Active/Reactive/Apparent Power
Each phase 0 ~ ± 14KW/var/VA
Sum 0 ~ ± 42KW/var/VA
Power Factor
Each phase 0 ~ +1.000
Sum 0 ~ +1.000
Frequency
45 ~ 55Hz 45 ~ 55Hz
5.1.1 Voltage
SPM20 phase voltage range is 220V to which the user should pay attention, for prevent
from the circuits inside saturation which could make the measurement not correct.
Suggestion：It should clear away the power energy, for reopening the energy
accumulation, just after the wire connection mode.
5.1.2 Current
SPM20 current needs to be measured by monitoring module, with CTC (solid core
threading install) and CTO（split core buckle install）for the application option. CTC rated
current 5（63A），can measure the circuit with the maximum 63A；CTO rated current 10
（50A），can measure the circuit with the maximum 50A.
The user should pay attention to the current range of circuits in course of the design, to
prevent from the circuit saturation which cause the incorrect measurement.
5.2 Power Parameter
SPM20 active/reactive, input/output electrical degree, the maximum accumulation is till to
99999999.9, by showing one decimal place; And will automatically reverse when the
accumulation is to the maximum value.
5.3 Data setting alarm
SPM20 have custom data setting alarm system, for the electrical parameter monitoring by
according to the set. When there is some alarm event, it could be changed to the alarm
interface, for the alarm events checking and the reading of alarm types by the
communication; after the alarm event removed, the “ALARM” light is off, and the alarm
interface appear “NO-alarm”.
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