Mounting Modules - Siemens SIMATIC ET 200AL System Manual

Distributed i/o system
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4.2

Mounting modules

Introduction
The modules of the ET 200AL distributed I/O system are designed for installation on a level,
firm surface.
Thanks to the axisymmetrical drill holes in the modules, you have the option to fasten the
modules on an aluminum profile using tee nuts.
The following images shows the aluminum profile on which you can mount the modules.
Figure 4-1
Required tools
For installation, you need a screwdriver or an Allen wrench.
Required screws
The following table shows and explains the screw types required to mount the modules.
Table 4- 1
Screw type
Socket head cap screw M4 according to DIN EN
ISO 1207 / DIN EN ISO 1580
Hexagon socket head cap screw M4 according to
DIN EN ISO 4762
Distributed I/O system
System Manual, 08/2019, A5E31861578-AG
Aluminum profile
Recommended screws
Explanation
The screw length must be at least 30 mm.
If you need washers, use DIN EN ISO 7089/DIN
EN ISO 7090 washers.
Mounting
4.2 Mounting modules
21

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