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Pacific Scientific 6410 2-phase Bipolar Stepper Motor Driver

From: | Author:Wang | Time :2026-04-09 | 117 visit: | 🔊 Click to read aloud ❚❚ ▶ | Share:


Pacific Scientific 6410 2-phase Bipolar Stepper Motor Driver

Product Overview

The 6410 driver is a specialized driver for two-phase hybrid stepper motors launched by Pacific Scientific, which converts pulse direction signals into winding currents to achieve high-precision and smooth operation.

Control type: Bipolar PWM chopping drive, chopping frequency 20kHz

Power supply range: 24-75VDC, maximum current 5A

Current regulation: 0.625/1.25/1.875/2.5/3.125/3.75/4.375/5.0A RMS

Subdivision range: Full step -1/256 Microstep

Core advantages: Digital electronic damping eliminates medium speed resonance, optocoupler isolation, no-load current reduction, short circuit protection


Core functions and parameters

1. Microstep subdivision settings

By combining S1 switches 1-3 with J6 decimal jumper, two subdivision systems are supported:

Installation of decimal jumper, removal of decimal jumper per step (1.8 ° motor)

Step 1/2 200/400

1/2 1/4 400 / 800

1/5 1/8 1000 / 1600

1/10 1/16 2000 / 3200

1/25 1/32 5000 / 6400

1/50 1/64 10000 / 12800

1/125 1/128 25000 / 25600

1/250 1/256 50000 / 51200

2. Key control functions

Digital electronic damping: S1-4=OFF enabled, suppresses medium speed step loss and torque loss

No load current reduction (ICR): After standing still for 0.05/0.1/1 seconds, the current drops by 50%, reducing heating

Step filter: J6-1-2 is turned on to filter out * *<500ns interference pulses, up to 500kHz**

Enable polarity: J6-5-6 switching, supports high/low enable

Short circuit protection: When the motor output is short circuited, the power level is turned off and needs to be restarted to restore

3. Electrical interface

J1 (signal interface, 9-pin D-type)

STEP+/–、DIR+/–、ENABLE+/–， All-optical coupling isolation

Maximum response: 2MHz (filter off)

J2 (power interface)

DC+、DC–、 Grounding, strictly prohibit exceeding 75VDC

Wiring: Twisted pair ≤ 3 feet (0.9m)

J3 (motor interface)

A+/A–、B+/B–、 Chassis Ground 

Supports * * 4-wire/8-wire (series/parallel) * * motors

Installation, heat dissipation, and debugging

1. Installation requirements

Installation method: Back panel heat dissipation board installation/Side panel installation

Space requirement: Leave * * 4 inches (10cm) * * accessible space above and below

Temperature limit: Chassis temperature * * ≤ 60 ℃, environment 0-50 ℃**

2. Heat dissipation capability

Heat dissipation conditions: 25 ℃, maximum current in the environment: 45 ℃, maximum current in the environment:

Natural air cooling without heat sink 2.5A 1.25A

Equipped with cooling fins, naturally air-cooled 5A 2.5A

Adding a fan for forced air cooling significantly improves performance

3. Power on debugging steps

Power off setting S1 and J6 to factory default

Check the wiring and grounding

Power on verification to maintain torque

Send pulse test for steering and positioning

Fine tune subdivision, current, damping parameters


Protection, maintenance, and troubleshooting

1. Protection mechanism

Motor phase to phase/ground short circuit protection

Bus overvoltage/undervoltage protection

Over temperature derating and shutdown

Power on self-test and enable status output

2. Common faults and their solutions

Motor without torque: check enable, power supply, motor short circuit, current setting

Motor not turning: Confirm STEP signal, subdivision matching, and correct wiring

Opposite direction: Swap the polarity of the A-phase or B-phase winding

Medium speed out of step: activate digital electronic damping, increase power supply voltage, reduce acceleration


Certification, Quality Assurance, and Standards

Certification: UL 508C, CSA C22.2 No.142, CE (EMC/LVD)

Warranty: 2 years (for material and process defects)

Storage temperature: -55 ℃ -70 ℃

Humidity: 10% -90% without condensation

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