Stepper Motor Driver & Controller Manufacturer

The Jkong DM860H is a fully digital stepper driver developed with advanced DSP control algorithm based on the latest motion control technology. It is easy to use and it can be used to drive 2-phase nema 34 hybrid stepper motors smoothly with less heat and noise. It works with 24-80VAC or 24-110VDC voltage and can provide max 7.2A peak current. The system achieves exceptional smoothness, delivering optimal torque while eliminating mid-range instability. Its automatic motor identification and parameter configuration enables quick setup with different motors. Compared to traditional analog drives, the DM860H operates with lower noise, less heat generation, and smoother movement. These features make the DM860H ideal for high-performance applications.

DM860H Driver Features：

1. Average current control, 2-phase sinusoidal output current drive

2. 8 channels output phase current setting

3. Offline command input terminal

4. High hording torque under high speed

5. High performance, low price

6. Opto-isolated signal I/O

7. Overvoltage, under voltage, overcorrect, phase short circuit protection

8. 15 channels subdivision and automatic idle-current reduction

9. Motor torque is related with speed, but not related with step/revolution

Hybrid Stepper Motor Driver Description：

Brand	Jkong
Model	JKDM860H
Driver Type	Stepper Motor Driver
DC / AC	DC/AC
Suitable Motor	86mm Hybrid Stepper Motor
Input Voltage	24 ~ 80VAC / 24 ~ 110VDC
Output Current	2.4 ~ 7.2A
Subdivide Setting	16 (400 - 51200)
Storage Environment	-20 ~ +80℃

Features：

Input voltage	24~80VAC/24~110VDC
Output current	2.4~7.2A (PEAK)
Pulse frequency	0~100KHz
MicroSteps	16 MicroSteps
Using environment	-5~50℃,avoiddust,high teperatureand corrosive gas
Storage environment	-20~+80℃，avoid direct sunlight

DIP Switch Setting：

SW1	SW2	SW3	PEAK（A)	RMS（A）
ON	ON	ON	2.4	2.0
OFF	ON	ON	3.08	2.57
ON	OFF	ON	3.77	3.14
OFF	OFF	ON	4.45	3.71
ON	ON	OFF	5.14	4.28
OFF	ON	OFF	5.83	4.86
ON	OFF	OFF	6.52	5.43
OFF	OFF	OFF	7.20	6.00
SW4: ‘OFF’ is with half-current function; ‘ON’ is without half-current function. Half-current function means that after 500ms of no stepping pulse, the driver output current is automatically reduced to 70% of the rated output current, which is used to prevent the motor from heating up.

Micro step subdivision setting：

Pulse	SW5	SW6	SW7	SW8
400	ON	ON	ON	ON
800	OFF	ON	ON	ON
1600	ON	OFF	ON	ON
3200	OFF	OFF	ON	ON
6400	ON	ON	OFF	ON
12800	OFF	ON	OFF	ON
25600	ON	OFF	OFF	ON
51200	OFF	OFF	OFF	ON

Pulse	SW5	SW6	SW7	SW8
1000	ON	ON	ON	OFF
2000	OFF	ON	ON	OFF
4000	ON	OFF	ON	OFF
5000	OFF	OFF	ON	OFF
8000	ON	ON	OFF	OFF
10000	OFF	ON	OFF	OFF
20000	ON	OFF	OFF	OFF
40000	OFF	OFF	OFF	OFF

DM860H Stepper Motor Driver Dimension:

JK-DM860H

Nema 34 Digital Stepper Driver Manual:

JK-DM860H for Nema 34 Driver Manual.pdf

1, Q: The motor does not turn and no holding torque:

A: ① check whether the power line is connected to the wrong voltage is too low, need to increase the voltage or correct the power line

② check whether the motor wiring is correct, if not correct motor wiring. Check if the motor wiring is correct, if not, correct the motor wiring.

③ Whether the enable signal is valid, resulting in the motor does not work.

④ Is the subdividing parameter correct?

⑤ Is the current parameter correct?

2Q：Motor does not rotate but has holding torque:

A: ① The phase sequence of motor wires is wrong, need to swap any two wires.

② Pulse signal input is wrong, need to check the pulse wiring.

3Q: The motor torque is too small:

A: ① Phase current setting is too small, need to set the phase current corresponding to the motor.

② acceleration is too fast, reduce the acceleration value

③ motor blocking, need to rule out mechanical problems

④ drive and motor mismatch, need to replace the appropriate drive

4Q：Motor steering error:

A: ① motor line phase sequence is wrong, need to swap any two wires

② motor line has a broken circuit, check and connect the right

5Q：The alarm indicator light is on:

A: ① Is the motor wire connected incorrectly

② Whether there is over-voltage and under-voltage conditions

③ Motor or driver is damaged

6Q：Motor acceleration blocking:

A: ① short acceleration time

② motor torque is too small

③ Low voltage or current


Size:	JKDM860H
Availability:



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