PMB31D-10101-01
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The Pacific Scientific PMB31D-10101-01 is part of the PMB Brushless Servomotors series and features a round button actuator type. This push button switch boasts an IP40 ingress protection and a dielectric strength of 1000V AC for 1 minute. Its rated voltage is 250V AC while supporting currents up to 3A.
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Product Description:
The Pacific Scientific Servo motor PMB31D-10101-01 delivers a continuous stall torque of 2.1 Nm. The motor provides up to 6.2 Nm of torque during peak demand. It consistently provides 1.7 Nm of torque at its standard speed of 5,000 rpm. The no-load speed reaches a maximum of 8,400 rpm.
The PMB31D-10101-01 servo motor requires a continuous RMS current of 5.1 A. It handles up to 15.3 A RMS during peak loads. The torque constant is specified at 0.41 Nm/A. The back emf constant of the motor is 0.25 V·s/rad. This reflects its energy conversion efficiency. It features a line-to-line resistance of 7.6 ohms and an inductance of 5.2 mH. The rotor inertia is measured at 0.14 × 10⁻³ kg·m² to offer a balanced profile for moderate acceleration needs. The PMB31D-10101-01 servo motor has a heat dissipation rate of 1.08 °C/W. Its thermal response time is 28 minutes. The total weight is approximately 2.5 kg, and the motor length is 134.1 mm. It is compatible with the SC900 drive family, including SC902 and SC903. The motor also supports PC800 series drives when used with an external encoder or resolver. It runs within an ambient temperature range of 0°C to 40°C. The motor is optimized for stable and efficient industrial automation and motion tasks.
The PMB31D-10101-01 servo motor is equipped with digital Hall sensors for commutation but does not include an integrated encoder. However, it supports external encoder installation for applications requiring precise position feedback. The motor can operate in both torque and velocity control modes. The supported feedback types include Hall-only or encoder/resolver configurations. It is operable up to 1,000 meters of elevation without derating. The motor can be stored between –25°C and 70°C. It handles humidity levels from 10% to 90% non-condensing.
Frequently Asked Questions about PMB31D-10101-01:
Q: What types of automation systems benefit from this motor?
A: It’s ideal for medium-performance applications like packaging, labeling, conveyor control, and pick-and-place systems.
Q: Does the motor require forced cooling?
A: No, the PMB31D-10101-01 is naturally cooled, but forced-air cooling may be used to improve thermal performance in demanding applications.
Q: Is the motor compatible with third-party drives?
A: While optimized for SC900 and PC800 series drives, it may work with other third-party drives if the electrical parameters and feedback system are matched.
Q: What type of shaft does this motor come with?
A: This motor typically features a smooth shaft, but keyed shaft variants may be available depending on configuration.
Q: How does the PMB31D-10101-01 motor support energy-efficient automation?
A: The low rotor inertia and efficient torque-to-current ratio allow for responsive and energy-saving performance in automated systems.
