PHASE FAIL RELAY
DFR - 021D
■ Alarm Display
1. In case of Unbalance after the Start-Lock Count, start the count for the time set in the Alarm Operation Time
Setting of the Set Menu.
: The ‘TRIP’ indicator will be on and count from 1 to 9 at x0.1 scale.
...
☆ If the Alarm Operation Time Setting is set at
1 second,
run the count at 0.1sec interval, the x0.1
scale.
- If the Unbalance is resolved during the Alarm count, it goes back to the Display Screen after counting.
2. After Alarm count, the LCD shows blinking red Back light and shows the following three screens alternately every
seconds.
If set to manual return, you need to press the ‘RESET’ key to restore.
- Shows the current before the
unbalance : 1 sec.
- Shows the Unbalance Rate (5):
1 sec.
- Show the operation time : 1
sec.
■ Wiring
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