ND 5790-1 61-830 instructions
Setup options:
Setup Screen
The SETUP menu accesses the nominal voltage, monitoring standard, time, date
and reset options. Press ENTER while SETUP is highlighted to display the Set
Nominal/Set Standard screen.
Setting Nominal Voltage and Standard
There are 8 nominal voltage selections available to cover a broad range of coun-
tries and applications. The default voltage is 120V. Highlight Set Nominal and
press ENTER to highlight the current voltage setting.
Press Up/Down arrow to scroll through nominal voltages available. Nominal set-
tings are 100, 110, 120, 200, 208, 220, 230 and 240V. Press ENTER to change the
nominal voltage setting which will affect the event recordings. Press LEFT ARROW
to escape out of the selection menu without changing the setting.
Setting the Monitoring Standard
There are several standard options. The default standard is the ITIC . This standard
is suitable for detecting events that will affect most equipment on branch circuits.
Highlight Set Standard and press ENTER to highlight the current standard setting.
Press UP or DOWN ARROW to scroll through monitoring standards. Refer to the
standards table to view available standards and their corresponding event triggers.
Press ENTER to change the monitoring standard. This will affect the number of
events event recorded. Press the LEFT ARROW to escape out of the selection menu
without changing the setting.
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Standard Detail
In addition to the table of standards in the user's manual, monitoring standard trig-
gers can also be reviewed in the SETUP menu. Press the RIGHT ARROW when a
monitoring standard is highlighted in the Set Standard menu.
Press the RIGHT ARROW to scroll through all 9 event triggers (3 swell, 6 sag).
Scroll forward or backwards through the monitoring triggers to return to the Set
Nominal/Standard screen. When 9 triggers are not defined for a specific monitoring
standard, multiple triggers will have the same threshold setting. (See note)
Custom Standard
To set customized triggers use the Custom monitoring standard. In the Set
Standard menu, select Custom. Press ENTER to display trigger detail.
Highlight a trigger threshold and press ENTER. Magnitude thresholds are express-
es as a percentage of nominal voltage. Duration thresholds are expressed in cycles.
Use UP and DOWN ARROW to change the threshold values for the active trigger.
Press ENTER to change the threshold, LEFT ARROW to escape to the trigger detail
without changing the setting. The range for swells can be set for 100-130% of the
nominal voltage, the range for Sags can be set fro 15 - 100% of nominal. Duration
settings range from 1 to 9999 cycles.
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