Siemens SIMATIC S7-1500/ET 200MP System Manual page 131

Installation
6.2 Installing the mounting rail
Note
To ensure secure installation of the modules, make sure you position the drill holes centered
on the identification groove and only use screws of the maximum size.
①
②
Figure 6-2
Installing the mounting rail
Place the mounting rail such that sufficient space remains for installation of and heat
dissipation from the modules. Note the figure Figure 6-1 Minimum clearances in the control
cabinet (Page 126).
Screw the rail onto the mounting surface.
Attaching the protective conductor
The S7-1500 automation system/ ET 200MP distributed I/O system has to be connected to the
protective conductor system of the electrical system to ensure electrical safety.
Proceed as follows to connect the protective conductor:
1. Strip the ground conductor with a minimum diameter of 10 mm
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 on the hexagon nut. Fasten the components in place
with the nut (tightening torque 4 Nm).
130
Identification groove for additional drill holes
Additional drill hole
Preparing the 2000 mm mounting rail for installation
. Attach a ring cable lug for
2
Automation system
System Manual, 01/2023, A5E03461182-AK