VAMP 52 - Page 219

Technical description 9 Technical data 9.3 Protection sta
g
es
VM50.EN004 VAMP 24h support phone +358 (0)20 753 3264
219
Stall protection stage (48)
Setting range:
- I
st
>
- I
MotSt
1.30 – 10.00 xI
mot
(step 0.01)
1.50 – 10.00 xI
mot
(step 0.01)
Definite time characteristic:
- operating time 1.0 – 300.0 s (step 0.1)
Inverse time characteristic:
- 1 characteristic curve
- Time multiplier tDT>
Inv
1.0 – 200.0 s (step 0.1)
Starting time Typically 60 ms
Resetting time <95 ms
Resetting ratio 0.90
Accuracy:
- operating time ±5% or at ±80 ms
Thermal overload stage T> (49)
Setting range: 0.5 – 1.20 xI
mot
(step 0.01)
Alarm setting range: 60 – 99 % (step 1%)
Time constant Tau: 2 – 60 min (step 1)
Cooling time coefficient: 1.0 – 5.0 xTau (step 0.1)
Max. overload at +40 C
70 – 120 %I
mot
(step 1)
Max. overload at +70 C
50 – 100 %I
mot
(step 1)
Ambient temperature
-55 – 125 C (step 1
Resetting ratio 0.95
Accuracy:
- operating time ±5% or ±1 s
Unbalance stage I
2
> (46)
Setting range: 10 – 70% (step 1%)
Definite time characteristic:
- operating time 1.0 – 600.0s s (step 0.1)
Inverse time characteristic:
- 1 characteristic curve
- time multiplier
Inv
1 – 50 s (step 1)
Start time Typically 300 ms
Reset time <450 ms
Reset ratio 0.95
Inaccuracy:
- Starting
- Operate time
±3% of the set value or 0.5% of the rated value
±5% or ±150 ms
Incorrect phase sequence I
2
>> (47)
Setting: 80 % (fixed)
Operating time <120 ms
Undercurrent protection stage I< (37)
Current setting range: 20 – 70 %I
mode
(step 1%)
Definite time characteristic:
- operating time 0.3 – 300.0s s (step 0.1)
Block limit: 15 % (fixed)
Starting time Typically 300 ms
Resetting time <450 ms
Resetting ratio 1.05
Accuracy:
- starting ±2% of set value or ±0.5% of the set value
- operating time ±1% or ±150 ms