ABB Relion 670 Series Product Manual page 42

Line differential protection RED670 2.0
Product version: 2.0
communication (SPA, IEC 60870-5-103 and DNP3 port) and
one port is dedicated for LON communication.
Line data communication module LDCM
Each module has one optical port, one for each remote end to
which the IED communicates.
Alternative cards for Long range (1550 nm single mode),
Medium range (1310 nm single mode) and Short range (850 nm
multi mode) are available.
Galvanic X.21 line data communication module X.21-LDCM
The galvanic X.21 line data communication module is used for
connection to telecommunication equipment, for example
leased telephone lines. The module supports 64 kbit/s data
communication between IEDs.
Examples of applications:
• Line differential protection
• Binary signal transfer
Galvanic RS485 serial communication module
The Galvanic RS485 communication module (RS485) is used
for DNP3.0 and IEC 60870-5-103 communication. The module
has one RS485 communication port. The RS485 is a balanced
serial communication that can be used either in 2-wire or 4-wire
connections. A 2-wire connection uses the same signal for RX
and TX and is a multidrop communication with no dedicated
Master or slave. This variant requires however a control of the
output. The 4-wire connection has separated signals for RX and
TX multidrop communication with a dedicated Master and the
rest are slaves. No special control signal is needed in this case.
GPS time synchronization module GTM
This module includes a GPS receiver used for time
synchronization. The GPS has one SMA contact for connection
to an antenna. It also includes an optical PPS ST-connector
output.
IRIG-B Time synchronizing module
The IRIG-B time synchronizing module is used for accurate time
synchronizing of the IED from a station clock.
The Pulse Per Second (PPS) input shall be used for
synchronizing when IEC 61850-9-2LE is used.
Electrical (BNC) and optical connection (ST) for 0XX and 12X
IRIG-B support.
Transformer input module TRM
The transformer input module is used to galvanically separate
and adapt the secondary currents and voltages generated by
the measuring transformers. The module has twelve inputs in
different combinations of currents and voltage inputs.
Alternative connectors of Ring lug or Compression type can be
ordered.
42
High impedance resistor unit
The high impedance resistor unit, with resistors for pick-up
value setting and a voltage dependent resistor, is available in a
single phase unit and a three phase unit. Both are mounted on a
1/1 19 inch apparatus plate with compression type terminals.
Layout and dimensions
Dimensions
A
B
IEC08000163 V2 EN
Figure 17. Case with rear cover
1MRK505310-BEN C
E
D
C
IEC08000163-2-en.vsd
ABB