WTMCD-M Microstep Chopper Driver

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WTMCD-M Microstep Chopper Driver


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  • Drives a two-phase bipolar stepper motor using constant-current chopper regulation.
  • DIP switch addressable; stack up to 32 modules on the same port for multiple axes.
  • User programmable drive current and idle reduction current. Independent of power supply voltage.
  • Select up to 64 microsteps per step.
  • Up to 10,000 pps step rate.
  • S-curve acceleration and deceleration slope profiles provide smooth start/stop motion.
  • Supports move-to-coordinate, move-to-limit-switch, and continuous-rotation modes.
  • 24-bit absolute motor position counter.
  • Two normally-open limit switch inputs.
  • All user configuration data stored in non-volatile memory.
  • Automatic thermal shutdown protects motor driver Power MOSFETs from overheating.
  • Industry standard RS-232 interface. Meets all EIA/TIA-232E and V.28 specifications.
  • Wide power supply range (8 to 30 VDC).
  • Screw-terminal connectors used on all inputs and outputs.

Connects to the RS-232 serial port of a PC, laptop, or other host. This module is a complete stepper motor driver and intelligent controller built into one. Simple coordinate commands sent from the host will advance the motor to an exact position in the range of 0 to 16,777,215 using S-curve acceleration/deceleration slope profiles which reduce stall effects during ramping, and overrun effects during breaking. Host can also instruct the motor to accelerate to a target velocity and continue to move until a limit switch triggers the deceleration curve, or rotate continuously while the host controls the velocity on the fly. Ideal for use in cost sensitive, open-loop, precision motion control applications requiring a minimal user learning curve.

Additional Information

Delivery Normally delivered from stock
SKU hc00118
Technical Information

Full datasheet available.

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