In Reply to: Siemens PLC's posted by Steve on 01/13/01 at 2:24 PM:
actually i always play or use with ABB plc's, but now i already got a new job and this company use siemens s5 plc's
( cpu - 928B simatic s5 ). The manager of my new company have been ask me to solve this problem below:-
" Sometimes it will be running ok but suddenly the automation hang and all automation sequence or production process stop immediately.
Then all i/o like digital input and all signal blinking.
After we reset the cpu , sometimes ok but sometimes not. Why this problem happen and this problem always cause my head sicks.....
please inform me how to solve this kind of problem
i hope so much
please reply me as soon as possible
i'm sorry because my english is very bad