![]() Whether its gluing, sealing, stamping, or assembling, each module has specific features to make programming and implementation quick and easy. Each module has such necessary features as speed compensation, output ANDing, and output enable/disable. The 8500 series modules contain up to 16 high speed I/O as well as 16 additional outputs through the module's backplane connection to the PLC. The 2541 provides 6 high speed inputs and outputs directly connected to the module. These programmable limit switch modules provide the high-speed switching capability of a PLS in combination with direct communication with the PLC.ĪMCI has created several versions of the programmable limit switch module. AMCI changed all of that by developing PLS modules for the SLC-500. program flow instructions includes updated references to the SLC 500. However a major drawback of the stand-alone PLS was that communicating with the PLC was difficult. Plc Programming Using Rslogix 500: A Practical Guide to Ladder Logic and the. (2) SLC 5/04 processors manufactured prior to April 2002 draw. 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. Actual scan times depend on your program size, instructions used, and the communication protocol.
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