Fault in Siemens S7-200 module

2019-10-18View Original

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Is an output of around -15VDC from the EMAQ04 on a Siemens S7-200 indicative of a card fault?

Reply #22019-10-18

This post was last edited by zzllyp on 2019-10-18 at 16:01. Theoretically, there’s no problem, as the AO output is a constant current source; if the current is low, the voltage will also be low accordingly. If measuring the output current works fine, then there should be no issues

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Fault in Siemens S7-200 module

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