To ensure EMC safety, connect all shieldings directly at the control cabinet
entrance to a common FE ground line.
The shielding connection set for the S20 modules may not be set for
the extension modules.
● Mounting location
The extension modules have the degree of protection IP 20 and are thus in-
tended for use in a closed control cabinet or control box (terminal box) of the
degree of protection IP 54 or higher.
● Mounting rail
Mount the extension modules on a 35 mm standard mounting rail. The prefer-
red overall height of the mounting rail is 7.5 mm (corresponds to TH 35-7.5
acc. to EN 60715).
Mount the extension modules and the extension bus base modules as descri-
bed in this chapter.
Install the extension modules on a horizontally mounted mounting rail.
The fastening distance of the mounting rails may not exceed 200 mm. This
distance is required to ensure stability while mounting and demounting the
control or the extension modules.
Fig. 10-2: Mounting rail fastening (in mm)
Electronic damage due to fastening elements
of the mounting rail
If screws and rivets are too high on the mounting rail, the bus base modules
do not really engage on the mounting rail. Use only screws and rivets with a
structural height of up to 3 mm to fasten the mounting rail.
● End clamp
– Fasten end clamps on both sides of the IndraControl XM station. End
clamps guarantee the correct fastening of the control and the modules con-
nected to them on the mounting rail and they are used as lateral end ele-
ments.
– Always fasten the left end clamp of the station before mounting the con-
trol. This ensures the following:
– It impedes the shifting of the control.
– The installation place for the end clamps is guaranteed.
– If the control has to be replaced, there is sufficient space to separate
the control from the bus base modules.
Extension Modules Profibus, RT-
Ethernet, Sercos, CAN
Bosch Rexroth AG
Mounting, demounting and electric installationI
DOK-CONTRL-XFE**EXTMOD-IT04-EN-P
17/37
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