NPM AD1231 User Manual
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NPM AD1231 User Manual

Stepper motor driver
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YA7159-1/3
Stepper Motor Driver
Nippon Pulse Motor Co., Ltd

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Summary of Contents for NPM AD1231

  • Page 1 YA7159-1/3 Stepper Motor Driver Nippon Pulse Motor Co., Ltd...

  • Page 2: Table Of Contents

    Stepper Motor Driver AD1231 YA7159-1/3 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 AD1231 YA7159-1/3 2. Features AD1231 is a constant current stepper motor driver of 2 phase unipolar type. - It drives a unipolar motor with bifilar coil windings. - Output current can be set by a rotary switch easily.

  • Page 5: Specifications

    Stepper Motor Driver AD1231 YA7159-1/3 3. Specifications Product Name : Stepper Motor Driver Model : AD1231 Electrical Input voltage Control power : DC12V-10% to DC24V+10% specifications Capacity: 3[A], with fuse. Control method Unipolar constant current Excitation method 2 phase (FULL), 1-2 phase (HALF), W1-2 phase (1/4),...
  • Page 6 Stepper Motor Driver AD1231 YA7159-1/3 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 AD1231 YA7159-1/3 *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 AD1231 YA7159-1/3 *3 EORG photocoupler ON/OFF condition in the following excitation methods The EORG photocoupler is ON in the 2 phase excitation method (Both A and B phases are excited by the same current.) The timing in each excitation method is as follows.

  • Page 9: Connection

    Stepper Motor Driver AD1231 YA7159-1/3 4. Connection Connector No. Pin No. Signal name Remarks PWR+ Control power DC+24V (Power supply) PWR- Control power GND CW+(CLK+) CW signals in the two pulse method (CW/CCW) (I/O) When the photocoupler turns ON to OFF, the step motion is made in the CW direction.
  • Page 10 Stepper Motor Driver AD1231 YA7159-1/3 Connection example of CN2 Input/output interface User controller AD1231 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 11 Stepper Motor Driver AD1231 YA7159-1/3 Typical example of connection with driver AD1231 driver ドライバAD1231 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 Switch driving current 駆動電流のモード切替え ユーザコントローラ User controller カレントダウン時の...

  • Page 12: System Features

    Stepper Motor Driver AD1231 YA7159-1/3 5. System features 5-1. Block diagram POWER DC-DC PWR+ Fuse PWR- IL-G-2P-S3T2-SA Switch スイッチ INPUT OUTPUT Switch Filter CW+/CLK+ フィルタ Motor CW-/CLK- between 1パルス‐2パルス CCW+/DIR+ 1 pulse or 切り替え CCW-/DIR- Motor MOT_OFF+ 2 pulse MOT_OFF- フィルタ...
  • Page 13 Stepper Motor Driver AD1231 YA7159-1/3 By setting SW1-2 to SW1-4, you can change the motor excitation method. SW1-2 SW1-3 SW1-4 Setting 2 phase excitation 1/1 (Full) step * 2 phase excitation 1/1 (Full) step * 1-2 phase excitation 1/2 (Half) step *...

  • Page 14: Sw2 Setting

    Stepper Motor Driver AD1231 YA7159-1/3 5-3. SW2 setting SW2 (rotary switch) can switch the driving current. SW2 setting value : SW2 setting value Current value（A） 0.13 0.26 0.39 0.52 0.65 0.77 0.90 1.02 1.16 1.28 1.40 1.52 1.64 1.76 1.88 2.00...

  • Page 15: Sw3 Setting

    Stepper Motor Driver AD1231 YA7159-1/3 5-4. SW3 setting When auto current down setting is selected, SW1 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, all SW1-1 to 3 turn OFF temporarily and 100% of the driving current flows. Please note that the motor may produce heat if this condition continues for a long time.

  • Page 16: Handling Precautions

    Stepper Motor Driver AD1231 YA7159-1/3 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 17: External Dimensions

    Stepper Motor Driver AD1231 YA7159-1/3 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 - 15 -...
  • Page 18 Stepper Motor Driver AD1231 YA7159-1/3 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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