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problem with my 314ifm cpu...

Created by: naviid at: 8/23/2009 9:08 PM (3 Replies)

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8/23/2009 9:08 PM	Rate (0)
naviid Posts: 10 Rating: (0)	hello, i m facing a serious problem with my s7314ifm cpu..... i make a ladder logic program ... and it successfully downloads into the cpu but when i run it on the cpu the input goes high and the input LED on the cpu gets on ... but the cpu is not providng the output and the output LED remains off... although the simatic is monitoring the output address as high but the cpu is not giving the output .. i have 4 plc's which are making the same problem .. please help me out of it ...its quite serious for me... thanx in anticipation.
naviid Posts: 10 Rating: (0)
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8/23/2009 9:46 PM	Rate (0)
Gebhardt Karl Posts: 1502 Rating: (176)	Hi Please Check the Power-Connectors. I think, you have forgot the 0V or +24VDC for Inputs/Outputs. Karl
Gebhardt Karl Posts: 1502 Rating: (176)
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8/23/2009 11:48 PM	Rate (0)
naviid Posts: 10 Rating: (0)	no sir , i think there is no problem with the connections.... because.... a day before it was working perfectly .... and i have the same problem with 4 plc's ... and all the 4 are connected properly on a traner board ..... may be some other thing is troubling!!!
naviid Posts: 10 Rating: (0)
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8/24/2009 4:11 PM	Rate (0)
CS Moderator Moderator Joined: 9/1/2005 Last visit: 1/9/2026 Posts: 4114 Rating: (195)	closed cause question posted twice. The second thread with the subject 314ifm... digital outputs not working..is published within the conference SIMATIC S7-300 / S7-300F. Best regards CS Moderator
	My Forum is the place to personalize your profile, track your topics, and maintain content that interests you. Best regards CS Moderator
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