DM860D/MA860H digital nema 34 stepper motor driver

2 phase digital stepper motor driver DM860D Product Features: 1.adoption of 32-bit DSP, pure sine wave subdivision technology. 2. Low-noise, low-vibration and low temperature rising 3. Voltage 24-80VDC or 20-60VAC 4. With 8 stalls output current setting, peak current7.2A 5. With 16 stalls microstep subdivision setting 6. Automatic Half current, self-test, over voltage, under voltage, over current protection 7. Internal optical isolation, highest frequency response 200KHZ 8. Suitable for nema 23, nema 34 2,4 phase stepper motor current in the range of 2.4-7.2A Current selection

REF	Peak	SW1	SW2	SW3
2.00A	2.40A	ON	ON	ON
2.57A	3.08A	OFF	ON	ON
3.14A	3.77A	ON	OFF	ON
3.71A	4.45A	OFF	OFF	ON
4.28A	5.14A	ON	ON	OFF
4.86A	5.83A	OFF	ON	OFF
5.43A	6.52A	ON	OFF	OFF
6.00A	7.20A	OFF	OFF	OFF

Microstep selection

Pulse/REV	SW5	SW6	SW7	SW8
Default	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
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

Default: The pulse can be customized according to customers’ requirements. Control signal and external interface:

Signal amplitudes	External current limiting resistor R
5V	Without R
12V	680Ω
24V	1.8KΩ