OB Note
OB 122 Parameter assignment is different from that of the
CPU 928B OB 122
(reason: compatibility with CPU 946/947).
OB 180 In contrast to the CPU 928B, the access window of
the CPU 948 can only be shifted by a multiple of
16.
OB 200
OB 202 to 205
(multiprocessor
communication)
In contrast to the CPU 928B, these CPU 948 OBs
change the content of ACCU 4.
R64 controller software
The R64 controller software cannot be run on the CPU 948.
Standard FBs
Generally, the standard function blocks used on the CPU 928B (e.g.
for IPs) must be replaced by those for the CPU 948. The HDBs are an
exception these can be taken from the CPU 928B (see Section 1.8.1).
Converting User Programs of the CPU 928B for the CPU 948
CPU 948 Programming Guide
1 - 22 C79000-G8576-C848-04
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