$114.8 Buy It Now or Best Offer
free,30-Day Returns

Seller Store longsmotor99
(6285) 97.2%,

Location: Changzhou City, Jiangsu Province
Ships to: US,
Item: 271265165876

Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money Back
DM2722A:DM2722A
MPN:Does Not Apply
Country/Region of Manufacture:China
Longs Motor:Longs Motor

This item includes: 1 pc Stepper motor driver DM2722A, 110-230VAC, peak 9.8A, 200 micsteps Stepper motor driver DM2722A Detailed information: FEATURES DM2722A is a new-generation digital 2-phase stepper motor driver based on DSP control. The driver combines advanced DSP control technique and unique control circuit. The driver voltage is AC110-230V and driver current is below 7.0A. The driver can be used for types of 2-phase stepper motor with external diameter 86-130mm. The driver adopts circuit similar to servo control, so the motor can run smoothly with little vibration and noise. And the maximum positioning accuracy could reach 40,000 steps/rev. The product is widely used in big and medium-sized CNC equipment with higher resolution, such as engraving machine, medium-sized CNC machine tool, computer-controlled embroidery machine, packing machine, etc. ● High performance, low price ● The driver features 16-grade micro-stepping with equal angular degree and constant torque; the highest resolution may reach 40,000 steps/rev. ● The highest response frequency can reach 500Kpps ● When the step-by-step impulse has halted for over 100ms, the coil current will automatically reduce to half of the set value, to effectively reduce motor warming. ● Photoelectric isolation signal input/output ● Driver current from 1.0A / phase to 7.0A / phase, adjustable with 16 grades ● Single power input, voltage range: AC 110V to 230V ● Phase memory function (when the input has stopped unexpectedly or powered off, the driver will automatically memorize motor phase at that time.) ● I/O signal, the driver uses photoelectric isolation technique and signal level is 5V ~ 24V, compatible ● Function of pulse smooth technique makes the motor run stably at low speed. The level of smooth can be adjusted. It features motor inductance adjustment function, giving full play to the adaptive motor. Port Function Port definition Pin number Mark symbol Function Notes RS-232 1 RX Receiving data Connected to serial port RX of upper computer (function preservation) 2 TX Sending data Connected to serial port TX of upper computer (function preservation) 3 GND Ground wire Connected to serial port ground of upper computer (function preservation) 4 5V 5V power Connected to serial port power of upper computer (function preservation) Signal port 1 PU+ Positive terminal of input photoelectric isolation signal Can be driven by +5 V-+24 V 2 PU- DP5 = OFF, PU is step-by-step impulse signal Falling edge is effective; whenever the impulse drops from high to low, the motor moves one step. Requirements: pulse width> 2.5μS DP5 = ON, PU is positive step-by-step impulse signal 3 DR+ Positive terminal of input photoelectric isolation signal Can be driven by +5 V-+24 V 4 DR- DP5 = OFF, DR is direction control signal Used to change turning direction of the motor. Requirements: pulse width> 2.5μS DP5 = ON, DR is negative step-by-step impulse signal 5 MF+ Positive terminal of input photoelectric isolation signal Can be driven by +5 V-+24 V 6 MF- The motor release signal When it is active (at low level), the motor wiring current is turned off, and the driver stops working; the motor is in a free mode. 7 RDY+ The driver is ready to output positive photoelectric isolation signal. When the driver is in normal state, ready to receive controller signal, the signal is active (at low level). 8 RDY- The driver is ready to output negative photoelectric isolation signal. Motor wiring power supply terminal 1 B- Motor wiring 2 B+ 3 A- 4 A+ 5 Ground wire Ground（connected to aluminum cover） 6 L Power supply Power Supply: AC110 ~230V 7 N Current & Micro-step Setting Current setting The working current of the driver is set by DIP-1 terminal, the working current is normal working output current (note: the current is effective current) Working current（A） 1.0 1.5 2.0 2.3 2.5 3.0 3.3 3.6 4.0 4.5 5.0 5.4 5.8 6.2 6.6 7.0 D1 OFF OFF OFF OFF OFF OFF OFF OFF ON ON ON ON ON ON ON ON D2 OFF OFF OFF OFF ON ON ON ON OFF OFF OFF OFF ON ON ON ON D3 OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON D4 OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON The micro-step is set by DIP-2 with 16 levels. The first 4 dip of DIP-2 is for micro-step setting and the last 2 dip is for function setting.Micro-step setting The attached table: steps (pulse/rev) Step No. 200 400 800 1000 1600 2000 3200 4000 5000 6400 8000 10000 12800 20000 25600 40000 D1 ON ON ON ON ON ON ON ON OFF OFF OFF OFF OFF OFF OFF OFF D2 ON ON ON ON OFF OFF OFF OFF ON ON ON ON OFF OFF OFF OFF D3 ON ON OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON OFF OFF D4 ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF D5 ON, double pulse：PU is positive step pulse signal, DR is negative step pulse signal OFF, single pulse：PU is step pulse signal ，DR is direction control signal D6 Self-test switch (OFF: receive output pulse ;ON: run at 30rev/min) Possible problems & Solutions Problem Possible reason Measure Motor not run No light with “POW” or ”ALM” indicator light To check if the power supply is normal “ALM” indicator light is on To check overcurrent or overheating, motor missing The motor shaft is locked, the motor cannot operate. To check external control signal Indicator light shows normal, and the motor shaft is unlocked To check if MF signal is active Motor blocked The max speed is set too high To lower the max speed The time for speeding up is too short To lengthen the time or increase the pulse filtering constant of the driver Inaccurate position The micro-stepping number is not correct To select the correct micro-stepping number Excessive load for the motor To replace the motor or moderately increase running current of the driver “Leakage” phenomenon The driver and motor is not reliably grounded To reliably ground the driver and the motor Severe warming of the driver and the motor Large running current of the driver or bad external thermal conditions To moderately reduce driver running current or improve ventilation of the driver and the motor Caution 1 The input voltage is lower than AC270V. 2. Falling edge is effective of input pulse signal. If you need the rising edge to be effective, please set inner parameter of the driver. 3. When the driver temperature goes beyond 75 degrees, it will halt working, and the fault indicator ALM will be on. Until the temperature drops to 50 degrees, the driver may resume work after a second-time power-on. In case of such overheat protection, please install heat sink. 4. In case of overcurrent (short circuit of load), the fault indicator ALM will be on. Please check motor wiring and other fault of short circuit; after the fault is removed, it will resume upon a second-time power-on. 5. In case of no motor, the fault indicator ALM will be on. Please check motor wiring; after the fault is removed, it will resume upon a second-time power-on.

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