4/8/2024 7:48 PM | |
Joined: 7/7/2010 Last visit: 8/30/2024 Posts: 15125 Rating:
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For your module, the manual (for me, at Analog input module AI 8xI 2-/4-wire BA (6ES7134-6GF00-0AA1) (siemens.com) ) states for I2+ (terminal 3), the 2nd (Analog common) wire should be connected to I2- (terminal 11). Perhaps you could use the analog common for both analog input and output by running a wire from the Analog common on the PF525 to a couple of jumpered terminals to make it easier to wire - and to troubleshoot.
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science guy |
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4/8/2024 11:05 PM | |
Joined: 3/22/2024 Last visit: 5/4/2024 Posts: 7 Rating:
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I debated that but the terminal 11 on the AI card is a Uv terminal and actually has 24VDC on it from the cards internal bus so we can't put it on the common of the VFD, since that needs to be ground.
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