Shielding
The shielding is an important component of the CDI cable. The shielding is used
to shield the data wires in the cable against electrical interferences from the en-
vironment. The shielding has to be connected to the potential equalization of the
devices to shield the data wires. In most cases, a connection via the RJ45 con-
nectors is sufficient.
Remove any collection of dirt from the shield surfaces of the RJ45 plugs before
plugging them in.
Fig. 10-11: RJ45 plug shielding areas
Additional shielding connection in case of strong electrical interferences and
long cables
In case of strong electrical interferences and long cable lengths, it can be re-
quired to additionally connect the shielding to the earthing potential.
Observe the following for an additional shielding connection:
●
Mount suitable EMC shielding clamp close to the control cabinet PC, the re-
mote operator display or the Y-repeater
●
Ensure that the CDI cable is not crimped when connecting the shielding to
the equipotential bonding
●
Avoid mechanical stress (tensile, compressive) on the plug
●
Use an EMC shielding clamp suitable for the cable diameter. Crimping the ca-
ble impairs the electrical properties of the CDI cable
To mount the shielding connection, proceed as follows:
1. Only remove the CDI cable jacket on the length required for the connec-
tion.
Bosch Rexroth AG
Mounting, demounting and electric installation
26/37
DOK-SUPPL*-VDPXX.3MTBU-IT03-EN-P
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