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Stepper Digital Driver DQ2722M AC110-220V 7.0A 200 Microsteps Matching Nema 42 stepper motor CNC Laser Mill
DQ2722M is 2-phase stepping motor driver based on advanced DSP control algorithm. It is fully digital stepping motor driver of new generation. The driving voltage range is AC110-220V, adapting to all models of 2-phase hybrid stepping motor whose current is below 7.0A and with 86-130mm outer diameter. The internal driver circuit is similar to that of servo control theory, which makes the motor run smoothly, almost no vibration and noise. The max positioning accuracy can be up to 40,000 pulse/R. DQ2722M is widely used in large/medium NC equipment with high resolution like engraving machines, medium CNC machine, computer embroidery machine, packaging machinery and etc.
Features
High performance and competitive price 16-switch selectable resolution, max resolution 40,000 pulse/R Max response frequency up to 500Kpps Coil current will be automatically reduced to 1/2 of pre-set current when stepping pulse stops over 100ms. Optical isolating signals I/O Driving current can be adjusted from 1.2A/phase to 7.0A/phase through the 16 channels. Single power supply (Voltage range: AC110-220V) Phase memory function (Note: The driver can memorize the motor phase automatically when the input stops over 3 seconds. And it also can recover the phase automatically when it is re-powered or MF signals changes from low level to high level. )Wiring and Dimension example
Current setting
The working current of the driver is set by DIP-1 terminal. For more details, please refer to the following diagram.| Current(A) | 1.2 | 1.5 | 2.0 | 2.3 | 2.5 | 3.0 | 3.2 | 3.6 | 4.0 | 4.5 | 5.0 | 5.3 | 5.8 | 6.2 | 6.5 | 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 |
Microstep setting
The micro steps of the driver are set by DIP-2 terminal. The total 16 channels are separately set by the first 4 of the 6 DIP-switch. (The other 2 are for function setting). Details are as below. Micro steps (pulse/R)| Pulse/R | 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 pulses: PU is CW stepping pulse signal, DR is CCW stepping pulse signal. | |||||||||||||||
| OFF, single pulse: PU is stepping pulse signal, DR is the direction control signal. | ||||||||||||||||
| D6 | Self-test switch (OFF: receiving outer pulse ON: the driver is running at 30 R/M internal) | |||||||||||||||
Terminal function
Terminal | Pin | Symbol | Function | Notes |
RS-232 | 1 | RX | To receive data | RX(NC) |
2 | TX | To send data | TX(NC) | |
8 | GND | Ground | GND(NC) | |
DB15 | 1 | PU+ | To input anode of optical isolation | Driving voltage+5V-+24V, but if above +5V, current-limiting resistance is needed |
2 | PU- | DP5=OFF, PU: stepping pulse signal | Trailing edge is valid. When the pulse changes from high level to low level, the motor moves one step. And the input resistance is 220Ω. Request: Low level:0-0.5V, high level:4-5V. Pulse width>2.5μs | |
DP5=ON, PU: CW stepping pulse signal | ||||
3 | DR+ | To input anode of optical isolation | Driving voltage+5V-+24V, but if above +5V, current-limiting resistance is needed | |
4 | DR- | DP5=OFF, DR: direction control signal | Applied to change motor rotating direction. Input resistance is 220Ω. Low level: 0-0.5V, high level: 4-5V. Pulse width>2.5μs | |
DP5=ON, DR: CCW stepping pulse signal | ||||
5 | SM+ | To input anode of optical isolation | NC | |
6 | SM- | Micro steps to choose signal | NC | |
7 | MF+ | To input anode of optical isolation | Driving voltage+5V-+24V, but if above +5V, current-limiting resistance is needed | |
8 | MF- | The signal of motor released | Low level is valid, the current will be cut off and the driver stops working and in free state | |
9 | ALM+ | Anode of optical isolation outputs driver fault signal | The driver outputs fault signal if over-current or over-heat. The signal is valid(low level) | |
10 | ALM- | Cathode of optical isolation outputs driver fault signal | ||
11 | RDY+ | Anode of optical isolation gets ready to output signal | The driver works normally and is ready to receive control signal. The signal is valid(low level) | |
12 | RDY- | Cathode of optical isolation gets ready to output signal | ||
13, 14 | NC | NC | NC | |
15 | ||||
Motor, power port | 1, 2 | L, N | Power supply | Voltage range: AC110-220V |
3 | PE | Ground | Ground(connect driver metal enclosure | |
4 | A+ | Motor connection | ||
5 | A- | |||
6 | B+ | |||
7 | B- |
Caution
1. The input voltage can not exceed AC220V.
2. Input control signal is 5V, current-limiting resistance should be connected when it is over 5V
3. The input of pulse trailing edge is valid
4. ALM lights and the driver stops working when the driver temperature is over 75C. Until the temperature falls to 50C, it will restart to work after powered-up. The heat sink is needed when overheat occurs
5. ALM lights if it is short circuit, please check motor leads and eliminate other short faults, and then repower up to restore
6. ALM lights if the motor does not connect well with the driver, please check motor leads and repower up to restore
Return Policy
If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller Service
On-time Delivery: If you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).Hurry! Special Stepper Digital Driver DQ2722M AC110-220V 7.0A 200 Microsteps Matching Nema 42 stepper motor CNC Laser Mill
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