Siemens simatic ET 200MP, System Manual, Page: 42 / 126

Installation
5.2 Installing the mounting rail
ET 200MP Distributed I/O System
42
System Manual, 01/2013, A5E03723484-01
Required accessories
You can use the following screw types for fastening of the mounting rails:
Table 5- 1 Required accessories
For ... you can use ... Explanation
M6 cylinder head screw according to
ISO 1207/ISO 1580 (DIN 84/DIN 85)
•
Outer fixing screws
•
Additional fixing screws (for
mounting rails > 482.6 mm)
M6 hexagon bolt according to
ISO 4017 (DIN 4017)
Choose a suitable screw length for your
assembly.
You also need washers for cylinder
head screws with an internal diameter
of 6.4 mm and an external diameter of
11 mm in accordance with ISO 7092
(DIN 433).
Dimensions for the drill holes
The following table contains the dimensions for the mounting rail drill holes.
Table 5- 2 Dimensions for the drill holes
"Standard" mounting rails "Longer" mounting rails
D
E
a a
Length of the mounting
rails
Distance a Distance b
160 mm 10 mm 140 mm
482.6 mm 8.3 mm 466 mm
530 mm 15 mm 500 mm
830 mm 15 mm 800 mm
Additional fixing screws (for mounting rails > 530 mm)
For mounting rails > 530 mm we recommend setting additional fixing screws at intervals of ≤
500 mm on the identification groove.