95
Waveform is enabled, both event logging and waveform capture will be
implemented at the same time once a voltage sag happens.
4) Voltage Swell Triggering
As mentioned in Voltage Swell event logging, when Voltage Swell Triggering
Waveform is enabled, both event logging and waveform capture will be
implemented at the same time once a voltage swell happens.
5) Over-current Triggering
When Over-current Triggering is enabled, if any phase of the three phase
current is higher than the set value (rated value x thredshold %), the waveform
capture will be implemented. If one phase is over-current, any other phase over-
current cannot implement the waveform capture. Only when all of the phase
current restore back to normal, waveform capture will be responding.
4. Waveform Capture Retrieve
In Modbus address section, only one group of waveform is saved. When there
is waveform data and it is being retrieved, firstly write group number 1-8 into
Waveform Group Number for Retrieving address(0X801FH), the group number
written in must be smaller or equal to the Newest Waveform Group Number,
otherwise the writing operation will be invalid and the desired waveform
cannot be retrieved. After the group number is written correctly, read waveform
data addresses (0X8020H-0X8C2FH) in order to get the written group number
waveform data.
The relationship between voltage waveform value and real value:
Real Value(unit: V)= Waveform Value x 0.420675
The relationship between current waveform value and real value:
Real Value(unit: V)== Waveform Value x 0.01463866
The voltage and current value obtained from the waveform are the PT or CT
Shop for Power Metering products online at:
1.877.766.5412
www.
PowerMeterStore
.com
Содержание Acuvim II
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