• MC8H

    High performance stepper motor driver for nema17-nema41

Characteristic

two phase stepper motor MC8H nema42♦ Support PUL/DIR and CW/CCW modes

♦ Low noise, low vibration

♦ Microstep emulation

♦ Advanced DSP-based current control(0.5-8.0A) matches nema17-nema41

♦ Easy setup via DIP switches for micro stepping resolution(16)

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Specification

Electrical indexes

Driver parameters Minimum value Rated value Maximum value unit
Output current 0.5 8.0 A
Input voltage 80 220 265 VAC
Input Pulse Width 250 5E+8 ns
Input Pulse Frequency 1 1M V
Input signal voltage 3.6 5 24 VDC

Driver interface and wiring diagram

0

Power supply and motor wiring

CN1 Function
R- AS-T
R+
CN3 Function
E Ground terminal
N Powerful supply terminals
(VAC80~265V)
L
CN2 Function
E Earth terminal
A+ Motor phase A
A-
B+

Motor phase B

B-
Item Function
PUL+

Pulse control signal: effective pulse falling edge,
pulse voltage of 5V~24V, maximum frequency of 1MHz.

PUL-
DIR+

Direction control signal: High and low level pulse signals,
high level of 5~24V.

DIR-
ENA+

Enable control signal: When effective(high level 5~24V),
motor is free. It is used for motor debugging.

ENA-
ALM+ Alarm signal output(OC). The maximum voltage is 24V,
the maximum saturation current is 100MA
ALM-
Control signal connection

MR4

Common cathode

MR4

Difference

MR5

Alarm signal output port

Status indication and operating parameter setting

Dial switches Function
SW1 Communication setting reserved
SW2
SW3
SW4

Self-testing

SW5 Single/Double pulse
SW6 Half/full current locking

Current setting

Phase current is set by “AMPER” knob, and the current value is shown in the table below.

Dial witches 0 1 2 3 4 5 5 7
Running Current 0.5A 1A 1.5A 2.0A 2.5A 3.0A 3.5A 4.0A
Dial witches 8 9 A B C D E F
Running Current 4.5A 5.0A 5.5A 6.0A 6.5A 7.0A 7.5A 8.0A
Half current lockings

Automatic idle current reduction to reduce heat after motor stops moving for 0.1 second if SW6 is set “off”.

Subdivision setting

Subdivision is set by “STEP” knob, 16 kinds of subdivision are optional.

Dial witches 0 1 2 3 4 5 5 7
Subdivision(p/rev) 200 400 800 1600 3200 6400 12800 25600
Dial witches 8 9 A B C D E F
Subdivision(p/rev) 1000 2000 4000 5000 8000 10000 2000 25000
Drive self-testing

The setting is carried out through SW4=ON. When the self-testing is started, the motor will rotate a circle and then automatically return to the initial position. It can be confirmed whether the driver power works normally and the motor wire connection is reliable.
Note: The external pulse signal will not be accepted under self-test conditions.

DIR/Pulse and CW/CCW pulse control

The two pulse control input selection is set by SW5.
CW/CCW mode: SW5=ON
PUL/DIR mode: SW5=OFF

Machine size

Driver

Packing&delivery time

Packing

Delivery time

Less than 100pieces: have in stock

More than 100pieces: contact us freely.

FAQ

Here you would find some answers to frequently asked questions

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