119
X3
X4
X5
off
on
off
on
off
on
A040334
Fig. 5.2.2.-1
Jumper location on the RS-485 communication module
Table 5.2.2.-2
RS-485 rear connector
Terminal
Function
X5.5-6
Data A (+)
X5.5-5
Data B (-)
X5.5-4
Signal GND (for potential balancing)
X5.5-3
-
X5.5-2
Shield GND (via capacitor)
X5.5-1
Shield GND
Combined fibre-optic connection (plastic and glass)
If the relay is provided with the optional fibre-optic communication module
for plastic and glass fibre, the plastic fibre-optic cables are connected to
terminals X5.3-RX (Receiver) and X5.3-TX (Transmitter) and the glass fibre-
optic cables to terminals X5.4-RX (Receiver) and X5.4-TX (Transmitter).
The fibre-optic interface is selected with jumpers X6 and X2 located on the
PCB of the communication module (see Fig. 5.2.2.-2).
1MRS755972
Voltage Relay
Technical Reference Manual - ANSI Version
REU 610
Summary of Contents for REU 610
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