Installation
30
A4500-1.1
HBM: public
WTX120
In the event of fluctuations in ground potential, a
balancing current may flow via the double-side shield. In
this case an additional equipotential bonding line must be
laid.
Important
Terminal designation: Some manufacturers of
components with RS485 ports designate the terminals
differently. According to the standard, the TxD+ / RxD+
port is designated 'B' and the TxD– / RxD– port 'A'.
Important
Cable: Always use twisted-pair cables! The surge
impedance of the cable should be approximately 150
W.
5.8
Connection of the PROFINET device
variant
Two RJ45 sockets are provided on the front for
connection to a PROFINET network. This enables a star
or linear topology to be constructed.
The internal switch required for a linear topology is
included in the WTX120.
Information
Cable length of a PROFINET segment without repeater
(switch) max. 80 m
Содержание WTX120
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