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Q2HB68 2-phase stepper motor driver

Model No.︰Q2HB68
Brand Name︰JB
Country of Origin︰China
Unit Price︰-
Minimum Order︰1 pc
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Product Description
Q2HB68 Full / half stepper driver, the drive voltage of which is from 24V to 80VDC. It is designed for use with the 2-phase hybrid stepper motor of all kinds with 57mm to 86mm outside diameter, 6, 8 leads, regulated phase current from 0.5A to 6A. It is widely used in small size numerical control devices such as curving machine, wire stripping machine and etc.
 
Features

 

 

 

  • High performance, low price
  • Highest response frequency: 50Kpps
  • Current of winding will be reduced by approximately 50% when no step pulse command is received for 0.1 second
  • Bipolar constant current chopping mode
  • Opto-isolated signal I/O
  • Drive current is continuously adjustable from 0.5A/phase to 6A/phase
  • Single power supply voltage from 24V to 80VDC

Caution

  1. Please don’t reverse the power supply, supply voltage shouldn’t exceed 80VDC.
  2. Input control signal is 5V, current-limiting resistance should be connected when it is over 5V.
  3. Alarm indicator lights and the driver stops working when the driver temperature is over 70℃. It restarts working until the temperature falls to 50℃. The heat sink is needed when overheat occurs.
  4. 6 or 8 leads motors have to be used because of the special control circuit in the driver.

 

Parameter switch function

Steps per revolution

1(full step)

2(half step)

D0

ON

OFF

D4

ON, double pulse: PU is positive step pulse signal, DR is negative step pulse signal

OFF, single pulse: PU is step pulse signal, DR is direction signal

 

Terminal function

Symbol

Signal

Specification

O.H

Alarm indicator

The red indicator lights when overheat occurs.

POWER

Power indicator

The green indicator lights when power is on.

Im

Rotary switch for adjustment of the motor current

Adjust motor’s phase current. Turning it in CCW will decrease the current and in CW will increase.

+

Positive of opto-isolated

Connected to +5V power supply. Drive voltage ranges from +5V to +24V. Current-limiting resistance is needed when it is over 5V.

PU

D4=OFF, PU is step pulse signal

With the falling edge of the signal PU, the motor executes an angular step. The input resistance is 220Ω. Low voltage 0-0.5V, high voltage 4-5V, pulse width>2.5μS.

D4=ON, PU is positive step pulse signal

+

Positive of opto-isolated

Connected to +5V power supply. Drive voltage ranges from +5V to +24V. Current-limiting resistance is needed when it is over 5V.

DR

D4=OFF, DR is direction signal

Change motor’s direction of rotation. Input resistance is 220Ω. Low voltage 0-0.5V, high voltage 4-5V, pulse width>2.5μS

D4=ON, DR is negative step pulse signal

+

Positive of opto-isolated

Connected to +5V power supply. Drive voltage ranges from +5V to +24V. Current-limiting resistance is needed when it is over 5V.

MF

Motor free signal

The motor current will be cut off and the driver stops working when it is effective.

+

Positive of opto-isolated

The motor current is cut off automatically and signal FL is effective (low voltage) when the temperature of the driver is over 70℃. The driver starts to work and the FL is cleared when the temperature falls to 50℃.

FL

Negative of opto-isolated

Connect + to current limiting resistance of output signal and connect FL to ground. The maximum drive current is 50mA, the highest drive voltage is 50V.

+V

Positive of power supply

24-80VDC

-V

Negative of power supply

ACBC

Connection

+A-A

+B-B


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