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4-20ma output

1 article tagged “4-20ma output”.

Flat vector diagram of a PLC analog output module wired to a control valve positioner on a 4-20 mA loop and a VFD on a 0-10 V voltage output channel
analog output wiring4-20ma outputplc wiring

PLC Analog Output Wiring: 4-20 mA and 0-10 V

Step-by-step guide to wiring PLC analog outputs: 4-20 mA current loops and 0-10 V voltage signals, with real wiring gotchas, load limits and field-verified tips.

Aug 3, 2026 · 11 min read

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