Installation
5.2 Installing the mounting rail
S7-1500 Automation System
44 System Manual, 01/2013, A5E03461182-01
Attaching the protective conductor
The S7-1500 automation system has to be connected to the protective conductor system of
the electrical system to ensure electrical safety.
1. Strip the grounding conductor with a minimum diameter of 10 mm
2
and attach a ring
terminal for size M6 bolts with the crimping pliers.
2. Slide the enclosed bolt into the T profile groove.
3. Insert the spacer, ring terminal with the grounding connector, flat washer, and lock
washer onto the bolt (in that order). Thread the hexagon head nut, and fasten the
components in place with the nut (torque 4 Nm).
7SURILOHJURRYH
Figure 5-3 Attaching the protective conductor
4. Connect the opposite end of the grounding cable to the central grounding point /
protective conductor busbar (PE).
Reference
Additional information on the precise dimensions of the mounting rails can be found in the
Dimension drawings of the mounting rails (Page 175
) section.
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