Condition Codes Indicating Problems - Siemens CPU 948 Programming Manual

Simatic s5 s5-155u
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11.5.4
Condition Codes Indicating
Problems
RS 50
Evaluating PAFE in RS 50
Significance of the PAFE
codes
CPU 948 Programming Guide
C79000-G8576-C848-04
Each of the maximum four CPUs (CPU 948), for which the PG
functions via the S5 bus are activated, writes condition codes to its RS
and RT areas if an error occurs in the PG functions via the S5 bus.
These condition codes consist of a parameter assignment error byte
(PAFE) for each possible connection and a condition code word
(ANZW) to indicate the current sequence of the transmit and receive
blocks. These codes largely correspond to those of the handling blocks.
PAFE codes set during the synchronization of the PG functions are
stored in system data word RS 50 (address E F032H).
The PAFE byte is always in the high byte of RS 50.
CPU no.
1
2
3
4
All errors are indicated which occur in the interaction with the
CP 143. The following PAFE codes are then set:
PAFE value
Significance
00H
No error
71H
Interface (page) does not exist
81H
Interface not ready
91H
Interface overloaded
A1H
Interface being used by a different CPU
B1H
Job number or field size illegal (FB SYNCHRON)
C1H
Interface not responding or not in time
D1H
Other interface errors, also error code for the CP
PG Functions via the S5 Bus
RS 50
high byte
low byte
PAFE
SSNR 234
PAFE
SSNR 235
PAFE
SSNR 238
PAFE
SSNR 239
RS 50
-
-
-
-
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