Bender ATICS-2-63A-ISO, Manual

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ATICS-2-ISO_D00046_04_M_XXEN / 03.2021 71
ATICS-2-63A-ISO
Menu Description
Exit Exit settings menu "Current"; go up one menu level
1. Mode on Current monitoring enabled
off No current monitoring
2. transformer STW3 Bender measuring current transformer STW3
STW4 Bender measuring current transformer STW4
3. CT monitoring. on CT connection monitoring enabled
off CT connection monitoring disabled
Note:
External interference from loads can cause false tripping. In this case, the func-
tion has to be disabled. The functional safety of the transfer switching device is in no
way impaired by this.
7.3.4.4 Settings menu 4: IT system
In this menu, you can adjust settings for IT system monitoring.
Menu Description
Exit Exit settings menu "IT system"; go up one menu level
1. Insulation Setting range: 50…250 kΩ
Resolution of setting: starting at 5 kΩ
2. Current trans-
former Measuring current transformer T4 in the connection example P. 33
STW2
Measuring current transformer
STW3 Measuring current transformer
SWL Split-core type measuring current transformer
3. CT monitoring. on CT connection monitoring enabled
off CT connection monitoring disabled
Note: External interference from loads can cause false tripping. In this case, the function
has to be disabled. The functional safety of the transfer switching device is in no way
impaired by this.
4. Load Setting range: 5…50 A (STW2), 5…100 A (STW3, SWL)
Resolution of setting: 1 A, IT system
Setting values:
Transformer
3150 VA 4000 VA 5000 VA 6300 VA 8000 VA 10 000 VA
Setting 14 A 18 A 22 A 28 A 35 A 45 A
5. Hysteresis Setting range: 5…30 %
Resolution of setting: 1 %
The setting only affects the value of the load current.
6. t(on) Response delay load:
Setting range:
0 s…100 s
Resolution of setting: 1 s