IntroductionRS232 relay and sensor board with programming guild, connect computer to relay output upto maximum 4 output and 4 input sensor connector. Relay Always on or always off status after received command fro the PC. Come with optional RS485 communication protocol. Support upto 24VDC relay. Dry contact relay inputFeatureIdeal for Industry AutomationAllow 24x7 operationTo be use with AGen