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Unread January 13th, 2020, 05:00 PM   #1
NewbieToPlcs
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Help Needed, please.

Anyone know what the Com+ 0 and Com- 0 are on the qbb at the bottom?

Thanks
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File Type: jpg Screenshot_20200113-214545_Drive.jpg (157 Bytes, 46 views)
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Unread January 14th, 2020, 04:31 AM   #2
parky
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your images did not come through,
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Unread January 14th, 2020, 10:17 AM   #3
danw
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A screenshot image needs context. What brand and model device are talking about and why are you asking?
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Unread January 14th, 2020, 10:34 AM   #4
harryting
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Ken gave really detailed answer here already:

http://www.plctalk.net/qanda/showthread.php?t=123272
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