DECS-200 Modbus™ Communication 7-23
Registers Data Description Access
Data
Format
47946-47
Exciter open diode ripple pickup level, adjustable from 0% to 100%
in 0.1% increments.
RW R32-23
47948-49
Exciter open diode time delay, adjustable from 10 to 60 seconds in
0.1 second increments.
RW R32-23
47950
Exciter open diode protection enable: 0 = disabled / 1 = enabled RW UI16
47951-52
Exciter shorted diode ripple pickup level, adjustable from 0% to
100% in 0.1% increments.
RW R32-23
47953-54
Exciter shorted diode time delay, adjustable from 5 to 30 seconds in
0.1 second increments.
RW R32-23
47955
Exciter shorted diode protection enable: 0 = disabled / 1 = enabled RW UI16
47956-57
Exciter diode protection disable level, adjustable from 0% to 100% of
rated exciter field current in 0.1% increments.
RW R32_23
47958
Loss of field alarm enable: 0 = disabled, 1 = enabled RW UI16
47959-60
Loss of field level, adjustable from 0 to 3,000 Mvar in 1 kvar
increments
RW R32_23
47961-62
Loss of field delay (in seconds): adjustable from 0.1 to 9.9 seconds RW R32_23
47963 to
47980
Reserved for future C10 data Not
supported
Not
defined
Holding Registers for Information Category C11
Table 7-21. Information Category C11 (Calibration related Parameters)
Registers Data Description Access
Data
Format
47981 to
48040
Reserved for future C11 data Not
supported
Not
defined
Holding Registers for Information Category C12
Table 7-22. Information Category C12 (Relay Parameters)
Registers Data Description Access
Data
Format
48041
Annunciation enable for Relay 1: 0 = disabled, 1 = enabled
b0 = field overvoltage, b1 = field overcurrent, b2 = gen. Undervoltage,
b3 = gen. Overvoltage, b4 = underfrequency, b5 = in OEL, b6 = in
UEL, b7 = in FCR mode, b8 = loss of sensing voltage, b9 = setpoint
at lower limit, b10 = setpoint at upper limit, b11 = unassigned, b12 =
gen. Below 10 Hz, b13 = field overtemperature, b14, b15 are
unassigned.
RW UI16
48042
Annunciation enable for Relay 1: 0 = disabled, 1 = enabled b0 = loss
of field, b1 = in SCL, b2-b15 are unassigned
RW UI16
48043
Reserved RW UI16
48044
Reserved RW UI16
48045
Reserved RW UI16
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