Siemens S5-135U/155U - Manual (Page 211)

5-71
System Manual
C79000-G8576-C199-06
5.7 CPU 922
This section contains the hardware description and technical specifications of
the CPU 922 (also known as the R processor).
Details on programming can be found in the CPU 922 Programming Guide.
5.7.1 Technical Description
You can use the CPU 922 in single and multiprocessor operation in the
S5-135U/155U CC (see Chapter 6). Up to four CPUs can be used.
The CPU 922 is particularly suitable for word processing (closed-loop
control and arithmetic calculation). Binary signal processing is also possible.
The following program processing levels are possible:
S
Cyclic
S
Time-controlled (1 timebase)
S
Interrupt-driven (hardware interrupt).
The programming language is STEP 5.
The module is designed as a plug-in PCB of double Eurocard format. The
module provides the connection to the S5 bus via two backplane connectors.
The front plate width is 1 1/3 standard plug-in stations.
Application
Design
CPUs, Memory Cards, Memory Submodules, Interface Submodules