ABB Relion REM615 Product Manual page 42

Motor Protection and Control
REM615
Product version: 3.0
Table 43. Loss of load supervision (LOFLPTUC)
Characteristic
Operation accuracy
Start time
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Table 44. Loss of load supervision (LOFLPTUC) main settings
Parameter
Start value high
Start value low
Operate delay time
Operation
Table 45. Motor load jam protection (JAMPTOC)
Characteristic
Operation accuracy
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
42
Function
LOFLPTUC
LOFLPTUC
LOFLPTUC
LOFLPTUC
Value
Depending on the frequency of the current
measured: f ±2 Hz
n
±1.5% of the set value or ±0.002 x I
Typical 300 ms
< 40 ms
Typical 0.96
< 35 ms
±1.0% of the set value or ±20 ms
Value (Range)
0.01...1.00 x I
n
0.01...0.50 x I
n
400...600000 ms
Off
On
Value
Depending on the frequency of the current
measured: f ±2 Hz
n
±1.5% of the set value or ±0.002 x I
< 40 ms
Typical 0.96
< 35 ms
±1.0% of the set value or ±20 ms
1MRS756890 D
Issued: 2010-06-29
n
Step
0.01
0.01
10
-
n
ABB