Interface Submodules - Siemens S5-155U System Manual

5.8

Interface Submodules

Using the interface
submodules
System Manual
C79000-B8576-C199-03
The second serial interface of the CPU 928B can be optionally used as:
• • A PG interface (for PG and operator panels)
• • An interface for the RK 512 computer link
• • An interface for data transmission with procedures 3964/3964R
• • An interface for data transmission with the "open driver"
• • An interface for data transmission via the SINEC L1 bus (from
Version 6ES5 928-3UB12)
The second serial interface of the CPU 948 can be used as:
• • A PG interface (for PG and operator panels)
To use the second interface as... you require
a PG interface
an interface for data transmission
with
RK 512 computer link,
procedures 3964/3964R
or "open driver"
an interface for data transmission
via the SINEC L1 bus

Interface Submodules

the PG submodule
the V.24 (RS 232C)
or TTY
or RS 422 A/485 submodule
(only in RS 422 A mode)
the SINEC L1 submodule
5
5 - 65