PD2-C-IP CANopen Online Manual

Overtemperature protection

Above a temperature of approx.  75°C on the power board (corresponds to 65–72°C outside on the back cover), the power part of the controller switches off and the error bit is set (see objects 1001h and 1003h). After cooling down and confirming the error (see table for the controlword, "Fault reset"), the controller again functions normally.

The following temperature test results provide information on the temperature behavior of the motor.

Temperature tests are performed under the following conditions:
  • Operating voltage: 48 V DC (stepper motor PD2-C, BLDC motor PD2-CB)/24 V DC (BLDC motor PD2-CB42M024040)
  • Motor current: 1.8 A (stepper motor PD2-C)/3.3 A (BLDC motor PD2-CB)/3.5 A (BLDC motor PD2-CB42M024040) rms
  • Operation mode: Velocity Mode, full step, 30 rpm
  • Ambient temperature: 25 °C / 45 °C
  • Altitude of site: 500 m above seal level
  • No external cooling in the climatic chamber, e.g., via fan
The following graphics show the results of the temperature tests:
Note: Aside from the motor, the exact temperature behavior is also largely dependent on the flange connection and the heat transfer there as well as on the convection in the machine. For this reason, we recommend always performing an endurance test in the actual environment for applications in which current level and ambient temperature pose a problem.
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