Laser Machine Best Choice Product provide laser cnc,laser engraving machine,laser machine,laser printer,laser wood machine Wonderful Limited Stepper Driver 2.4-7.2A Max 80VAC/110VDC for Nema 34/Nema 42 Motor 256 Microstep CNC Router Mill Cut Laser Engraving Grind Foam. Price at this time US $57.17/piece. Check price now to get discount! Dont waste your time. Buy Now only in STEPPERONLINE .2015. Store Trusted Seller Store!
One of these products is actually extremely understanding of your requirements for this unique goods. The item magazine you obtain is absolutely give a referral for those of you who desire to discover the item you want. As a product that helps your needs to get comfort, of training course this New Wonderful Limited Stepper Driver 2.4-7.2A Max 80VAC/110VDC for Nema 34/Nema 42 Motor 256 Microstep CNC Router Mill Cut Laser Engraving Grind Foam item is extremely interesting to get.
You need to make sure that before you buy any item you have actually currently seen as well as read the customer reviews of the item. This means you could be certain that you are obtaining the right product that will certainly suit your demands.The MA860H is a high performance microstepping driver based on pure-sinusoidal currentcontrol technology. Owing to the above technology and the self-adjustment technology (self-adjust current control parameters) according to different motors, the driven motors can run with smaller noise, lower heating, smoother movement and have better performances at higher speed than most of the drivers in the markets. It is suitable for driving 2-phase and 4-phase hybrid stepping motors.
Key Features- High performance, cost-effective
- Supply voltage up to 80VAC or +110VDC
- Output current up to 7.2A
- Self-adjustment technology
- Pure-sinusoidal current control technology
- Pulse input frequency up to 300 KHz
- TTL compatible and optically isolated input
- Automatic idle-current reduction
- 16 selectable resolutions in decimal and binary, up to 51,200 steps/rev
- Suitable for 2-phase and 4-phase motors
- Short-voltage, over-voltage, over-current and short-cicuit protection
| Parameters | MA860H | |||
| Min. | Typical | Max. | Unit | |
| Output Current | 2.6 | - | 7.2(5.1RMS) | A |
| Supply Voltage | 18 | 60 | 80 | VAC |
| +24 | +80 | +110 | VDC | |
| Logic Signal Current | 7 | 10 | 16 | mA |
| Pulse Input Frequency | 0 | - | 300 | kHz |
| Isolation Resistance | 500 | - | - | Mohm |
Connector P1 Configurations
| PIN | Details |
| PUL+ PUL- | Pulse signal: In single pulse (pulse/direction) mode, this input represents pulse signal; 4-5V when PUL-HIGH, 0-0.5V when PUL-LOW. For reliable response, pulse width should be longer than 1.5μs. Series connect resistors for current-limiting when+12V or +24V used. The same as DIR and ENA signals. |
| DIR+ DIR- | DIR signal: In single-pulse mode, this signal haslow/high voltage levels,representing two directions of motor rotation. For reliable motion response, DIR signal should be aheadof PUL signal by 5μs at least. 4-5V when DIR-HIGH,0-0.5V whenDIR-LOW. Please note that motion direction is also related tomotor-driverwiring match. Exchanging the connection of two wires for a coil to the driver will reverse motion direction. |
| ENA+ ENA- | Enable signal: This signal is used forenabling/disabling the driver. High level(NPN control signal, PNP andDifferential control signals are on the contrary,namely Low level forenabling.) for enabling the driver and low level fordisabling the driver.Usually left UNCONNECTED (ENABLED) |
Connector P2 Configurations
| PIN | Details |
| +V | Power supply, 18~80 VDC or 24~110VDC, Including voltage fluctuation and EMF voltage. |
| GND | Power Ground |
| A+, A- | Motor Phase A |
| B+, B- | Motor Phase B |
Microstep Resolution Selection
When its not in software configured mode, microstep resolution is set by SW5, 6, 7, 8 of the DIP switch as shown in the following table:
| Microstep | Steps/rev.(for 1.8°motor) | SW5 | SW6 | SW7 | SW8 |
| 2 | 400 | ON | ON | ON | ON |
| 4 | 800 | ON | OFF | ON | ON |
| 8 | 1600 | ON | ON | OFF | ON |
| 16 | 3200 | ON | OFF | OFF | ON |
| 32 | 6400 | ON | ON | ON | OFF |
| 64 | 12800 | ON | OFF | ON | OFF |
| 128 | 25600 | ON | ON | OFF | OFF |
| 256 | 512000 | ON | OFF | OFF | OFF |
| 5 | 1000 | OFF | ON | ON | ON |
| 10 | 2000 | OFF | OFF | ON | ON |
| 25 | 5000 | OFF | ON | OFF | ON |
| 50 | 10000 | OFF | OFF | OFF | ON |
| 125 | 25000 | OFF | ON | ON | OFF |
| 250 | 50000 | OFF | OFF | ON | OFF |
Current Settings
For a given motor, higher driver current will make the motor to output more torque, but at the same time causes more heating in the motor and driver. Therefore, output current is generally set to be such that the motor will not overheat for long time operation. Since parallel and serial connections of motor coils will significantly change resulting inductance and resistance, it is therefore important to set driver output current depending on motor phase current, motor leads and connection methods. Phase currentm rating supplied by motor manufacturer is important in selecting driver current, however the selection also depends on leads and connections. The first three bits (SW1, 2, 3) of the DIP switch are used to set the dynamic current. Select a setting closest to your motor’s required current.
| Peak Current | RMS Current | SW1 | SW2 | SW3 |
| 2.6A | 1.8A | ON | ON | ON |
| 3.2A | 2.3A | OFF | ON | ON |
| 3.8A | 2.7A | ON | OFF | ON |
| 4.4A | 3.1A | OFF | OFF | ON |
| 5.1A | 3.6A | ON | ON | OFF |
| 5.8A | 4.1A | OFF | ON | OFF |
| 6.5A | 4.6A | ON | OFF | OFF |
| 7.2A | 5.0A | OFF | OFF | OFF |
Notes: Due to motor inductance, the actual current in the coil may be smaller than the dynamic current setting, particularly under high speed condition.
Connection
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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).Wonderful Limited Stepper Driver 2.4-7.2A Max 80VAC/110VDC for Nema 34/Nema 42 Motor 256 Microstep CNC Router Mill Cut Laser Engraving Grind Foam
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