Siemens S5-100U - Programmable Controller Design

S5-1OOU
Technical Description
2
Technical Description
This chapter describes the design and principle of operation for the S5-1OOU programmable
controller and its accessories.
2.1
Programmable Controller Design
The S5-1OOU belongs to the SIMATIC S5 range of programmable controllers. The S5-1 OOU
consists of various functional units (modules) that you can combine according to the task you want
to perform.
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0 Power supply module (PS 930)
This module is required if 24 V DC is not available for the CPU.
@ Central processing unit (CPU)
The CPU scans the control program.
In the event of a power failure, a backup battery located in
the battery compartment saves the memory contents (9).
The control program can be stored in a memory
submodule (7). The CPU has a serial port (8),
and you can connect a programmer, an operator panel, or a
SINEC L1 bus to it.
EWA 4NEB 8126120-02
2-1