Mounting screws
Choose one of the following types of screw to mount the mounting rail:
Table 5-5 Mounting screws
For you can use... Explanation
Outer mounting screws M6 cylinder-head screw per ISO
1207/ISO 1580 (DIN 84/DIN 85)
Select a screw length that is ap‐
propriate to your configuration
You also need 6.4 mm washers
per ISO 7092 (DIN 433)
M6 hexagonal screw per ISO
4017 (DIN 4017)
Additional mounting screw (2-
meter mounting rail only)
M6 cylinder-head screw to ISO
1207/ISO 1580 (DIN 84/DIN 85)
Installing mounting rails
Install the mounting rails as follows:
1. Fit the mounting rail in a position that will allow enough room for the modules to be installed
and for the heat to dissipate (a minimum of 40 mm above and below the mounting rail; see
Figure "Clearance distances").
2. Screw the mounting rail onto the surface where it is to be affixed (screw size: M6). Is this
substrate a grounded metal plate or a grounded equipment mounting plate?
If so: make sure that there is a low-resistance connection between the mounting rail and
the substrate. Use suitable electro-lubricant or contact washers with painted and anodized
metals, for example.
If not: no special action required.
3. Connect the mounting rail with the protective conductor. An M6 protective conductor screw
is provided on the mounting rail for this purpose.
Minimum cross-section of protective conductor line: 10 mm
2
.
Note
Always make sure that there is a low-resistance connection to the protective conductor
(see figure below). If the rack is mounted on a movable frame, for example, make sure that
the line to the protective conductor is flexible.
Configuring and installing
5.3 Installing
SIMOTION C
84 Operating Instructions, 11/2016, A5E33441428B
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