Opto 22 G4RD Remote Digital 16-Channel Multifunction Brain, mistic Protocol

Opto 22 G4PB16H Control Board with 16 x G4 DC Input 10-32 VDC, 5 VDC Logic

G4LC32ISA - OPTO 22 - ISA CONTROLER

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

Opto 22 G4LC32SX Opto 22 Classic SX Controller for FactoryFloor systems

OPTO 22 G4PB16T FIELD CONTROL BOARD

OPTO-22 G4PB16I G4 16-channel I/O Module Rack Isolated Control With Fuses

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