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Sourcing Device with Sinking Output Module Circuit
Features of an I/O Module

TM-5-3895-374-24-1 Paving Machine Bituminous Material: Crawler Mounted Diesel Engine Driven Manual
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TM 5-3895-374-24-1 Chapter 6 Wiring Your I/O Modules Preparing Your Wiring Layout    Careful  wire  routing  within  the  enclosure  helps  to  cut  down  electrical  noise between I/O lines Follow these rules for routing your wires. • Route incoming power to the controller by a separate path from wiring to I/O   devices   Where   paths   must   cross,   their   intersection   should   be perpendicular. Important: Do not run signal or communications wiring and power wiring in the same conduit. • If wiring ducts are used, allow for at least two inches between I/O wiring ducts and the controller.  If the terminal strips are used for I/O wring, allow for at least two inches between the terminal strips and the controller. • Segregate I/O wiring by signal type.  Bundle wiring  with  similar  electrical characteristics together. Wires with different signal characteristics should be routed into the enclosure by separate paths. ATTENTION: If the controller is being installed within a potentially hazardous environment (that is, Class I, Division 2), all wiring must comply with the requirements stated in the National Electrical Code 501-4 (b). (page 3-420)







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