Barber-Colman GCMA-112-0-0-2 CPU Bus Circuit Board Card

The Barber-Colman GCMA-112-0-0-2 CPU Bus Circuit Board Card is the CPU module at the core of Barber-Colman's GCMA ASD-bus control systems, serving as the global controller that coordinates processing and communication across the GCMA hardware family. This variant is identified by the part number GCMA-112-0-0-2 and is also cataloged as GCMA112002, reflecting its role within the GCMA-112 family as a dedicated CPU board. Designed for installation in Barber-Colman GCMA controller assemblies, it interfaces with the ASD bus to execute control logic, manage data exchange with I/O modules, and support system synchronization in industrial automation environments. Common applications include process control and monitoring setups that rely on Barber-Colman's ASD-enabled hardware, where this CPU board functions as the central processing unit and communication hub for the GCMA network. In secondhand and surplus catalogs, variants like GCMA-112-0-0-2 are listed alongside other GCMA CPU boards, underscoring its role as a replaceable central processing unit within a GCMA controller system and its compatibility with related ASD bus modules.