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PlasticsDude

4-20ma pressure transducer direct to CPU 224XP?

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Can I wire a pressure transducer directly into a CPU 224XP or will I need an EM231 module dedicated to this task? Thanks!

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224XP has 2 built in analog inputs. But they are -10V to +10V. Not current. So you still need the expansion module for analog inputs of a current type.

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But I guess I could just buy a -10V - +10V pressure transducer right?

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That would be one way, assuming you have not already invested in another. I've seen devices before to convert an analog signal to a voltage signal, but I would always side with buying the right device out of the gate before using a patch like a converter.

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You could use a 250 Ohm resistor if you have already purchased the 4-20mA transducer?

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