Siemens SIMATIC S5 Manual page 343

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S5-115F Manual
Error
Con-
Error Message Text
Identi-
sec.
fier
No.
Progr.
252
11
QVZ on CP 523:
I/O module error
Additional info 1:
Module address
EWA 4NEB 811 6149-02
Possible Cause
Error group No. 19
-
Module defective
-
Wrong module address set on
CP 523
PLC Error Messages
Remedy
-
Replace module
-
Check module address
Warm restart:
1. Stop/Run
B-83

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