GRMOT DM860H-KT Digital Stepper Motor Driver 2-Phase 7.2A Peak AC2080V / DC30110V 20040,000 Microsteps RS232 Debugging

Description

Introducing the GRMOT DM860H-KT Digital Stepper Motor Driverengineered for reliability and performance, this driver stands apart from the many budget DM860H-KT knockoffs flooding the market. Inspired by the renowned Leadshine DM860H, the GRMOT DM860H-KT offers superior build quality, enhanced component selection, and more precise motor control compared to typical low-cost alternatives. Whether youre upgrading from an unreliable clone or searching for performance that comes close to industry-leading solutions without the high price tag, this driver delivers dependable operation and long-term durability you can trust.

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Applications

• CNC routers, milling machines, and lathes

• Laser engraving and cutting machines

• Large-format plotters and marking systems

• Automated assembly and packaging equipment

• High-speed robotics and motion platforms

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Features

• Latest 32-bit DSP control for precision and stability

• RS232 serial debugging with MODBUS-RTU support

• Microstep settings from 200 to 40,000 steps/rev

• Wide input voltage: AC2080V / DC30110V

• Adjustable output current up to 7.2A peak (5.14A RMS)

• Vector control and micro-segmentation for smooth motion

• Automatic half-current mode when idle

• Optically-isolated differential inputs for strong noise immunity

• Comprehensive protections: overvoltage, undervoltage, overcurrent, short circuit, phase loss

Data Sheet:- Click Here

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Specifications

Parameter Value BRAND GRMOT Output Current (Peak) 2.4A 7.2A Output Current (RMS) 1.71A 5.14A Input Voltage Range (AC) 20 80V AC Input Voltage Range (DC) 30 110V DC Microstep Resolution 200 40,000 steps/rev (DIP & software set) Control Signal Input Voltage 524V DC Control Signal Input Current 716 mA Maximum Pulse Frequency 200 KHz Motor Compatibility 2-phase hybrid stepper motors Motor Frame Size Range 57mm 110mm outer diameter Compatible Motor Wiring 4, 6, or 8-wire Cooling Method Natural or fan-assisted Insulation Resistance 50 M Operating Temperature 0C 50C Storage Temperature -20C 65C Humidity Range 4090% RH Protection Functions Short circuit, overvoltage, undervoltage, phase loss

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DIP Switch Settings Overview

Current Settings (SW1SW3):

Peak (A) RMS (A) SW1 SW2 SW3 2.4 1.71 ON ON ON 7.2 5.14 OFF OFF OFF

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When all OFF, current can be set via PC software (up to 6.0A effective).

Idle Current (SW4):

• OFF: 50% idle current (recommended)

• ON: 100% idle current

Microstep Settings (SW5SW8):

Steps/Rev SW5 SW6 SW7 SW8 400 ON ON ON ON 40,000 OFF OFF OFF OFF

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Protection Functions

• Short Circuit / Overcurrent Red LED blinks once

• Overvoltage (>AC80V / DC110V) Red LED blinks twice

• Undervoltage (<AC20V / DC30V) Red LED blinks three times

• Phase Loss Red LED blinks five times

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Package Includes

1 x DM860H-KT Digital Stepper Motor Driver