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6 F 2 S 0 8 5 7
G1PR2
Twisted paired
cable
Figure 4.4.1.1 Relay Setting and Monitoring System (1)
PC
HUB.
UTP cable
(10Base-T or
100Base TX)
100/110/115/120V
214B-1
3
-1
0
Other
relays
Relay
Figure 4.4.1.2 Relay Setting and Monitoring System (2)
4.4.2 IEC 60870-5-103 Interface
The relay can support the IEC60870-5-103 communication protocol. This protocol is mainly used
when the relay communicates with substation automation system and is used to transfer the
following measurand, status data and general command from the relay to the control system.
• Measurand data: current, voltage, frequency
• Status data: events, fault indications, etc.
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. For the default setting of IEC60870-5-103, see Appendix N.
The protocol can be used through the RS485 port on the relay rear panel and can be also used
through the optional fibre optical interface.
The relay supports two baud-rates 9.6kbps and 19.2kbps.
The data transfer from the relay can be blocked by the setting.
For the settings, see the Section 4.2.6.4.