7i77 analog out 5

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7 years 8 months ago #126570 by mpvriens
Replied by mpvriens on topic 7i77 analog out 5
100 ohms

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7 years 8 months ago #126571 by PCW
Replied by PCW on topic 7i77 analog out 5
umm that cant be right...

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7 years 8 months ago #126575 by Todd Zuercher
Replied by Todd Zuercher on topic 7i77 analog out 5

mpvriens wrote: 100 ohms


Should be more like 100 thousand ohms.

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7 years 8 months ago #126577 by tommylight
Replied by tommylight on topic 7i77 analog out 5
That might be the other analog input meant for 0-20mA current, but it looks to low even for that.
Does the drive have another "sollvert" input? Try that one if it does.
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7 years 8 months ago #126581 by PCW
Replied by PCW on topic 7i77 analog out 5

tommylight wrote: That might be the other analog input meant for 0-20mA current, but it looks to low even for that.
Does the drive have another "sollvert" input? Try that one if it does.


That does sound like a likely explanation...
The following user(s) said Thank You: tommylight

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7 years 8 months ago #126814 by mpvriens
Replied by mpvriens on topic 7i77 analog out 5
Did some test on the 7i77 analog output4 : when put and resistor of 10Kohn on the output en setp to 5 volt, the output drops to 3 volt, if i put a resistor of 12kohm on the output the voltage keeps correct 5 volt

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