ABB RELION REX640 - 4.1.11.8 RPTTR Settings

RPTTR Output signals
Table 489: RPTTR Output signals
Name Type Description
OPERATE BOOLEAN Operate
ALARM BOOLEAN Thermal Alarm
BLK_RESTART BOOLEAN Thermal overload indicator,
to inhibit restart
STALL_IND BOOLEAN Indicates that the rotor is
stalling
TEMP_RL FLOAT32 The calculated temperature
of the protected object rela-
tive to the operate level
4.1.11.8 RPTTR Settings
Table 490: RPTTR Group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Env temperature
mode
1=FLC Only
2=Use input
3=Set Amb Temp
1=FLC Only Mode of measur-
ing ambient tem-
perature
Env temperature
Set
-20.0...70.0 °C 0.1 40.0 Ambient tempera-
ture used when
no external temper-
ature measurement
available
Overload factor 1.00...1.20 0.01 1.05 Overload factor (k)
Alarm value 50.0...100.0 % 0.1 95.0 Temperature level
for start (alarm)
Restart thermal Val 20.0...80.0 % 0.1 40.0 Thermal level above
which function in-
hibits motor re-
starting
Weighting factor p 20.0...100.0 % 0.1 50.0 Weighting factor
(p)
Time constant nor-
mal
80...10000 s 1 320 Rotor time con-
stant during the
normal operation
of motor
Time constant start 80...10000 s 1 320 Rotor time con-
stant during the
start of motor
Time constant stop 80...60000 s 1 500 Rotor time con-
stant during the
standstill condition
of motor
Table 491: RPTTR Non group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation Off / On
Relative starting
torque
0.10...3.00 0.01 0.70 Relative starting
torque i.e. locked
rotor torque
Table continues on the next page
1MRS759142 F Protection functions
REX640
Technical Manual
433