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MC856 Nema34 digital driver

Your location： Home → Product → Stepper Driver Series > 2 Phase digital stepper driver

Product Name： MC856 Nema34 digital driver

上市日期：2017-03-20

产品型号：

MC856 digital low-voltage stepper motor driver, using the latest 32-bit DSP technology, suitable for driving 57,86 series motor, with excellent low-speed performance. You can set any of the subdivision within 256 and the rated current within any current value, to meet the needs of most small devices applications. The use of built-in sub-sub-technology, even in the low sub-sub-conditions, but also to achieve the effect of high-segmentation, low-speed operation is very smooth, very little noise

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Driver Function	operation Insulation
Microsteps Sudivision setting	SW5-SW8 four DIP switches to set the drive micro-step subdivision, a total of 15 steps of mic ro-step breakdown. When the user sets the subdivision, the drive should be stopped first. For details on the numberof microsteps,Please according to the drive panel.
Working current setting	SW1-SW3 three DIP switches to set the drive output current, the output current of a total of 8 floor.Details on setting the output current,refer to the description of the driver panel.
Automatic half current Function	SW4 can be used to set the automatic semi-flow function of the drive. OFF mean the quiescent current is set to half of the dynamic current, and ON means the quiescent current is the same as the dynamic current SW4 should be set to OFF for general use, resulting in reduced heat generation in the motor an the drive, resulting in improved reliability. Approximately 0.4 seconds after the pulse train is stopped, the current automatically reduced by 50% (60% of the actual value) and the calorific value is oretically reduced by 36%.
Signal interface	PUL + and PUL- are the positive and negative terminals of the control pulsesignal;DIR + and DIR- are the positive and negative terminalsof the directional signal;ENA + and ENA- are the positive & negative terminals of the enable signal.
Motor interface	A + and A- are connected to the positive and negative terminals of the A-phase winding of the stepping motor; B + and B- are connected to the positive and negative terminals of the B-phase winding of the stepping motor.When A, B two-phase winding exchange,direction of the motor can be reversed
Indicator light	The driver has two red and green lights. The green light is the power indicator, the green light is on when the driver is powered on. The red light is the fault indicator. When the overvoltage or overcurrent fault occurs, the fault light is on.Fault clear, the red light off. When the drive fails, the fault can only be cleared by re-powering up and re-enabling it.
Power supply Port	DC power supply, the input voltage range: 20V-80VDC,Power more than 200W
Installation Notes	Driver dimension :117x78x34mm ,installation the hole spacing of 143mm can be horizontal can be horizontal or vertical mounting （suggest the vertical installation) when installed ,mke it close to the metal cabinet to facllitate heat .

MC856 driver with eight DIP switch set subdivision accuracy, dynamic current and half-flow / full-flow, described in detail as follows:

MC856 Nema34 digital driver

Working current setting :

Peak current	Mean current	SW1	SW2	SW3
1.4A	1.0A	off	off	off
2.1A	1.5A	on	off	off
2.7A	1.9A	off	on	off
3.2A	2.3A	on	on	off
3.8A	2.7A	off	off	on
4.3A	3.1A	on	off	on
4.9A	3.5A	off	on	on
5.6A	4.0A	on	on	on

Microstep settings :

Step/turn	SW5	SW6	SW7	SW8
400	off	on	on	on
800	on	0ff	on	on
1600	off	off	on	on
3200	on	on	off	on
6400	off	on	off	on
12800	on	off	off	on
25600	0ff	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
25000	off	off	off	off

MC856 Nema34 digital driver

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