Siemens SIMATIC S5 CP 523 Manual page 234

CP 523
A.3 Feedback Information in Print Mode
Table A-5.
Byte 0
Bits
4 to 7 0 to 3
0 0 No error
X 1 Defective memory
submodule
X 2 No texts configured
X 3 Entries in job buffer
X 7 No battery backup
X 8 Job buffer/message
buffer full
0 F CP in restart routine
1 X Clock defective
2 X Default clock time set
3 X Time of day/date error
4 X Illegal job request
8 X Hardware fault
X= Signal state not significant for other half-byte
EWA 4NEB 811 6044-02a
Status of the Module in Print Mode (Byte 0) ( 6.6)
Status
Job buffer empty
No message texts configured on the memory
submodule
Either
- No battery has been inserted in the power
supply module or
- The battery is defective
The module cannot service any further print requests
at present.
The request must be repeated.
Message appears only on restart.
The clock data is invalid.
The module cannot accept any job requests.
Replace module
The clock is preset with the values Sunday, 1:1:90,
12:00:00.
At least one setting is outside the permissible range.
The clock has not accepted the new clock data and is
continuing with the current data.
You have submitted a request to the CP which is not
permissible in Print mode ( 6.7).
Replace module
Detailed Explanation
Summary
A-5