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NPM AD1431 User Manual

Stepper motor driver
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YA7179-1/2
Stepper Motor Driver
Nippon Pulse Motor Co., Ltd

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Summary of Contents for NPM AD1431

  • Page 1 YA7179-1/2 Stepper Motor Driver Nippon Pulse Motor Co., Ltd...

  • Page 2: Table Of Contents

    Stepper Motor Driver AD1431 YA7179-1/2 Table of Contents 1. Product Warranty ............................ 1 1-1. In the case of purchase from a supplier other than NPM..........1 1-2. Warranty period ....................... 1 1-3. Warranty scope........................ 1 1-4............................1 1-5............................1 1-6.

  • Page 3: Product Warranty

    The defects or damage results from the cause other than the fault of NPM. Note 1) Only if the product with defects is carried to the specific place to repair, NPM will repair the product. NPM will not provide on-site repair.

  • Page 4: Features

    Stepper Motor Driver AD1431 YA7179-1/2 2. Features AD1431 is a constant current stepper motor driver of 2 phase bipolar type. - It drives a bipolar motor. - Output current can be set by a rotary switch easily. - It has auto current down function to prevent heat generation during the motor stopping.

  • Page 5: Specifications

    Stepper Motor Driver AD1431 YA7179-1/2 3. Specifications Product Name : Stepper Motor Driver Model : AD1431 Electrical Input voltage Control power : DC12V -10% to DC24V +10% specifications Capacity: 2A, with fuse. Control method Bipolar constant current Excitation method 2 phase (FULL), 1-2 phase (HALF), W1-2 phase (1/4),...
  • Page 6 Stepper Motor Driver AD1431 YA7179-1/2 Environmental Operating 0 to 50 °C Condition temperature range Operating humidity 0 to 80%RH (No condensation) range Storage -10 to 60 °C temperature range Others External 60(W) x 50(D) x 30(H) [mm] (including heatsink) dimensions...
  • Page 7 Stepper Motor Driver AD1431 YA7179-1/2 *1 Auto current down Auto current down is a function to prevent heat generation by adjusting to set lower current after pulse signals stop. This driver allows to lower the current to 25%, 50% and 75% of the normal current to drive the motor.
  • Page 8 Stepper Motor Driver AD1431 YA7179-1/2 *3 EORG photocoupler ON/OFF condition in the following excitation methods The EORG photocoupler turns ON in the initial excitation condition (Both A and B phases excitation are the same with those of the initial location.).
  • Page 9 If the motor is stopping and excited by strong current for a long time without using ACD function, AD1431 generates heat. When it is used in enclosed narrow space, the temperature raise may damage functions of this driver. In this case, we recommend that you use ACD function to cut down power consumption or you use an external heatsink additionally.

  • Page 10: Connection

    Stepper Motor Driver AD1431 YA7179-1/2 *5 Components for use Electronic components for use may be changed to equivalents without prior notice. In that case, constants of surrounding devices, such as resistors, may be changed in accordance with the specification. 4. Connection Connector No.
  • Page 11 Stepper Motor Driver AD1431 YA7179-1/2 Connection example of CN2 Input/output interface User controller AD1431 Forward current I Pins 1, 3, 5 and 7 of CN2 Input signal Pins 2, 4, 6 and 8 of CN2 Collector current I Pin 9 of CN2...
  • Page 12 Stepper Motor Driver AD1431 YA7179-1/2 Typical example of connection with driver AD1431 driver ドライバAD1431 Switch between 2パルス方式と1パルス方式の変更 two pulse and one pulse method モータの励磁方式の変更 PWR+ Change motor excitation method DC+24V DC+24V PWR- 電源 Power 駆動電流の切替え Switch driving current ユーザコントローラ User controller カレントダウン時の...

  • Page 13: System Features

    Stepper Motor Driver AD1431 YA7179-1/2 5. System features 5-1. Block diagram POWER DC-DC PWR+ Fuse PWR- IL-G-2P-S3T2-SA スイッチ Switch INPUT OUTPUT CW+/CLK+ フィルタ Motor Switch Filter CW-/CLK- between 1パルス‐2パルス CCW+/DIR+ 切り替え CCW-/DIR- 1 pulse or MOT_OFF+ MOT_OFF- Filter フィルタ Motor...
  • Page 14 Stepper Motor Driver AD1431 YA7179-1/2 By setting SW1-3 to SW1-4, you can change the motor excitation method. SW1-3 SW1-4 Setting 2 phase excitation 1/1 (Full) step* 1-2 phase excitation 1/2 (Half) step* W1-2 phase excitation 1/4 step 4W1-2 phase excitation 1/16 step...

  • Page 15: Sw2 Setting

    Stepper Motor Driver AD1431 YA7179-1/2 5-3. SW2 setting SW2 (rotary switch) can switch the driving current. SW2 setting value : SW2 setting value Current value（A） 0.11 0.19 0.32 0.39 0.50 0.57 0.66 0.72 0.81 0.86 0.94 0.99 1.06 1.10 1.16 1.20...

  • Page 16: Sw3 Setting

    Stepper Motor Driver AD1431 YA7179-1/2 5-4. SW3 setting When auto current down setting is selected, SW3 can set the driving current in the current down setting. SW3 setting： Driving Setting SW3-1 SW3-2 SW3-3 current When you change SW3, 100% of the driving current flows as shown below. Please note that the motor and driver may produce heat if other than the setting location is selected.

  • Page 17: Handling Precautions

    Stepper Motor Driver AD1431 YA7179-1/2 6. Handling precautions 6-1. This driver is a natural cooling type. Put this product in well-ventilated place as possible and space more than 10mm out around this driver. 6-2. Do not use in place with dust, oil mist, corrosive gas, etc. Additionally, remove dust periodically.

  • Page 18: External Dimensions

    Stepper Motor Driver AD1431 YA7179-1/2 8. External dimensions 8-1. External dimensions including the heatsink Dimension tolerance : ±0.1 Unit : mm Thickness of heatsink: 1.5mm 8-2. Board layout - 16 -...
  • Page 19 Stepper Motor Driver AD1431 YA7179-1/2 The descriptions in this manual may be changed without prior notice to CAUTION improve performance or quality. Nippon Pulse Motor Co., Ltd. Head Office: No.16-13, 2-chome, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan TEL: 81-3-3813-8841 FAX: 81-3-3813-8665 Web: http://www.pulsemotor.com...

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