OPTO 22 G4LC32ISASER Serial Adapter Controller Board

Opto 22 G4PB16H Control Board with 13 x G4 DC Input 10-32 VDC, 5 VDC Logic

OPTO 22 G4LC32ISASER CONTROLLER BOARD UNMP

OPTO 22 G4PB16T FIELD CONTROL BOARD

Opto 22 G4PB16H Control Board with (16) Pin Relay G4 ODC5(R) Output Dry Contact

Opto 22 G4LC32SER Classic Serial Adapter For G4LC32SX

Opto-22 G4PB16H Control Board with 8 G4 IAC5 5Volt Logic Modules and 8 G4 AOC 5

Opto 22 G4B100 PCB Mistic 16-Channel Brain Control Board Digital I/O