Chapter 5 Configuring the EM720
Configuring the EN50160 Recorders
EM720 Power Quality and Revenue Meter
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the PQ recorder, then a second longer waveform will
be also recorded, synchronized with the fast transient
waveform.
You can temporary disable the PQ recorder in your device.
To enable or disable the PQ recorder:
1. Check or uncheck the Recorder Enabled checkbox.
2. Send your setting to the device.
Note that disabling the PQ recorder in your meter does not
affect the evaluation and recording of the EN50160 statistics.
Indication of Power Quality Events
When the PQ recorder detects a power quality fault, it
generates the specific internal event “PQ EVENT” that can be
monitored through a control setpoint. The event is asserted
all the time while the fault condition exists. The “PQ EVENT”
trigger is used to give a power quality fault indication via
relay contacts, or can be combined using the AND operator
with timer ticks for periodic data recording at the time of the
fault to produce voltage trending charts.
EN50160 Harmonics Limits Setup
This setup allows you to adjust compliance limits for
harmonic and interharmonic voltages.
To change the default limits in your device:
1. Select Memory/Log from the Meter Setup menu, and
then click on the EN50160 Harmonics Setup tab.
2. Adjust limits you want to change.
