Programmable Limit Switch Controller PLC Module For
Allen-Bradley PLC-5

AMCI Model: #2700 Series

Industry began using programmable limit switches (PLS) as a direct replacement for mechanical cam switches because they are easier to set up and changes can be made quickly and easily. However interfacing a stand alone PLS to a Programmable Logic Controller (PLC) was difficult. AMCI solved this problem with the development of the 2700 series PLS modules.

These modules accept one or two resolver inputs and control limit switch outputs based on the resolver's position, the programmed on/off setpoints, and programmed speed compensation values. Most of these modules offer eight DC outputs directly from the module's front panel. However, the 2731M master module controls up to 64 external outputs over a high-speed serial interface.

These modules report position, velocity, and output status information to the PLC and are fully programmable either from the sealed keyboard or from the 1771 PLC. These modules also feature transducer and module fault diagnosis that is reported to the PLC.

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