MD2S MICROSTEPPING MOTOR DRIVER

The motor direction can also be reversed by swapping pins 5 and 6 of J3. For purchasing or volume discounts, please use the above part number and contact us at: The current drawn from the power supply is normally much less than the current flowing in the motor due to efficient switching into the low motor impedance. The single row of pins near the center of the MD2S are for factory use only. Asserting J2 pin-2 Reduce Current input has priority and is not additive. The red LED is turned on when the motor is stepping and off when the motor is stopped. These 3 switches are used to select one of 8 slow speeds.

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These switches may be switched at any time. Special resolutions may be available upon request.

This miccrostepping requires configuration. This same low frequency resonance can still be excited and will progressively build when spinning at higher speeds or when microsteps occur at frequencies related to the resonant frequency typically around Hz.

Product Notes Cables and connectors are not included and must be ordered separately. Disk and Linear Strip Processing Manufacturing: This input controls the direction of the motor.

Base current is 0. Peak motor currents are selectable from 0.

See chart below for more information. Hang onto the jumper handles with fingers or needle nose pliers while changing. Each input has a transient voltage suppressor that prevents the inputs from going more negative than Each jumper set should have the same combination of jumpers and may be changed while the motor is operating.

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Two sets of jumpers select the desired peak motor current, one for each motor winding. The MD2S typically draws 50mA quiescent current. The 8 DIP switches may be changed while operating and changes take effect immediately without the need for a power-down cycle. The chart below shows only Jumpers 1 to 5.

The resonance frequency is dependent on the size and weight of the rotor. All power MOSFET transitions are off; consequently, the motor windings are disconnected electrically from the circuit and the motor can rotate freely.

US Digital Products Md2s-p Micro Stepping Motor Driver

The current drawn from the power supply is normally much less than the current flowing in the motor due to efficient switching into the low motor impedance. The red LED will turn on when this input is asserted.

Compatibility Guides Looking for replacement parts? The red LED is turned on when the motor is stepping and off when the motor is stopped. Available on select products. Other speed choices may be customer specified upon request by contacting a US Digital application engineer. Care must be taken not to short other components. High performance stepper motors are designed with minimum winding resistance and inductance to minimize heat loss and maximize high speed torque. Do not use this pin for motor power ground return.

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Please note that the MD2S-D will immediately stop without ramping down when this input is asserted.

US Digital Products Md2s-p Micro Stepping Motor Driver | eBay

The MD2S will ramp up or down to follow the real-time inputs. US Digital designs and manufactures rotary absolute and incremental optical encoders, inclinometers and other precision motion control components used in a variety of applications including industrial automation, medical, robotics, textiles, renewable energy and more. If the Microstwpping is set to microsteps per revolution and a CPR encoder is connected, 4 revolutions of the encoder will result in 1 revolution of the stepper motor. The high state will ramp down to stop.

We recommend enabling Javascript when using the product configurator. Applying current to the windings will generate attractive and repulsive forces to align the teeth of the stator and rotor.

When J2 pin 2 is high, the motor will ramp to the mptor selected by these 3 switches. The high state selects the high speed set by DIP switches 6,7 and 8.