Power Wiring
ANCA Motion
D-000088 Rev 09
57
6
6.13
Motor Thermal Estimation
An alternative to a Motor Thermal Switch or Motor Thermal Sensor is Motor Thermal Estimation. This is a
software feature within the drive which measures the motor current draw and estimates the build-up of residual
heat in the motor. Based on this estimate of the motor heat errors can be triggered if the estimate passes a
defined threshold. Please see the applicable
AMD2000 Series Servo Drive
– SoE Configuration Guide
for details
regarding the configuration of Motor Thermal Estimation.
6.14
Brake/Regeneration Resistor
The D2xxx drives feature an inbuilt regeneration resistor. Regeneration refers to the process whereby when the
motor is actively providing energy to the drive and then stops, the kinetic energy in the entire mechanical system
connected to the shaft of the motor gets transferred to the bus capacitance in the drive, which increases the
voltage. This happens because of the motor inductance. When the voltage on the bus capacitance exceeds
385V the drive will connect the internal regeneration resistor in addition to any external regeneration resistor that
is provided by the user.
Mode
Connection
Internal Regeneration Resistor
Link pins P & D
External Regeneration Resistor
Connect resistor to P & C
Danger:
Do not short circuit connector P to C. Connector P is live with active high voltage.
Please refer to sections
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