Network Router User Manual

Product Overview
1-3
Automation System S7-400 Hardware and Installation
A5E00850741-01
Components IllustrationFunction
PG cables ...connect a CPU to a
programming device.
PROFIBUS components
for example, PROFIBUS bus
terminal
... connect the S7-400 to other
S7-400 devices or programming
devices.
RS 485 repeaters ...amplify data signals on bus
lines and links bus segments.
Programming device (PG) or PC
with the STEP 7 software
package
...configures, programs, debugs,
and assigns parameters to the
S7-400.
Fan subassemblies
(for special areas of application)
...ventilates modules in special
cases; can be operated with or
without a filter.
Additional components of the S7-400 such as communications processors, function
modules, etc., are described in separate manuals.
Location of the order number and product version
The order number and product v ersion are printed on every module of the
SIMATIC S7-400. The firmware version is also printed on the CPUs. The following
figure shows their locations on a module.
For the product v ersion, an X is entered instead of the valid number. The following
figure shows a module with Product Version 1.
Product version
Abbreviated order number
(6ES7 ...)
Type label
Module designation
412-1XF04-0AB0
2
34
X
CPU 412-1
Firmware version
(in CPUs)
V4.0