ABB REM630 Product Manual page 36

Motor Protection and Control
REM630
Product version: 1.1
Table 43. Three-phase thermal overload protection for motors (MPTTR) main settings
Parameter
Env temperature
mode
Env temperature set
Alarm thermal value
Restart thermal value
Overload factor
Weighting factor p
Time constant normal MPTTR
Time constant start
Table 44. Motor start-up supervision (STTPMSU)
Characteristic
Operation accuracy
1)2)
Start time
Operate time accuracy
Reset ratio
1) Current before = 0.0 x I , f
n
2) Includes the delay of the signal output contact
Table 45. Motor start-up supervision (STTPMSU) main settings
Parameter
Motor start-up A
Motor start-up time
Lock rotor time
Operation mode
Restart inhibit time
36
Function
MPTTR
MPTTR
MPTTR
MPTTR
MPTTR
MPTTR
MPTTR
I = 1.1 × set Start
Fault
detection A
= 50 Hz, overcurrent in one phase
n
Function
STTPMSU
STTPMSU
STTPMSU
STTPMSU
STTPMSU
Value (Range)
FLC Only
Use RTD
Set Amb Temp
-20.0...70.0 deg
50.0...100.0 %
20.0...80.0 %
1.00...1.20
20.0...100.0
80...4000 s
80...4000 s
Value
At the frequency f = f
n
±1.5% of the set value or ±0.002 × I
Typical 25 ms (± 15ms)
±1.0% of the set value or ±20 ms
Typical 0.90
Value (Range)
1.0...10.0 pu
0.3...80.0 s
2.0...120.0 s
IIt
IIt, CB
IIt & stall
IIt & stall, CB
0...250 min
1MRS756977 D
Issued: 2011-05-18
Step
-
0.1
0.1
0.1
0.01
0.1
1
1
n
Step
0.1
0.1
1.0
-
1
ABB