4.1.9.7 Settings
Table 260: MPTTR Group settings
Parameter Values (Range) Unit Step Default Description
Overload factor 1.00...1.20 0.01 1.05 Overload factor (k)
Alarm thermal value 50.0...100.0 % 0.1 95.0 Thermal level above which function
gives an alarm
Restart thermal Val 20.0...80.0 % 0.1 40.0 Thermal level above which function
inhibits motor restarting
Negative Seq factor 0.0...10.0 0.1 0.0 Heating effect factor for negative
sequence current
Weighting factor p 20.0...100.0 % 0.1 50.0 Weighting factor (p)
Time constant normal 80...4000 s 1 320 Motor time constant during the normal
operation of motor
Time constant start 80...4000 s 1 320 Motor time constant during the start of
motor
Time constant stop 80...8000 s 1 500 Motor time constant during the standstill
condition of motor
Env temperature mode 1=FLC Only
2=Use input
3=Set Amb Temp
1=FLC Only Mode of measuring ambient temperature
Env temperature Set -20.0...70.0 °C 0.1 40.0 Ambient temperature used when no
external temperature measurement
available
Table 261: MPTTR Non group settings
Parameter
Values (Range) Unit Step Default Description
Operation 1=on
5=off
1=on Operation Off / On
Rated current 0.30...2.00 xIn 0.01 1.00 Rated current (FLC) of the motor
Initial thermal Val 0.0...100.0 % 0.1 74.0 Initial thermal level of the motor
1YHT530004D05 D Section 4
Protection functions
615 series 261
Technical Manual