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S5 CPU 928 BASP LED continues glowing

10/13/2008 12:11 PM	Rate (0)
srik11 Posts: 10 Rating: (0)	Dear sir, Our system is CPU 135U with processor 928. Recently its power supply module 6ES5-955-3LF41 is failed. 24v,15v and 5 volts are failed. We given it to local electronics technician for repair. After repair we fixed itback. But there is a Stop LED and BASP LED on CPU. We made overall reset. Then it is ok. Again program loaded and kept plant for running . After two days again CPU PLC turned to STOP mode and BASP LED is glowing. Againsolved the problemas per above procedure. After two days again it is turned to STOP mode and BASP LED is glowing. How to resolve this problem. Advanced thanks. Regards srik
srik11 Posts: 10 Rating: (0)
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10/13/2008 2:45 PM	Rate (0)
playerslight Posts: 1064 Rating: (72)	can tou do a screen shot of the i stack with your and b stack to help you . please do this when the cpu goes into stop mode
playerslight Posts: 1064 Rating: (72)
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10/13/2008 7:36 PM	Rate (0)
JMJ Posts: 487 Rating: (45)	Yes, as playerslight suggested, we will need a i-stack info to find the reason for STOP. BASP just means that outputs are disabled, which will be ON whenever PLC goes to stop.
JMJ Posts: 487 Rating: (45)
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10/15/2008 6:39 AM	Rate (0)
srik11 Posts: 10 Rating: (0)	The following errors are the istack messages STP FE-STP NEUZU EINPROZ OB1GEL OBWECKA 32KWRAM URGELOE STP-VER ANL-ABB DB1-FE
srik11 Posts: 10 Rating: (0)
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11/11/2010 9:34 AM	Rate (0)
Babur Posts: 1 Rating: (0)	Hi, Would you please tell me how did you fix this problem?
Babur Posts: 1 Rating: (0)
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4/27/2018 6:43 AM	Rate (0)
Jen_Moderator Posts: 8171 Rating: (174)	New question published by hieppv is split to a separate thread with the subject S5 Delayed handshake from peripheral. Best regards Jen_Moderator
Jen_Moderator Posts: 8171 Rating: (174)
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