PMB33C-00101-00
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The PMB33C-00101-00 PCB assembly features multi-layer signal layers (typically 4-6), a voltage rating of 3.3V, an edge connector, and a weight of approximately 50 grams. Part of the PMB Brushless Servomotors series by Pacific Scientific, it is RoHS compliant and operates within a temperature range of 0°C to 70°C.
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Product Description:
The PMB33C-00101-00 is a Brushless Servo Motor from Pacific Scientific. This motor is intended for high-torque, precision motion systems and electrical efficiency. This motor comes with flying leads that have AMP connectors, ensuring a stable electrical connection in closed cabinet systems.
This PMB33C-00101-00 motor operates with a nominal voltage of 240V AC and can withstand a maximum bus voltage of 320VDC for stable operation under different loads. This motor has a NEMA-standard mounting type, making it compatible with a vast array of automation and industrial platforms. Its overall length of 210.3 mm allows for integration into space-restricted systems without sacrificing performance. At 5.42 Nm continuous stall torque, this motor provides reliable torque output under long-term stationary conditions under load. With a continuous stall current of 2.9 Arms, this brushless motor supports efficient energy consumption during continuous usage. This motor has a 1.86 Nm/Arms (RMS) torque constant to provide for proportional torque per unit of current. It has a thermal inductance of 27.2 mH for greater immunity to current ripple and increased drive compatibility.
The thermal time constant of the PMB33C-00101-00 servo motor is 32 minutes to survive heat buildup for longer periods without degradation of performance. This motor’s rated speed is 1300 RPM, which is appropriate for applications with precise and stable rotary control. The viscous damping coefficient of this motor is 0.038 Nm/kRPM to keep overshoot and oscillation at a minimum during dynamic load changes. This motor also boasts a rotor inertia of 0.404 x 10⁻³ kgm² to balance responsiveness against load stabilization. Electrically, this motor measures 8.6 Ohms line-to-line resistance that aids in thermal control and linear voltage-to-current relationship. The IP40 class of protection ensures the PMB33C-00101-00 motor is protected from solid foreign objects over 1 mm in size.
Frequently Asked Questions about PMB33C-00101-00:
Q: How does the 0.038 Nm/kRPM damping coefficient improve motor performance?
A: It helps reduce oscillations during speed transitions. This results in smoother load handling and quicker response.
Q: Why is a 32-minute thermal time constant significant in servo motors?
A: It enables prolonged operation without quick thermal saturation. This allows safer usage in continuous duty applications.
Q: How does the 0.404x10⁻³ kgm² rotor inertia affect acceleration?
A: It offers a balance between quick acceleration and load stability. This helps avoid overshoot in precision tasks.
Q: Why does the PMB33C-00101-00 use flying leads instead of fixed connectors?
A: Flying leads offer flexible wiring during installation. They simplify integration in custom control panel configurations.
Q: How does the 27.2 mH inductance value support the motor’s functionality?
A: It helps smoothen current flow and reduce electrical noise. This improves compatibility with servo drive controllers.