Remote Communication - ABB REL670 Product Manual

Line distance protection REL670 2.2
Product version: 2.2
Function commands for IEC 60870-5-103 I103CMD
I103CMD is a command function block in control direction with
pre-defined output signals. The signals are in steady state, not
pulsed, and stored in the IED in case of restart.
IED commands for IEC 60870-5-103 I103IEDCMD
I103IEDCMD is a command block in control direction with
defined IED functions. All outputs are pulsed and they are NOT
stored. Pulse-time is a hidden parameter.
Function commands user-defined for IEC 60870-5-103
I103USRCMD
I103USRCMD is a command block in control direction with
user-defined output signals. These function blocks include the
FunctionType parameter for each block in the private range,
Information number parameter for each output signal.
and the
Function commands generic for IEC 60870-5-103
I103GENCMD
I103GENCMD is used for transmitting generic commands over
IEC 60870-5-103. The function has two output signals,
CMD_OFF and CMD_ON, that can be used to implement
double-point command schemes.
The I103GENCMD component can be configured as either 2
pulsed ON/OFF or 2 steady ON/OFF outputs. The ON output is
pulsed with a command with value 2, while the OFF output is
pulsed with a command with value 1. If in steady mode is ON
asserted and OFF deasserted with command 2 and vice versa
with command 1.
IED commands with position and select for IEC 60870-5-103
I103POSCMD
I103POSCMD has double-point position indicators that are
getting the position value as an integer (for example, from the
POSITION output of the SCSWI function block) and sending it
over IEC 60870-5-103 (1=OPEN; 2=CLOSE). The standard
does not define the use of values 0 and 3. However, when
connected to a switching device, these values are transmitted.
The BLOCK input will block only the signals in monitoring
direction (the position information), not the commands via IEC
60870-5-103. The SELECT input is used to indicate that the
monitored apparatus has been selected (in a select-before-
operate type of control).
DNP3.0 communication protocol
An electrical RS485 serial port, optical serial ports on the serial
communication module (SLM), optical Ethernet ports are
available for DNP3.0 communication. DNP3.0 Level 2
communication with unsolicited events, time synchronization
and disturbance reporting is provided for communication to
RTUs, Gateways or HMI systems.
Multiple command and transmit
When IEDs are used in Substation Automation systems with
LON, SPA or IEC 60870-5-103 communication protocols, the
Event and Multiple Command function blocks are used as the
ABB
communication interface for vertical communication to station
HMI and gateway, and as interface for horizontal peer-to-peer
communication (over LON only).

21. Remote communication

Analog and binary signal transfer to remote end
Three analog and eight binary signals can be exchanged
between two IEDs. This functionality is mainly used for the line
differential protection. However it can be used in other products
as well. An IED can communicate with up to 4 remote IEDs.
Binary signal transfer
The remote end data communication is used for the
transmission of analog values for line differential protection or
for the transmission of only binary signals between IEDs. The
binary signals are freely configurable and can thus be used for
any purpose, such as communication scheme related signals,
transfer trip and/or other binary signals between IEDs.
Communication between two IEDs requires that each IED is
equipped with a Line Data Communication Module (LCDM). The
LDCM then acts as an interface to 64 kbit/s and 2Mbit/s
communication channels for duplex communication between
the IEDs. In 2Mbit/s mode, each LDCM can send and receive
up to 9 analog and up to 192 binary signals simultaneously. In
64kbit/s mode, the LDCM can be configured to work in either
analog mode or binary mode. In analog mode, the IED can send
and receive up to 3 analog signals and up to 8 binary signals. In
binary mode, the LDCM can send and receive only binary data
(up to 192 binary signals).
The IED can be equipped with up to two short range, medium
range or long range LDCMs.
Line data communication module, short, medium and long
range LDCM
The line data communication module (LDCM) is used for
communication between the IEDs situated at a distance <110
km/68 miles or from the IED to the optical-to-electrical
converter with G.703 or G.703E1 interface located at a
distance < 3 km/1.9 miles away. The LDCM module sends and
receives data to and from another LDCM module. The IEEE/
ANSI C37.94 standard format is used.
Galvanic interface G.703 resp G.703E1
The external galvanic data communication converter G.703/G.
703E1 makes an optical-to-galvanic conversion for connection
to a multiplexer. These units are designed for 64 kbit/s resp
2Mbit/s operation. The converter is delivered with 19" rack
mounting accessories.
1MRK 506 372-BEN -
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