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Why 24 vdc OUTPUT in s7-1200 dont work?

Created by: Bill1777 at: 2/17/2012 9:15 AM (2 Replies)

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2/17/2012 9:15 AM	Rate (0)
Bill1777 Bronze Member Joined: 4/30/2011 Last visit: 1/9/2022 Posts: 223 Rating: (4)	Why 24 vdc OUTPUT in s7-1200 dont work? Do I need to program it? Tks

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2/17/2012 11:02 AM	Rate (0)
Marcjan Platinum Member Joined: 4/22/2010 Last visit: 12/15/2022 Posts: 5697 Rating: (701)	Hello, Do you mean the Sensor output? That should work without programming. It can get defect easy, only 300 400mA current is allowed and the supply must never be put in paralel with external power supply. Regards, Marcjan
	Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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2/17/2012 2:20 PM	Rate (0)
0_Einstein Diamond Expert Joined: 7/7/2010 Last visit: 2/6/2023 Posts: 13082 Rating: (2124)	AndyNeva Why 24 vdc OUTPUT in s7-1200 dont work? Do I need to program it? Tks Your question is very confusing. Perhaps if you describe the hardware / software / wiring and what PLC logic you wrote to respond to inputs and generate outputs, it might help. The outputs do work fine once programmed to respond to program logic, provided it is wired properly of course.
	science guy
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