTV camera PTZ control; Security system; LED dot matrix display; RS485 remote control; Color:Green Material:Plastics Size:44x31x15mm Weight: without Pin:18 grams Package Contents: 2 x Input Output Module Only the