ABB REF 610 Technical Reference Manual page 131

1MRS 755535
Feeder Protection Relay
Technical Reference Manual - ANSI Version
Fig. 4.2.3.-1 Jumper location on the RS-485 communication module
Table 4.2.3-2 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 REF 610 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. 4.2.3.-2).
Table 4.2.3-3 Transmitter selection
Transmitter Position of jumper X6
Plastic X5.3-TX
Glass X5.4-TX
off
X3
on
off
X4
on
off
X5
on
RS_JumpersREF610_a
REF 610
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