base exists, and then use 1.2 or 2.4 times <rated> as
maxVal
. You can use 2.4 times rated as
maxVal
, but as there is no way to propagate value to client, the use of a scale factor on
<rated> does not make much difference.
You can configure client:
client-scaled-max ::= 1.2 * <rated>
or
client-scaled-max ::= 1.0 * <maxVal>
If the client has a hard-coded gain of 1.2 * <rated> then
client-scaled-max ::=
1.2 times <maxVal>/1.2
Resolution is <maxVal> / 4095 and hence the lowest possible
maxVal
yields the best
accuracy.
Table 545:
I103MEAS supported indications
INF
Description
148
I_A
144, 145,
146, 148
I_B
148
I_C
147
IN, Neutral current
148
V_A
148
V_B
148
V_C
145, 146
V_A-V_B
147
UN, Neutral voltage
146, 148
P, active power
146, 148
Q, reactive power
148
f, frequency
Measurands in private range, I103MEASUSR
Number of instances: 3
Function type parameter for each block in private range.
Information number must be selected for measurands.
Section 18
1MRK 511 365-UUS A
Station communication
668
Phasor measurement unit RES670 2.1 ANSI
Technical manual
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