Supporting Functions; Arc Protection Stage Arci 02 > (50Ar), Option - Allen-Bradley Rockwell Automation 857 User Manual

10-18
Technical Data

Supporting Functions

857-UM001A-EN-P – July 2009
Table 10.40 – Arc protection stage ArcI
Setting range
Arc sensor connection
- Operating time (Light only)
- Operating time (4xIset + light)
- Operating time (BIN)
- BO operating time
Reset time
Reset time (Delayed ARC L)
Reset time (BO)
Reset ratio
Inaccuracy:
- Starting
- Operating time
- Delayed ARC light
Table 10.41 – Arc protection stage ArcI
Setting range
Arc sensor connection
- Operating time (Light only)
- Operating time (4xIset + light)
- Operating time (BIN)
- BO operating time
Reset time
Reset time (Delayed ARC L)
Reset time (BO)
Reset ratio
Inaccuracy:
- Starting
- Operating time
- Delayed ARC light
Table 10.42 – Inrush current detection (68)
Settings:
- Setting range 2.Harmonic
- Operating time
This is the instantaneous time i.e. the minimum total operational time including the fault
detection time and operation time of the trip contacts.
> (50AR), option
0
0.5 - 10.0 x I
n
S1, S2, S1/S2, BI, S1/BI, S2/BI, S1/S2/BI
13 ms
17ms
10 ms
<3 ms
<95 ms
<120 ms
<80 ms
0.90
10% of the set value
±5 ms
±10 ms
> (50AR), option
02
0.5 - 10.0 x I
n
S1, S2, S1/S2, BI, S1/BI, S2/BI, S1/S2/BI
13 ms
17ms
10 ms
<3 ms
<95 ms
<120 ms
<80 ms
0.90
10% of the set value
±5 ms
±10 ms
10 – 100 %
0.05 – 300.00 s (step 0.01 s)