Standstill torque M0 [Nm] The standstill torque can be maintained indefinitely at a speed n=0 min-1 and rated ambient conditions. Rated torque Mn [Nm] The rated torque is produced when the motor is drawing the rated current at the rated speed. The rated torque can be produced indefinitely at the rated speed in continuous operation (S1). Standstill current I0rms [A] The standstill current is the effective sinusoidal current which the motor draws during standstill to produce the standstill torque.
Thermal time constant tth [min]
The constant tth defines the time for the cold motor, under a load of I0, to heat up to an overtemperature of 0.63 x 105 Kelvin. This temperature rise happens in a much shorter time when the motor is loaded with the rated current. Release delay time tBRH [ms] / Application delay time tBRL [ms] of the brake These constants define the response times of the holding brake when operated with the rated voltage from the servo amplifier.
Important notes
Check that the servo amplifier and motor match each other. Compare the rated voltage and rated current of the unit. Carry out the wiring according to the wiring diagram in the Installation and Commissioning Instructions for the servo amplifier. The connections to the motor are shown on page 23 Notes on the connection methods can be found on page 18. Ensure that there is proper earthing of the servo amplifier and the motor. Route the power and control cables as separately as possible from one another (separation > 20 cm). This will improve the immunity of the system to electromagnetic interference.
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