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19.cS Setting
Output conditions
Contact display type
95-96
97-98
1A1b
Normal operation status
NC
NO
Ground fault/leakage accident
NO
NC
Failures including overcurrent, phase failure, reverse phase, and ground fault
NO
NC
2A
Normal operation status
NO
NO
Ground fault/leakage accident
NO
NC
Failures including overcurrent, phase failure, reverse phase, and ground fault
NC
NO
2b
Normal operation status
NC
NC
Ground fault/leakage accident
NC
NO
Failures including overcurrent, phase failure, reverse phase, and ground fault
NO
NC
Note) 1. In case of CT ratio, rated current setting S/W is not displayed; in case of 100A product, 5.Ctr(CT) item is not displayed.
2. In case of 10A rating, it is possible to set to 0.1~2.5A; in case of 100A rating, it is possible to set to 1~25A.
3. No. 18 menu appears only if “ALo” is enabled in No. 17 menu.
(On: if a current is recognized, 07-08 contacts are displayed. 60~110%: if an on-load current value is higher than a set load factor, 07-08 contacts are displayed.)
4. No. 17 menu operation
Setting Menu
(A Group)
Group
Menu
Setting Value
Description
Default Value
A
dEF/th/n-th
Operation Characteristics (Definite/Thermal Inverse/Inverse)
n-th
1~60s
Operation Time (sec)
60
1~200s
Delay Time (sec)
If dEF
0.5~10A/5~100A
Rated Current
Max. value
0.25, 0.5, 1~200
note 1)
CT Ratio (4 times, twice, once)
1
Off, 200~800%
Lock Protection (sec)
Off
Off, 150~500%
Stall Protection (sec)
Off
Off/On
Open Phase
Off
Off, 10~70%
Unbalance Protection (%)
Off
Off/On
Reverse Phase
Off
Off, 30~90%
Under Current Protection (%)
Off
0ff, 0.03, 0.05/0.1~3A
Ground Fault Operation Current (Zero sequence CT) (A)
Off
Off, 20~500% (FLCmin)
note 2)
Ground Fault Operation Current (Residual circuit) (FLCmin)
Off
0.05, 0.1~1.0s
Ground Fault Operation Time(sec)
-
On/Off
Ground Fault Delay During Start
On
Off, 500~1000%
Instantaneous Protection (%)
Off
I-tp, I-AL, ALo, U-C, OrH
07-08 Output setting (see the output information described below.)
I-tp
On, 60~110/10%
note 3)
07-08 Output setting (current or no current, and alarm)
On
1A1b, 2A, 2b
Contact (95-96, 97-98) Setting
1A1b
17.AL Setting
Output conditions
Alarm display type
Motor operation
07-08
I-tp
Detect instantaneous current
Motor stop
NC
I-AL
Detect instantaneous current
Keep status
NC
U-C
Detect on-load less than low current set value
Keep status
NC
OrH
Set and display operating time
Keep status
NC
ALo
Select 18.Ar setting
Comply with the set value of the No. 18 item
18.Ar Setting
If ALo is set in the No. 17 menu
Motor operation
07-08
On
Display on-load status( I > 0A)
Keep status
NC
60~110%
On-load of current higher than a set value
Keep status
NC
Operation
&
setting method
66
Electronic Motor Protection Relays
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