1 Working voltage: DC 12V (6-24V)2 Working current: 10-16MA3 MODBUS RTU 03 06 16 control mode4 Three functional modes can be by jumpers: 8 channel input/8 channel output/4 input 4 output5 Input mode: support 33V/5V TTL level input, there are two input modes: low level input (default) and high level inputIn output mode: 5V TTL level, low level (default)/high level outputIn MODBUS mode, it can support up to 247 devices to be used in parallelInput port status supports query (default) and automatic reportingThe default baud rate is 9600BPS, which can be configured to support 1200 2400 4800 19200 baud rateApplicationAutomated industry PLCDigital in to RS485/RS485 to Digital out,Home Automation ;Identification system;CCTV Camera PTZ Control;Security system;LED dot screen;RS485 remote control;Colour:GreenMaterial:PlasticsSize: 44x31x15mmWeight: no Pin:9 gramsPackage Contents:1 x input Output moduleOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.