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from the instrument department...
Siemens - s5 qvz
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some analogue inputs are magenta in monitoring system. it means no data from PLC. and QVZ alarm blinking. we replace the related analog cards but no change
| Posted by Cad  on 15 November, 2009 - 2:57 pm |
This is timeout error, I/O module not accessible......(may be wrong input access). If the cards are OK then, Restart the PLC and download the program again.
if you have EPROM , then make sure you got the latest program burnt on EPROM.
if you have EPROM , then make sure you got the latest program burnt on EPROM.
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