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Bholanath BH-MSD-2A - User Manual

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BH-
MSD
User’s Manual
For
MSD
-2A Micro Stepping Driver
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Summary

Introduction, Features, and Applications

Introduction to Micro Stepping Driver

Details the benefits of micro stepping drivers for low noise and temperature rise, improving motor performance.

Key Features

Highlights high performance, cost-effectiveness, support for 2/4-phase motors, PUL/DIR modes, and protection features.

Application Areas

Describes suitability for NEMA size 17 motors, X-Y tables, and automation requiring low-vibration, high-precision operation.

Specifications

Electrical Specifications

Details input voltage, output current, and model number (BH-MSD-2A) for the micro stepping driver.

Drive Prevention Features

Explains protection mechanisms against overvoltage, undervoltage, overcurrent, and short circuits.

Operating Environment

Specifies cooling requirements, environmental conditions, and temperature ranges for operation and storage.

Heat Elimination

Provides recommendations for managing driver and motor temperature, including idle-current mode and vertical mounting.

Pin Assignment and Description

Connector P1 Configurations

Details the pin functions for control signals (PUL, DIR, EN, VCC) on connector P1.

Connector P2 Configurations

Details the pin functions for power and motor connections (VDC+, GND, A+, A-, B+, B-) on connector P2.

Wiring Notes

Offers advice on preventing noise interference and proper connection procedures to avoid damage.

Switch Configuration

Explains settings for microstepping resolution and output current using DIP switches.

Sequence Chart of Control Signals

PUL;DIR and CW;CCW Signal Timing

Illustrates the timing requirements for PUL, DIR, and ENA signals for correct operation.

Pulse Frequency Calculation

Frequency Formula and Examples

Provides the formula F = (RPM X MICRO STEP)/60 and examples for calculating pulse frequency.

Connecting the Motor

4-Lead Motor Connections

Details wiring diagrams for connecting 4-lead stepping motors.

6-Lead Motor Configurations

Explains half coil (higher speed) and full coil (higher torque) connection methods for 6-lead motors.

8-Lead Motor Connections

Describes series and parallel connection options for 8-lead motors to suit different applications.

Power Supply Selection

Regulated vs. Unregulated Power Supply

Discusses the preference for unregulated supplies due to surge handling and current draw characteristics.

Using Multiple Drivers

Recommends sharing a power supply for multiple drivers and avoiding daisy-chaining for interference prevention.

Troubleshooting

Status Indicator Lights

Explains the meaning of power indicator lights (Green for OK, Red for Not OK).

Motor Not Rotating

Lists causes and solutions for the motor not rotating, including power, signal, and driver status.

ALM Lights Issues

Addresses problems related to ALM lights, such as short circuits or wrong motor wiring.

Incorrect Motor Direction

Provides solutions for motor rotating in the wrong direction, including phase connection and direction signal settings.

Inaccurate Position

Covers causes and solutions for position inaccuracies, like motor load or control signal interference.

Motor Stalled

Details troubleshooting steps for motor stalling, including voltage, acceleration, and current settings.

Drive Not Operating

Covers issues like LED off, no motor run, and holding torque problems, suggesting power and signal checks.

Low Holding Torque

Addresses insufficient motor holding torque and acceleration issues, recommending current setting and acceleration adjustments.

Dimensions

Physical Dimensions

Provides detailed mechanical drawings with dimensions for the driver unit.

Circuit Connections with SDC Modules

BH MSD 2 A with BH-SDC-01

Illustrates the circuit connection diagram for the BH MSD 2A driver with the BH-SDC-01 module.

BH MSD 2 A with BH-SDC-02

Illustrates the circuit connection diagram for the BH MSD 2A driver with the BH-SDC-02 module.

Circuit Connections with Control Systems

BH MSD 2 A with PLC

Shows the circuit connection diagram for interfacing the BH MSD 2A driver with a PLC.

BH MSD 2 A with Arduino

Details the circuit connection diagram for integrating the BH MSD 2A driver with an Arduino.

Frequently Asked Questions

Troubleshooting Guidance

Provides initial steps for identifying electrical or mechanical problems and documenting troubleshooting efforts.

Bholanath BH-MSD-2A Specifications

General IconGeneral
BrandBholanath
ModelBH-MSD-2A
CategoryDC Drives
LanguageEnglish