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Posted

nd this is what i find difficult to understand.  Normally I connect my two-wire sensor to + 24V and i.e. input CH1 (on picture), but this looks like the sensor shall connect +24V to CH1 and the low side to 0V ?

 

image.png.f172fca92dde64a978be2af4158fc94e.png

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Posted
13 hours ago, micapp said:

See enclosed picture. Is this correct use of analog input?

And on second picture: Is this the correct use of analog output?

Yes* and yes.

The manual is clearly wrong.  The Ethernet I/O is not a Unitronics-manufactured product, and the manual is not an original complete creation of the Unitronics documentation department.  It is a modified re-issue of what the manufacturer supplied.

So somebody missed something.  Too many late nights and deadlines on the tech writers, I would suspect.

Thanks for pointing this out.  Flex has already flagged Cara Levy the Documentation Queen so hopefully it gets corrected and updated soon.

Joe T.

 

* - that is correct for a two-wire device.  Some devices require separate power and generate their own current rather than modulating their supply.

Posted
19 hours ago, micapp said:

nd this is what i find difficult to understand.  Normally I connect my two-wire sensor to + 24V and i.e. input CH1 (on picture), but this looks like the sensor shall connect +24V to CH1 and the low side to 0V ?

 

image.png.f172fca92dde64a978be2af4158fc94e.png

I think this is about analog OUTPUT , and it is corect .

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