MOTOR.CTF0
General Information
Type NV Parameter
Description Sets the thermal constant of the motor coil.
Units mHz
Range 0.265 to 16,000 mHz
Default Value 10 mHz
Data Type Float
See Also N/A
Start Version M_01-00-00-000
Fieldbus Index/Subindex Object Start Version
EtherCAT COE
and CANopen
3454h/0 M_01-00-00-000
Modbus 486 M_01-03-00-000
Description
This parameter is used to configure the thermal constant of the motor coil, which is the break frequency of a sin-
gle-pole low-pass filter model of the thermal dynamics of the motor coil.
This parameter, together with MOTOR.IPEAK and MOTOR.ICONT, determine the motor foldback parameters
IL.MFOLDD,IL.MFOLDT, and IL.MFOLDR.
Calculating MOTOR.CTF0
Given a motor coil/winding thermal time constant T in seconds, then:
MOTOR.CTF0 = 1/(2πT)
Related Topics
8.1 Motor
AKD User Guide | MOTOR Parameters
Kollmorgen | December 2010 491
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