Siemens SIMATIC S7-1500 Automation System System Manual page 43

Preparing the 2000 mm mounting rail for installation
1. Cut the 2000 mm mounting rail to the required length.
2. Mark the holes. The necessary dimensions can be found in the above-mentioned table
3. Drill the marked holes according to the selected type of fastening.
4. Ensure that there are no burrs or shavings on the mounting rail.
Note
In order to ensure a secure installation of the modules, make sure that the drill holes are
located centrally on the identification groove, and that only screws of the maximum size are
used (see the above-mentioned table).
①
②
Figure 5-2
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 Minimum clearances in the control cabinet
(Page 40).
Screw the rail onto the mounting surface.
S7-1500 Automation System
System Manual, 01/2013, A5E03461182-01
"Dimensions for the drill holes":
– Two drill holes at the beginning and end of the mounting rail
– Additional drill holes at equal intervals of 500 mm maximum, along the identification
groove
Identification groove for additional drill holes
Additional drill hole
Preparing the 2000 mm mounting rail for installation
Installation
5.2 Installing the mounting rail
43