Configuration Variants of the S7-400
6-4
Automation System S7-400 Configuration and Use
A5E0044271 1-02
Component ImageFunction
PROFIBUS bus cable PROFIBUS bus cables connect
CPUs and programming devices.
Programming device cable Programming device cables con-
nect a CPU with a programming
device.
PROFIBUS components
e.g. PROFIBUS bus terminal
PROFIBUS components con-
nects an S7-400 to other
S7-400s or programming de-
vices.
RS 485 repeater The RS 485 repeater boosts
data signals on bus lines and
couples bus segments.
Programming device (PG) o r PC
with the STEP 7 software pack-
age
STEP 7 is u sed to configure, as-
sign parameters, program and
test the S7-400.
Fan subassembly
(for special areas of application)
The fan subassembly ventilates
modules in special applications;
it can be operated with or without
a filter.
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