11.5.4
Condition Codes Indicating
Problems
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.
RS 50
PAFE codes set during the synchronization of the PG functions are
stored in system data word RS 50 (address E F032H).
Evaluating PAFE in RS 50
The PAFE byte is always in the high byte of RS 50.
CPU no. RS 50
high byte
RS 50
low byte
1 PAFE
SSNR 234
-
2 PAFE
SSNR 235
-
3 PAFE
SSNR 238
-
4 PAFE
SSNR 239
-
Significance of the PAFE
codes
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
CPU 948 Programming Guide
C79000-G8576-C848-04
11 - 35
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