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Stepper Motor Driver > 3MD560 3-phase Microstepping Driver

Features

  • High performance, lost cost, low noise
  • Low driver and motor heating
  • Supply voltage 18V – 50 VDC
  • Output peak current up to 8.4A (RMS6.0A)
  • TTL Input signal compatible
  • Automatic idle-current reduction
  • Suitable for 3 lead and 6 lead 3- phase stepping motor
  • Optically isolated differential input signals
  • Pulse frequency up to 200 KHz
  • 8 selectable resolutions
  • small size for easy mounting
  • DIP switch current setting with 16 different values
  • Over-voltage, short-voltage, over-current, short-circuit and over-heating protection
  • Phase memory (turn off power supply 5 seconds after motor stops, the position of motor keeps unchanged)

Introduction:
3MD560 is a new 3 phase high resolution stepping driver employed precision current control technology. It is suitable for driving NEMA 17, NEMA 23 and NEMA 34 3-phase hybrid stepping motors. By employing the advanced pure-sinusoidal current control technology, both the noise and the vibration of the motor have been greatly reduced, which makes the performance of stepping motors approach to those of servo motors. Furthermore, compared with most of the microstepping drivers in the market, both the driver heating and motor heating have been reduced by 15-30%.

Applications:
Suitable for a wide range of 3-phase stepping motors of Nema 17, 23 and 34, and usable for various kinds of machines, such as X-Y tables, labeling machines, laser cutters, engraving machines, and pick-place devices, etc. Extremely suitiable for applications which excpted to be low noise, low vibration, high speed and high precision.
Electric Specifications (Tj=25o)
Parameters 3MD560
Min. Typical Max. Unit
Output current 1.5 - 8.4 (6.0 A RMS) Amps
Supply voltage (DC) 18 36 50 VDC
Logic signal current 7 10 16 mA
Pulse input frequency 0 - 200 Khz
Isolation resistance 500 - -
Mechanical Specifications (Unit: mm, 1 inch=25.4 mm)
Pin Assignment and Description
Control Signal Connector P1 pins
Pin Function Details
PUL﹢(+5V) Pulse signal: in PUL/DIR mode, it represents pulse signal, effective for each upward - rising edge.
PUL- (PUL)
DIR+ (+5V) Direction signal: in PUL/DIR mode, it represents HIGH/LOW level signal. For reliable response, DIR must be ahead of PUL by 5ms at least, the initial motor direction is related with motor wiring, exchange any set of coil can reverse motor initial direction.
DIR- (DIR)
ENA+ (+5V) Enable signal: this signal is used for enabling/disabling the driver, high level for enabling the driver and low level for disabling the driver.
ENA- (ENA)
Remark: The 3MD560 can not accept CW/CCW input signals, while the 3MD560-CCW model can. Please note this difference when you place an order.
Power connector P2 pins
Pin Funtion Details
Gnd DC power ground
VDC DC power supply, +18VDC - +50VDC, recommended 36 V approx..
Phase U Motor phase U
Phase V Motor phase V
Phase W Motor phase W
Microstep Resolution Selection
Microstep resolution is specified by 5, 6, 7,8 DIP switches as shown in the following table:
usteps/rev.( 1.8°/rev) SW6 SW7 SW8
200 ON ON ON
400 OFF ON ON
500 ON OFF ON
1000 OFF OFF ON
2000 ON ON OFF
4000 OFF ON OFF
5000 ON OFF OFF
10000 OFF OFF OFF
Current Setting
Peak current (A) RMS (A) SW1 SW2 SW3 SW4
2.1 1.5 OFF OFF OFF OFF
2.5 1,8 ON OFF OFF OFF
2.9 2.1 OFF ON OFF OFF
3.2 2.3 ON ON OFF OFF
3.6 2.6 OFF OFF ON OFF
4.0 2.9 ON OFF ON OFF
4.5 3.2 OFF ON ON OFF
4.9 3.5 ON ON ON OFF
5.3 3.8 OFF OFF OFF ON
5.7 4.1 ON OFF OFF ON
6.2 4.4 OFF ON OFF ON
6.4 4.6 ON ON OFF ON
6.9 4.9 OFF OFF ON ON
7.3 5.2 ON OFF ON ON
7.7 5.5 OFF ON ON ON
8.4 6.0 ON ON ON ON
Typical Connections
Figure 2: Typical Connections
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