Configuring
S7-300 Programmable Controller Hardware and Installation
A5E00105492-01
4-3
Horizontal installationVertical installation
SF
BUSF
DC5V
FRCE
RUN
STOP
SIEMENS
PS CPU
SF
BUSF
DC
5V
FR
CE
RU
N
STO
P
S
IEM
EN
S
PS
CPU
Rack
(rails)
Figure 4-1 Horizontal and vertical installation
Further information on ...
• the selection and dimensions of profile rails (module racks) is found in Chapter
Module dimensions.
• connections and interfaces (IMs) are found in Chapter Arranging modules on
multiple module racks.
• the most important rules on S7-300 operation are found in the Appendix
General rules and regulations on S7-300 operation.
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