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IEC 60870-5-103 Interface
The GRD150 can support the IEC60870-5-103 communication protocol. This protocol is mainly
used when the relay communicates with a control system and is used to transfer the following
measurand and status data from the relay to the control system. (For details, see Appendix M.)
• Measurand data:
• Status data:
The IEC60870-5-103 function in the relay can be customized with the original software "IEC103
configurator". It runs on a personal computer (PC) connected to the relay, and can help setting of
Time-tagged messages, General command, Metering, etc. For details of the setting method, refer
to "IEC103 configurator" manual.
The protocol can be used through the RS485 port on the rear panel.
The relay supports two baud-rates 9.6kbps and 19.2kbps.
The data transfer from the relay can be blocked by the setting.
IN ALA
IN ALA
TRI
TRI
TES
TES
L
L
L
L
SE
SE
I O
I O
VI
VI
R
R
Ty
Ty
E
E
R
R
E
E
C
C
AB0
AB0
F F
F F
Detail of DSUB 9 Pin
CD 1
RD 2
TD 3
(*2)
DTR 4
GND 5
DSR 6
(*2)
RTS 7
CTS 8
(*1)
RI 9
Note (*1): The CTS of the converter must be set to "Mark" state because
(*2): The CTS of PC becomes a "Mark" state during communication.
current, voltage, active power, reactive power, frequency, latest
fault record data, counts such as trip, CB, DS etc., operation time
of devices, etc.
events, fault indications, etc.
IN ALA
IN ALA
TRI
TRI
TES
TES
L
L
I O
I O
L
L
SE
SE
VI
VI
RE
RE
Ty
Ty
E
E
R
R
E
E
C
C
AB0
AB0
F F
F F
the CTS of PC becomes a "Mark" state during communication.
If not, the transmission from PC is suspended.
Figure 4.4.1 Communication System
⎯
⎯
242
IN ALA
IN ALA
IN ALA
IN ALA
TRI
TRI
TRI
TRI
TES
TES
TES
TES
L
L
L
L
SE
SE
I O
I O
VI
VI
RE
RE
Ty
Ty
Ty
Ty
E
E
R
R
E
E
C
C
AB0
AB0
AB0
AB0
F F
F F
G1PR2 or
RS485/232 level converter
6 F 2 S 0 8 4 2
L
L
L
L
SE
SE
I O
I O
VI
VI
RE
RE
E
E
R
R
E
E
C
C
F F
F F
Twisted paired
cable
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