ABB RELION REX640 Technical Manual page 422

Protection functions
Parameter Values (Range)
Negative Seq factor 0.0...10.0
Weighting factor p 20.0...100.0
Time constant nor- 80...4000
mal
Time constant start 80...4000
Time constant stop 80...60000
Env temperature
1=FLC Only
mode
2=Use input
3=Set Amb Temp
Env temperature -20.0...70.0
Set
Table 481: MPTTR Non group settings (Basic)
Parameter Values (Range)
Operation
1=on
5=off
Table 482: MPTTR Non group settings (Advanced)
Parameter Values (Range)
Current reference 0.30...2.00
Initial thermal Val 0.0...100.0
4.1.10.9 MPTTR Monitored data
Table 483: MPTTR Monitored data
Name Type
TEMP_AMB FLOAT32
THERMLEV_ST FLOAT32
THERMLEV_END FLOAT32
T_ENARESTART INT32
MPTTR Enum
Table continues on the next page
422
Unit Step
0.1
% 0.1
s 1
s 1
s 1
°C 0.1
Unit Step
Unit Step
xIn 0.01
% 0.1
Values (Range)
-99...999
0.00...9.99
0.00...9.99
0...99999
1=on
2=blocked
3=test
4=test/blocked
Default
0.0
50.0
320
320
500
1=FLC Only
40.0
Default
1=on
Default
1.00
74.0
Unit Description
°C The ambient tempera-
ture used in the calcula-
tion
Thermal level at begin-
ning of motor startup
Thermal level at the end
of motor startup situa-
tion
s Estimated time to reset
of block restart
Status
1MRS759142 F
Description
Heating effect fac-
tor for negative se-
quence current
Weighting factor
(p)
Motor time con-
stant during the
normal operation
of motor
Motor time con-
stant during the
start of motor
Motor time con-
stant during the
standstill condition
of motor
Mode of measur-
ing ambient tem-
perature
Ambient tempera-
ture used when
no external temper-
ature measurement
available
Description
Operation Off / On
Description
Rated current (FLC)
of the motor
Initial thermal level
of the motor
REX640
Technical Manual