G4 mounting racks accept G4 digital I/O modules only and are available in 4-, 8-, 16-, 24- and 32-channel models. G4 digital input and output modules can be used in any combination on any G4 mounting rack. A model with screw terminals for both field and logic connections is available for custom application development, targeted at isolating non-isolated devices such as PLCs. G4 models are available for direct connection and connection to Opto 22 Classic brain boards.
Datasheet
