Based on its typical nomenclature, the Allen-Bradley 1770-CD is likely a communication module or interface for their PLC systems. It facilitates reliable data exchange between controllers and industrial networks in demanding automation environments.
The Allen-Bradley 1794-TB3K is a terminal base unit for FLEX I/O modules. It features 20-pole screw clamp connections with keyswitch compatibility, providing secure field wiring termination and module mounting for industrial control system installations.
