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 P701[0] - Mon_ActValues.
NOTE
Thelimitsarespecifiedinservodriveaspercentagesoftherated
quantities(e.g.current,torque,speed,...)ofthemotor.Thedefaults
relateto100%oftheratedquantities.
Calculation of capacity utilization via exponential function with thermal
time constant of motor:
Setting of I
2
t type:
P 735[0]=“FREQ(0)=Outputfrequency-dependent":Moog-specifici(f)
evaluation
P 735[0]=“THERM(1)=Thermaltimeconstant-dependent":Evaluationbased
onthermaltimeconstanti(Tth)
ThermaltimeconstantP 733[7] - Tthermin[s]
Theshut-offthresholdis110%(reductionincurrentnoise)
MOOG
ID
No.: CB40859-001 Date: 02/2018
MSD Servo Drive- Device Help
43
5 Motor
5.6Motoridentification
Fig. 5.11: “Motor identification" dialog box for a rotary synchronous motor