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(v) Setting of Measurands
In Measurand frame of the IEC 60870-5-103 standard, numerical information such as power
system quantities are responded for Class 2 cyclic request from upper system (station). The
GR200-series relay can provide numerical information, which is converted the numerical
information in metering table according to user setting weight.
When the “Measurands” item is selected on the start screen of the GR-TIEMS, the
setting screen is displayed.
Figure 11.4-9 “Measurands” setting screen
Figure 11.4-10 “Measurand1” setting screen
In one frame of Measurand, the Type ID, INF, FUN settings, and its position setting
(Measurement Name/Measurement Description/Lower Limit/Upper Limit/Coefficient)
must be set. “No.” shows the position of power system quantity. (For details, describe later.)
The maximum 16 items of Measurands and the maximum 32 power system quantities per
one frame can be set.
Common address is linked with the address setting† of the relay.
†For more information, see
Appendix: IEC 60870-5-103 interoperability
.
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