11.4 Parallel Operation of Two Serial PG Interfaces
You can use the second interface on the CPU 948 (SI 2) as a PG
interface in exactly the same way as the first interface.
To be able to link your PG via this interface, you must also order the
PG interface module in addition to your CPU 948 (the order number is
listed in the system manual 135U/155U /2/).
All the PG functions are available on both interfaces. The following
sections contain only the information that you require if you work
with PGs or OPs on both interfaces simultaneously.
PG
SI1
SI2
PG
Interface
submodule
Fig. 11-3 Using the second interface as a PG interface
Parallel Operation of Two Serial PG Interfaces
CPU 948 Programming Guide
C79000-G8576-C848-04
11 - 17
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