Dm860a Driver 7.8a 256micsteps 24~80vdc For 57 85 86 Stepper Motor Tzt

US $73.84

Shenzhen, China
Aug 25th

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Description DM860A Driver 7.8A 256Micsteps 24~80VDC for 57 85 86 Stepper Motor Description: DM860A is a type of two-phase hybrid stepping motor driver, The drive voltage of which is from 24VDC to 80VDC. It is designed for use with 2-phase hybrid stepper motor of all kinds with 57mm to 110mm outside diameter and less than 8.0A phase current. This circuit that it adopts is similar to the circuit of servo control which enables the motor run smoothly almost without noise and vibration. Hording torque when DM860A run under high speed is also significantly higher than the other two-phase driver, what’s more, the positioning accuracy is also higher. It is widely used in middle and big size numerical control devices such as curving machine, CNC machine, and computer embroider machine, packing machines and so on. Features: - High performance, low price - Average current control, 2-phase sinusoidal output current drive - Supply voltage from 24VDC to 80VDC - Opto-isolated signal I/O - Overvoltage, under voltage, overcorrect, phase short circuit protection - 14 channels subdivision and automatic idle-current reduction - 8 channels output phase current setting - Offline command input terminal - Motor torque is related with speed, but not related with step/revolution - High start speed - High hording torque under high speed Electrical Specifications: Pins assignments and description: 1) Connector Pins Configurations 2) Pins wiring diagram: PC’s control signals can be active in high and low electrical level. When the high electrical level is active, all control negative signals will be connected together to GND. When low electrical level is active, all control positive signals will be connected together to public port. Now give two examples ( Open collector &PNP), please check them: Fig 1. Input port circuit (+ connection) PC open connector output Fig. 2 Input port circuit (- connection) PC PNP output Note: When VCC=5V, R=0 When VCC=12V, R=1K, 1/8W When VCC=24V, R=2K,1/8W R must connect in the control signal part. 3. Function choice ( Using DIP pins to achieve this function) 1) Micro step resolution is set by SW 5,6,7,8 of the DIP switch as shown in the following table: 2) Standstill current setting SW4 is used for this purpose. OFF meaning that the standstill current is set to be half of the selected dynamic current and ON meaning that standstill is set to be the same as the selected dynamic current. 3) Output current setting: The first three bits (SW 1, 2, 3) of the DIP switch are used to set the dynamic current. Select a setting closest to your motor’s required current 4) Semi-flow function: Semi-flow function is that there is not step pulse after200 ms, the driver output current automatically reduced to 40% of rated output current, which is used to prevent motor h 4. Pins of motor & power: 5. Mechanical Specification: To have 20mm of space around cannot be placed next to other heating devices. What’s more, avoid dust, oil mist, corrosive gas, heavy humidity and high vibration. (Unit=mm) 6. Adjustment of troubleshooting 1). the status on light’s indication PWR: green, normal work light. ALM: red, failure light, the motor with phase short-circuit, overvoltage and under-voltage protection. 2) Troubles: 7. Driver wiring A complete stepper motor control system should contain stepper drives, DC power supply and controller (pulse source). The following is a typical system wiring diagram Package Included: - 1 x DM860A Driver Payment Terms 1.We accept PayPal only. 2.All major credit cards are accepted through secure payment processor PayPal. 3.Payment must be received within 7 business days of auction closing. 4.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay. Shipping Terms - For remote regions, we will charge your extra shipping costs. Usually it cost about 35USD-50USD. We will contact you after your payment. Thanks for your understanding. Return Terms 1. If you receive defective item, please kindly notify us within 14 days. We will guide you the returning instruction for replacement or refund. 2. If you purchased in improper condition, please NOTE that the sipping and handling fee will not be refund, all return shipping fee should paid by the buyer unless item DOA. 3. We reserve the right to refuse any returns for objective reasons. Custom Duties & Taxes 1. Import duties, taxes, and charges are not included in the item price or postage cost. These charges are the buyer's responsibility. 2. Avoiding some unnecessary trouble, please check with your country's customs office to inform us what we should declare its value before shipping. Feedback 1. If you are dissatisfied for any reason, please don't be quick to leave us neutral or negative feedback. We work hard to make sure EVERY CUSTOMER 100% SATISFIED and resolve any problem for you and always leave positive feedback to all our customers. 2. If you are satisfied with the product you received, please kindly leave us a positive feedback and 5 star DSR. If there is any problem of your order, please feel free to contact us firstly, we are responsible and credible seller, will follow it for you asap. On Aug-25-21 at 02:21:22 PDT, seller added the following information:

Condition:	New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. ...	Modified Item	No
MPN	Does Not Apply
Custom Bundle	No
Brand	Unbranded
UPC	Does not apply