12V relay I/O board. Ideal for penumatic output control
12V relay I/O board
This is a relay board running on DC12V. The input signal can be set for high level (+) input or low level (-) through a jumper. Ideal for DSP output control interface such as air pump On/Off control. Support high or low signal triggering. It has both normally open and normally closed output.
DC+:dc power for the board
IN:dc trigger singal
NC,NO,COM:relay output(normally close/open)