Wiring Diagram For Plc Analogue Input Card. Use a resistor across the current signal wiring appropriately to the plc analog input terminals. Sensor output wire is run straight to plc input.
Check the slot location according to the io address assignment document. Check module type and model number by inspection and on the io wiring diagram. The compactlogix plc used in this tutorial is equipped with a backplane which allows it to communicate to the cards.
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Sensor output wires are run to separate plc inputs. Module view and block diagram of the analog input output ai 4 ao scientific wiring diagrams plc dcs systems di do programming academy rslogix 500 circuits 0 10vdc 20ma tw controls training automation products signals techniques 5000 scaling tutorial for. How we are getting the input from the outer world and how plc is judging the inputs just by this voltage. The following figure shows the block diagram and an example for the terminal assignment of the analog input module ai 8xi 2 4 wire ba on the baseunit bu type a0a1.