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Just use the 4-20ma sensor devices on one of the 0-10Vdc inputs by placing a 250 Ohm resistor between PLC terminal 4 (i6-7) and terminal 8 or 9 (i6 or i7)(whichever one you chose to put the 4-20 device on).  This will give you a 1-5 volt input from a 4-20ma output device.  Or a 500 ohm resistor will give you a 2-10v signal from a 4-20ma device.  you would scale the input the same way you would a regular 4-20ma device if you use the 500 ohm resistor.




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