Installing The Mounting Rail - Siemens Simatic S7-300 CPU 31xC Series Installation And Operating Instructions Manual

Tools required and material
To install the S7-300, you require the tools and materials listed in the table below.
Table 5-2
You require ...
cutting the 2 m rail to length
scribing and drilling holes on the 2 m rail
screw-mounting the rail
screw-fastening the modules on the rail
pulling out the grounding slide contact to achieve
ungrounded state
5.2

Installing the mounting rail

Mounting rail versions available
• Ready-to-use, four standard lengths (with 4 holes for fixing screws and 1 ground
• One meter mounting rail
Requirements
Prepare the 2 m mounting rail for installation.
S7-300, CPU 31xC and CPU 31x: Installation
Operating Instructions, Edition 08/2004, A5E00105492-05
Installation tools and materials
conductor bolt)
May be shortened to any special length. Supplied without holes for fixing screws and
without ground conductor bolt.
5.2 Installing the mounting rail
for ...
commonly available tool
commonly available tool, 6.5 mm diameter drill bit
wrench or screwdriver, matching the selected
fixing screws
diverse M6 screws (length depends on the place
of installation) with nuts and spring lock washers
screwdriver with 3.5 mm blade width (cylindrical
design)
screwdriver with 3.5 mm blade width (cylindrical
design)
Installing
5-3