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PG Functions via the S5 Bus
RT area
11 - 36
Meaning of the code 71H:
The code 71H means that the page does not exist. If this error occurs,
the PG functions cannot be used via the S5 bus. In this case, check the
interface assignment of the CP 143. Interface numbers 232ff or 236ff
must be set (jumpers and SYSID!).
If the pages for PG functions exist and the connection to the CP 143 is
established, an information field consisting of 16 words is set up in the
RT area of the CPU 948 with the structure shown below.
Note
As long as there is no connection to the CP 143 (PAFE = 71), e.g.
because there is no page with SSNR 232ff or 236ff, no additional
information is stored in the RT area.
Address
E F2E8H
Data sent from CPU to PG for
interface 234 or 238
E F2E9H
Data sent from CPU to PG for
interface 235 or 239
E F2EAH
E F2EBH
E F2ECH
Data sent from PG to CPU for
interface 234 or 238
E F2EDH
Data sent from PG to CPU for
interface 235 or 239
E F2EEH
E F2EFH
E F2F0H
reserved
E F2F1H
reserved
E F2F2H
reserved
E F2F3H
reserved
E F2F4H
reserved
E F2F5H
reserved
E F2F6H
reserved
E F2F7H
reserved
reserved
reserved
reserved
reserved
PAFE 234
reserved
PAFE 235
reserved
PAFE 238
reserved
PAFE 239
reserved
CPU 948 Programming Guide
C79000-G8576-C848-04
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