PMM-BD-5702-7
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The PMM-BD-5702-7 is a double-shielded bearing made of chrome steel with a precision rating of ABEC 3. Manufactured by Sanyo Denki as part of the PMM PentaSYN Servo Drives series, it features a 57 mm outer diameter and 20 mm inner diameter. The bearing operates up to a speed of 9600 RPM.
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Product Description:
The model PMM-BD-5702-7 is a 5 Phase Stepping Motor Driver designed for precise motion control. It supports multiple input configurations and features built in functions for excitation and power management. The unit is ideal for integration into automated systems requiring compact form, stable operation and configurable step modes.
The Sanyo Denki PMM-BD-5702-7 stepping driver operates with a main power input of DC 24 V or DC 36 V. The resolution setting function enhances motion precision. A power down feature is included in the driver that enables external signals to switch off motor power. The operating temperature range is from 0 °C to + 50 °C while the conservation temperature supports – 20 °C to + 70 °C. It can handle ambient humidity between 35 % and 85 % RH without condensation and conservation humidity between 10 % and 90 % RH. The primary power supply for the stepper motor driver requires a source current of 2.5 A to operate the main drive circuitry that ensures sufficient current delivery for motor phases under load. Separately, the control circuitry draws 0.15 A which powers logic level components and signal processing. The driver unit features selectable stepping modes full step and half step excitation that are configured through dedicated external input signals.
The PMM-BD-5702-7 stepping driver meets environmental durability requirements with vibration resistance tested at 10 to 55 Hz, 0.5 G along X, Y and Z axes for 2 hours. The device maintains electrical safety through a withstand voltage tolerance of AC 500 V for one minute between the cabinet and power input. The stepping driver offers insulation resistance of at least 10 MΩ under DC 500 V Megger testing conditions.
Frequently Asked Questions about PMM-BD-5702-7:
Q: Does the PMM-BD-5702-7 allow flexible signal configurations for control switching?
A: Yes, the PMM-BD-5702-7 supports external input signals for mode selection. You can toggle between full step and half step with ease through external command input.
Q: Can I configure different pulse systems on the PMM-BD-5702-7 stepping driver?
A: Yes, the dipswitch lets you select between pulse and direction mode or 2 input mode. This flexibility supports varied motion control needs in automation systems.
Q: How does the PMM-BD-5702-7 handle extreme ambient conditions?
A: The PMM-BD-5702-7 operates in 0 to +50 °C and stores safely in –20 to +70 °C. It also handles 35 to 85 percent humidity without condensation.
Q: Is the Sanyo Denki PMM-BD-5702-7 reliable under vibration stress?
A: Yes, it endures vibration from 10 to 55 Hz at 0.5 G along all three axes. The test runs for two hours ensuring mechanical reliability in field use.
Q: How safe is the PMM-BD-5702-7 in terms of electrical insulation and power isolation?
A: It maintains 10 MΩ insulation under DC 500 V Megger test conditions. It also withstands AC 500 V for one minute between cabinet and input line.
