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S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
A5E00105492-03
6-3
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For your S7-300 installation you require the tools and materials listed in the table
below.
Table 6-2 Installation tools and materials
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cutting the 2 m rail to length Standard tool
scribing and drilling holes on the 2 m rail Standard tool, 6.5 mm diameter drill bit
screw-mounting the rail wrench or screwdriver, matching the
selected fixing screws
diverse M6 screws (length depends on the
place of installation) with nuts and spring
lock washers
screw-fastening the modules on the rail screwdriver with 3.5 mm blade width
(cylindrical design)
pulling out the grounding slide contact in the
floating state
screwdriver with 3.5 mm blade width
(cylindrical design)
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rails are available in two versions:
• Ready-to-use, in four standard lengths (with 4 holes for fixing screws and
1 ground conductor bolt)
• Meter rail
This may be shortened to any length if unusual size attachments are required. It
has no holes for fixing screws and no ground conductor screw.
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You have prepared the 2 m rail for installation.
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