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3 Installing Modules
This section describes how to install the base module and
the expansion modules.
3.1
Installation Guidelines
The S7-I/O device is designed either to be snapped onto a
standard DIN rail (DIN EN 50 022) or to be surface mounted.
Figure 3.1 shows dimensions for the DIN rail and Figure
3.2 shows physical dimensions of the base module.
.039 in.
(1.0 mm)
0.2 in.
(5 mm)
0.29 in.
(7.5 mm)
Figure 3.1 DIN Rail Dimensions
Siemens Energy & Automation, Inc.
1.38 in.
(35 mm)
1.0 in.
(25 mm)
3
Installing Modules
2.4 in.
(62 mm)
3.15 in.
(80 mm)
Base Module
2.4 in.
(62 mm)
3.15 in.
(80 mm)
Expansion Module
Figure 3.2 Physical Dimensions
A minimum panel depth of 75 mm (2.9 inches) is required to
mount the S7-I/O device inside a panel. Users who are
installing expansion modules, need an additional 25 mm (1
inch) clearance on the left side of the base module and on
the right side of the last attached expansion module to
attach and remove the expansion modules. A clearance of
65mm (2.5 inches) above and below the S7-I/O device is
required for convection cooling.
7.75 in.
(197 mm)
3.54 in.
(90 mm)
7
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