Entec ETMFC610 - Page 211

Multi-Function Control ETMFC610 http://www.entecene.co.kr
201
EN
HANCED
TEC
HNOLOGY
At the restoration of load supply, the residual ground time overcurrent element is prevented from
tripping for a period specified the inrush restraint function.
‘Time OC-GROUND’ menu is sub-divided as follow:
Following setting is used to program the Time Overcurrent - GROUND element.
1) (+) TIME OC-GND Setup
(+) TIME OC-GND setting menu is available for setting (+) Ground time overcurrent
protection Curve.
GROUP # / PROTECTION / TIME OC-GND / (+)TIME OC-GND / Function
Range
DISABLE, TRIP, TR&AL, ALARM,
Default
TRIP
Step
-
Set the function of (+) Ground time overcurrent as enable or disable.
If function = DISABLE, the feature is not operational.
If function = Trip(TR), the feature is operational. When the feature
asserts a trip condition, the device trips.
If function = Alarm(AL), the feature is operational. When the feature
asserts an alarm condition, the device gives the alarm.
If function = Trip&Alarm(TR&AL), the feature is operational. When
the feature asserts a trip and alarm condition, the device trips and gives
the alarm.
GROUP # / PROTECTION / TIME OC-GND / (+)TIME OC-GND / Pickup
Range
10 ~ 1600A
Default
250A
Step
1A
Set pickup current of (+) Ground time overcurrent element.
[(+)
TIME OC
-
GND
]
>Function: TRIP
Pickup: 250
Curve: [US-VI]
Time Dial: 1.00
Time Add.: 0.00
[DIS/TR/TR&AL/AL]
[(+)
TIME OC
-
GND
]
Function: TRIP
>Pickup: 250
Curve: [US-VI]
Time Dial: 1.00
Time Add.: 0.00
[10~1600:1A]
[TIME OC
-
GND]
>1.(+)TIME OC-GND
2.(-)TIME OC-GND