Holes For Mounting The 2 M Rail - Siemens CPU 313C Hardware And Installation Manual

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1. Cut the 2 m rail to the required length.
2. Mark out:
four bores for the fixing screws (for dimensions refer to "Dimensions for
–
fixing holes")
one hole for the protective conductor bolt.
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3. If the length of your rail exceeds 830 mm, you must stabilize it by providing
additional holes for fixing it with more screws.
Mark out these holes along the groove in the middle section of the rail (see the
Figure below). The pitch should be approx. 500 mm.
4. Drill the marked holes to a diameter of 6.5
5. Attach an M6 screw for fixing the ground conductor.
Figure 6-1 Holes for mounting the 2 m rail
 Hole for ground conductor screw
 Groove for drilling additional holes for mounting screws
Hole for mounting screw

 Additional hole for mounting screw
 Hole for mounting screw
6-4
2
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S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
+0.2
mm for M6 screws.
3
4
5
A5E00105492-03