Programmable limit switch with distributed intelligence

Details Programmable limit switch with distributed intelligence Programmable limit switch with distributed intelligence

2005-06-28

2005-06-28

Knight, Anthony (Department: 2121)

Data processing: generic control systems or specific application

Generic control system, apparatus or process

Sequential or selective

C700S009000, C700S011000, C700S012000, C700S019000, C700S020000, C700S112000, C700S228000, C318S600000, C318S601000, C318S602000, C318S603000, C318S604000, C318S605000, C341S116000

Reexamination Certificate

active

06912427

ABSTRACT:
A programmable limit switch includes output channels for receiving position data, each position value of the position data representing an incremental advance of a workpiece through a production field, and for producing actuation signals. The channels are connectable to respective output devices responsive to the respective actuation signals and located in the field. Each output channel has an output controller, which is individually programmable to change the state of respective actuation signals in response to reaching selected position values. Preferably, the PLS includes input connectors coupled to a respective channel and connectable to respective input devices located within the production field. Each channel operates its own inputs and outputs according to a variety of programmed functions depending upon system conditions seen by the output controller.

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