6.3
Connection information
Attention !
The unit must only be connected by a qualified electrician.
If faults cannot be eliminated, the device should be removed from operation and
protected against possible use.
Before connecting the device, be sure that the supply voltage is in agreement with
the value printed on the name plate.
Be sure that the earthing conductor is correctly connected. Error-free
operation is guaranteed only when the device is properly earthed.
Preparing bus lines
➜
Prepare the cables for the lead and continuation of the bus line as described
in Fig. 24. Guide the cables through the appropriate PG cable glands and
make the connection.
Shielding clamps
➜
Ensure that the bus cable shielding is connected at both ends and the clamps
for the shielding are tightened.
Strain relief
➜
For strain relief, finish by tightening the PG cable glands.
Fig. 24: Bus cable preparation and shielding connection
~25
~10
3
Circuit board
➀
➂
➁
➀
Strip approx. 25 mm of the cable
covering and shorten the mesh shielding
by 17 mm.
Strip 3 mm from the ends of the individual
wires.
➁
Fold the mesh shielding uniformly back
onto the cable covering.
➂
Clamp the shielding under the cable
clamp (conductive connection with the
housing).
32
DDLS 170
Leuze electronic