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Model B controller (6000 Series) is the first MOD 300 controller introduced in 1984. Up to 12 controller modules can be supported by a single Controller subsystem. The controlller module performs the primary functions of data acquisition and control, including I/O processing,continuous control, interlocks. sequential control and communications. For applications requiring controller redundancy two options are available. Subsystem redundancy, referred to as 11 to 1, where one controller can back up a single subsystem or card file redundancy, 3 to 1, where one controller backs up a single card file of the three possible card files in a subsystem. Control processing is Configurable Control Functions (CCF) and Taylor Control Language (TCL). The only I/O option is Direct I/O with 16 analog inputs, 8 analog outputs and up to 48 digital ins or outs, channel selectable. The controller board and the I/O board are physicaly attached as a complete assembly.
The Model B controller is now in its Limited phase where it is not actively sold. New or reconditions hardware is available from Parts and Logistics. Software is being continually upgraded to ABB’s latest offering for the MOD 300 allowing Model B controller owners to move to ABB’s latest technology while maintaining their existing controller subsystems. A StepUp program is available as described in the Evolution section to upgrade to the latest AC400 Series if desired.
The Bulk I/O subsystem consists of various I/O modules inserted in a Mutlibus card file. The associated termination panels connect to these I/O modules via ribbon cables.
Bulk I/O is now in its Limited phase where it is not actively sold. A StepUp program is available as described in the Evolution section to upgrade to the latest AC400 Series if desired.