If the I
2
t type is set to "THERM(1) = Thermal time constant-dependent", all settings
apart from the thermal time constant are disabled.
If the integrator exceeds its limit value, the error E-09-01 is triggered. The current
value of the integrator is indicated in P 701[0] - Mon_ActValues.
NOTE
The limits are specified in servo drive as percentages of the rated
quantities (e.g. current, torque, speed,...) of the motor. The defaults
relate to 100 % of the rated quantities.
Calculation of capacity utilization via exponential function with thermal
time constant of motor:
Setting of I
2
t type:
P 735[0]
= “FREQ(0)=Output frequency-dependent": Moog - specific i(f)
evaluation
P 735[0]
= “THERM(1)=Thermal time constant-dependent": Evaluation based
on thermal time constant i(Tth)
Thermal time constant
P 733[7] - Ttherm
in [s]
The shut-off threshold is 110 % (reduction in current noise)
MOOG
ID
No.:
CB40859-001
Date:
02/2018
MSD Servo Drive - Device Help
43
5 Motor
5.6 Motor identification
Fig. 5.11: “Motor identification" dialog box for a rotary synchronous motor
