942 HEIDENHAIN Technical Manual MANUALplus 620
Activating TRC TRC can only be activated via a special compensation file. The settings in this
file can only be made with the TNCopt commissioning software from
HEIDENHAIN (as of version 2.3). Please refer to the documentation for the
TNCopt software. The compensation current is determined with a special
method for measurement, and the parameters for calculating this
compensation are stored in a compensation file on the control. The
MANUALplus 620 then takes these parameters into account when calculating
the controller parameters.
Directory: The MANUALplus 620 saves the compensation files in the
directory configured under
Paths / CfgOemPath / MP_oemTable.
Default: %OEM%\table
File name: xx_<Motor_name>.TRC
• xx: Index of the axis (e.g. 00 = 1st axis, X axis)
• <Motor_name>: Name of the motor from the motor table (max. 29
characters)
• .TRC: File extension for "Torque Ripple Compensation"
An entry in MP_compTorqueRipple specifies whether torque ripple
compensation is to be performed for an axis. If the optional parameter
MP_compTorqueRipple is not part of the configuration, no compensation
current is calculated for the axis concerned.
Example:
MP_compTorqueRipple: 00_MotNameAusMotTab
The TRC function can only be used with PWM frequencies up to 5 kHz.
A TRC file can only be used on the control on which the adjustment has
been made.
A TRC file must be re-created if the motor or even the encoder is
exchanged.
A TRC file can only be generated for synchronous motors or for linear or
torque motors.
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