Electronic damage due to fastening elements
Danger of malfunction
If the fastening elements (screws, rivets,...) are too high, the bus base mod-
ules do not correctly engage on the mounting rail. Use only elements with a
structural height of up to 3 mm to fasten the mounting rail.
● Mounting position
To ensure air cooling in the device, mount the control only vertically as shown
in the following figure:
① Mounting surface
Fig. 10-2: Permitted mounting position
In the shown mounting position, the natural convection supports the forced
cooling air flow. Heat pockets can thus not result in the device.
● End clamp
Fasten end clamps on both sides of the IndraControl XM station (control, ex-
tension modules, S20 I/O modules).
End clamps guarantee the correct fastening of the XM2x control and the S20
I/O modules connected to them on the mounting rail and they are used as lat-
eral end elements.
Always fasten the left end clamp of the station before mounting the control.
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 S20 bus base modules.
– They have a counterpressure against the engaging forces when mounting
the S20 bus base modules in series to the control.
● Do not route cables parallel to motor cables or other strong interference sour-
ces to avoid coupling of interferences
● The cabling of the Ethernet wires may not leave the building
● The LED displays on the operating panel must not be covered
● Observe the bending radius of the cables used when laying the connecting
lines
● Use strain reliefs for all cables
IndraControl XM21, XM22 Controls
17/69
Mounting, demounting and electric installation
R911340667_Edition 04 Bosch Rexroth AG
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