ABB ACSM1 Firmware Manual page 162

162
45.09 MOTNOM TEMP RISE
Defines the temperature rise of the motor when the motor is loaded with nominal current. See the
motor manufacturer's recommendations.
The temperature rise value is used by the motor thermal protection model when parameter
MOT TEMP SOURCE
Motor nominal
temperature rise
0...300 °C
45.10 MOT THERM TIME
Defines the thermal time constant for the motor thermal protection model (ie, time inside which the
temperature has reached 63% of the nominal temperature). See the motor manufacturer's
recommendations.
The motor thermal protection model is used when parameter
ESTIMATED.
Motor
load
100%
Temp.
100%
63%
100...10000 s
Parameters and firmware blocks
is set to
Temperature
rise
Motor thermal time
FW block: MOT THERM PROT
(0) ESTIMATED.
Ambient temperature
Motor temperature rise.
FW block: MOT THERM PROT
t
t
Motor thermal time.
(see above)
t
(see above)
45.02 MOT TEMP SOURCE
45.02
is set to (0)