7.11
Date Code 20170814
Instruction Manual
SEL-700G Relay
Communications
Communications Protocols
SEL Fast Meter.
This protocol supports binary messages to transfer
metering and digital element messages. Compressed ASCII commands
that support Fast Meter are described in SEL ASCII Protocol and
Commands, and the protocol is described in Appendix C: SEL
Communications Processors.
SEL Fast Operate.
This protocol supports binary messages to transfer
operation messages. The protocol is described in Appendix C: SEL
Communications Processors.
SEL Fast SER.
This protocol is used to receive binary Sequential Events
Record unsolicited responses. The protocol is described in
Appendix C: SEL Communications Processors.
SEL Event Messenger.
This is an SEL ASCII protocol with 8 Data bits, No
Parity, and 1 Stop bit for transmitting data to SEL-3010 Event
Messenger. You can change only the Communications Speed to match
the settings in the SEL-3010.
M
IRRORED
B
ITS
Protocol
The SEL-700G supports two M
IRRORED
B
ITS
communications channels,
designated A and B. Within each M
IRRORED
B
ITS
communications message
for a given channel (A or B), there are eight logical data channels (1–8). You
can, for example, set MBA on Port 3 of the base unit and MBB on Port 4A of
the optional communications card. Attempting to set the PROTO setting to
MBA, MB8A, or MBTA when channel A is already assigned to another port
(or MBB, MB8B, or MBTB when channel B is already assigned on another
port) results in the following error message:
This Mirrored Bits channel
is assigned to another port.
After displaying the error message, the
device returns to the PROTO setting for reentry.
C37.118 Protocol
The SEL-700G provides C37.118 protocol (synchrophasor data) support at
Ethernet Port 1 and any of the serial ports F, 2, 3, or 4. The protocol is
described in Appendix H: Synchrophasors.
Modbus RTU Protocol
The SEL-700G provides Modbus RTU support. Modbus is an optional
protocol described in Appendix E: Modbus RTU Communications.
DNP3 (Distributed Network Protocol)
The SEL-700G provides DNP3 protocol support if the option is selected. The
DNP3 protocol is described in Appendix D: DNP3 Communications.
DeviceNet Protocol
The SEL-700G provides DeviceNet Support. DeviceNet is an optional
protocol described in Appendix G: DeviceNet Communications.
Ethernet Protocols
As with other communications interfaces, you must choose a data exchange
protocol that operates over the Ethernet network link to exchange data. The
relay supports FTP, Telnet, Ping, Modbus/TCP, DNP3 LAN/WAN, C37.118
Protocol (synchrophasor data), and IEC 61850 protocols.
You should carefully design your Ethernet network to maximize reliability,
minimize system administration effort, and provide adequate security. Work
with a networking professional to design your substation Ethernet network.
Содержание SEL-700G Series
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