Parameter Description
p0344
p0604
p0605
p0612
p0627
p0625
r0632
p0640
Further information is provided in the function charts 8016 and 8017 of the List Manual.
Thermal motor model 3 for encoderless synchronous motors
The thermal motor model 3 for encoderless synchronous motors 1FK7 or 1FG1 is a thermal
3-mass model, consisting of stator core, stator winding and rotor. Thermal motor model 3
calculates the temperatures - both in the rotor as well as in the stator winding.
Figure 6-52
Table 6- 41
Parameter Description
r0034
r0063
r0068
p0610
Converter with the control units CU240D-2
Operating Instructions, 04/2018, FW V4.9 SP10, A5E34262100B AF
Motor weight (for thermal motor type) (factory setting: 0.0 kg)
Mot_temp_mod 2/KTY alarm threshold (factory setting: 130.0°
C)
Motor temperature > p0604 ⇒ fault F07011.
Mot_temp_mod 1/2 threshold (factory setting: 145.0° C)
Motor temperature > p0605 ⇒ alarm A07012.
Mot_temp_mod activation
.01
1 signal: Activate motor temperature model 2 for induc-
tion motors
.09
1 signal: Activate motor temperature model 2 expan-
sions
The inverter sets bit 09 = 1 after commissioning. If you
load the parameter settings for firmware version ≤ V4.6
into the inverter, bit 09 = 0 remains.
Motor overtemperature, stator winding (factory setting: 80 K)
Motor ambient temperature during commissioning (factory setting: 20° C)
Specification of the motor ambient temperature in °C at the instant of the motor data
identification.
Mot_temp_mod stator winding temperature [°C]
Current limit [A]
Thermal motor model 3 for 1FK7 encoderless synchronous motors
Thermal motor model 3 for 1FK7 encoderless synchronous motors
CO: Thermal motor load [%]
CO: Actual speed value [rpm]
CO: Actual current value [A]
Motor overtemperature response (factory setting: 12)
6.20 Motor protection by calculating the temperature
Advanced commissioning
After selecting an induc-
tion motor (p0300) or a
listed induction motor
(p0301) during the com-
missioning, the inverter
sets the parameters to
values appropriate for
the motor.
The parameters are
write-protected for listed
motors (p0301 ≥ 0).
229