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Connection
Fig. 9: Data line connection [mm]
u Strip the data line.
u Strip the conductors 10 mm.
u Connect the protective screening and twisted
wire pairs to the plug connector (included in the
scope of delivery).
u Insert the plug connector into XG2.
Terminal (XG2)
Connection
7
A
8
B
9
GND
u Comply with the connection data.
1 "4 Technical data" [} 11]
u Route the line as shown in the illustration above
and secure it to the marked components using
cable ties (included in the scope of delivery).
u Use a cable tie to fix all wire pairs in place.
u Insulate the unused wire pairs (contact guard).
Attaching termination resistors at the ends of the
data line (optional)
If it is not possible to establish a stable connection
with the Modbus subscribers, we recommend ter-
minating both ends of the data line using 120 Ohm
resistors. Terminating the ends will reduce reflec-
20
tions and increase communication stability. The
need for terminating the ends of wires is dependent
on the installation environment (e.g. cable length,
number of Modbus subscribers). For this reason, it
is not possible to provide a general specification re-
garding the use of termination resistors.
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1
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