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MD556
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MSD556 Manual - 56907 Appendix 11. Wire Connection

In order to improve driver noise rejection, it is recommended to use twisted pair shield cable. 3X Motion Technology Co., Ltd. warrants its products against defects in materials and workmanship for a period of 12 months from shipment out of factory. During the warranty period, 3X Motion will either, at its option, repair or replace products which prove to be defective. To prevent noise incurred in pulse/dir signal, Pulse/direction signal wires and motor wires should not be tied up together. It is better to separate them by at least 10 cm, otherwise the motor noise will easily disturb pulse direction signals, motor position error, system instability and other types of failure. If a power supply serves several drivers, separate connecting drivers is recommended instead of daisy-chaining. It is prohibited to pull and plug connector P2 while driver is powered ON, because there is high current flowing through motor coils (even when motor is at standstill). Pulling or plugging P2 with power on will cause extremely high back-EMF voltage surge, possibly destroying the driver. MD556 The above warranty shall not apply to defects resulting from: improper or inadequate handling by customer; improper or inadequate customer wiring; unauthorized modification or misuse; or operation outside of the electrical and/or environmental specifications for the product. To obtain warranty service, a returned material authorization number (RMA) must be obtained from customer service at e-mail: europe@3xmotion.com before returning product for service. Customer shall prepay shipping charges for products returned to 3X Motion for warranty service, and 3X Motion shall pay for return of products to customer. 3X Motion makes no other warranty, either expressed or implied, with respect to the product. 3X Motion specifically disclaims the implied warranties of merchantability and fitness for a particular purpose. Some jurisdictions do not allow limitations on how long and implied warranty lasts, so the above limitation or exclusion may not apply to you. However, any implied warranty of merchantability or fitness is limited to the 12-month duration of this written warranty. If your product should fail during the warranty period, please request an RMA number by emailing us at europe@3xmotion.com . Please include a written description of the problem along with contact name and address. 14 (4) 15