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STEPMO_EVK_20x

Evaluation Board Manual

EUDC59-U-002 - Rev. 1.3

4.2 Software

●

Installation Procedure

1. The latest Arduino Software (IDE) can be downloaded here:

https://www.arduino.cc/en/Main/Software

Please download and install it.

Note: It is very important to use the latest IDE version. The provided software library and demo sketches have been tested
with Arduino IDE Version 1.6.10. They will not run with older versions such as 1.6.5.

2. The latest ROHM STEPMO_EVK_20x software delivery package can be downloaded here:

http://www.rohm.com/web/eu/arduino-stepper-motor-shield

Please download it and unzip the package in the subfolder

Arduino\libraries\

.

This folder is typically located at

C:\Program Files (x86)\

.

After unzipping a folder called “ROHM_Steppers” is created. For contents of this folder please see the bullet point “Content
of the Software Delivery Package

”.

Figure 5

: System path showing the location of the unzipped folder “ROHM_Steppers”

3. Run the Arduino IDE and open the provided ROHM example sketches.

For more information about how to use the Arduino IDE please refer to

https://www.arduino.cc/en/Guide/Environment

Figure 6

: Arduino IDE with the “ROHM_Steppers” Menu Item and the available example programs

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Содержание STEPMO_EVK_20x

Страница 1: ... low power logic together with highly efficient DMOS output power stages These do not require an internal charge pump so the motor drivers achieve low EMI performance The motor drivers integrate various protection functions such as Ghost Supply Prevention GSP Thermal Shutdown TSD Over Current Protection OCP Under Over Voltage Lockout UVLO OVLO high ESD resistance and Pin Short Protection for robus...

Страница 2: ...rnings 3 1 2 Instructions for Safe Use 3 2 Introduction 4 2 1 Block Diagram 4 2 2 Model Overview 5 3 Hardware Description 5 3 1 Schematic 6 3 2 Bill of Materials 8 4 Setup Instruction 9 4 1 Hardware 9 Master Slave Mode 9 Current Limitation Value 11 Current Decay Mode 12 Supply and Motor Connection 13 Connection to Microcontroller Motherboard 14 4 2 Software 15 Installation Procedure 15 Content of ...

Страница 3: ...and safety are met The connection of incompatible devices to the EVK may affect compliance or result in damage to the unit and invalidate the warranty 1 2 Instructions for Safe Use Do not expose the EVK to water moisture or place on a conductive surface whilst in operation Do not expose the EVK to temperatures which are out of the operational range specified for hardware and components populating ...

Страница 4: ...lug in boards are also called Shields The microcontroller programs created using the Arduino IDE are called Sketches For more information about Arduino please visit https www arduino cc Of course the EVK hardware can be operated with any other microcontroller platform if desired if this is preferred for evaluation of the IC performance For this case the required information about the necessary IO ...

Страница 5: ...are the in assembled motor driver IC part number see Table 1 and the different current sense resistor values For schematics and BOMs of all available model versions please visit http www rohm com web eu arduino stepper motor shield Main part of the EVK is the ROHM stepper motor driver labelled IC4 Q2 R20 and Z3 form a reverse power supply protection Z2 is a TVS diode to protect against transient s...

Страница 6: ...5 1 3 2 4 D2 R14 470 R15 470 1 3 2 4 5 6 Nch Pch D S G G S D Q1 TVS Z2 L3 n m L4 n m L5 n m L6 n m C11 n m C14 n m C15 n m C18 n m 1 5 8 4 6 7 2 3 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 GND OUT1B RNF1 RNF1S OUT1A NC VCC1 NC GND CR TEST0 NC MTH VREF PS NC OUT2B RNF2 RNF2S OUT2A NC VCC2 NC IC4 STEPMO_EVK_20x 5 20 2016 Page1 COMPANY DESIGN TITLE AUTHOR PAGE DRAWING NO REVISION CHE...

Страница 7: ...N IC3 L1 5 6u D1 RB060M 60 C1 4 7uF C4 4 7uF C2 10uF C3 10nF C12 10nF C5 15nF Z1 EDZ4 7B J1 8 9 10 11 12 13 GND AREF SDA SCL SS MOSI MISO SCK SPI I2C DIGITAL PWM RX 0 TX 1 INTERRUPT 0 DIGITAL PWM 2 INTERRUPT 1 3 4 5 6 7 IOREF RESET 3 3V POWER 5V GND GND Vin ANALOG A0 A1 A2 A3 SCL I2C A4 SDA A5 ARDUINO ONE CONNECTOR J5 R3 R21 R22 R1 43k R2 5 1k D3 RB551VM 30 STEPMO_EVK_20x 5 20 2016 Page2 COMPANY D...

Страница 8: ...C3 Wide Input Range DCDC Regulator ROHM BD9G101G TR 1 IC4 Stepper Motor Driver ROHM BD63520AEFV E2 1 J1 Jumper 2 Way FCI 77311 118 02LF 1 J2 Jumper 3 Way FCI 77311 118 03LF 1 J4 ARDUINO Stackable Header 6pin 14mm5 height Arduino A000084 0 5 J5 C ARDUINO Stackable Header 6pin 14mm5 height Arduino A000084 0 5 J5 A J5 D ARDUINO Stackable Header 8pin 14mm5 height Arduino A000085 1 J5 B ARDUINO Stackab...

Страница 9: ... power supply is applied Master Board Default Jumper J1 is open Buck regulator supply 7V is enabled to generate VIN for Arduino Green LED of D2 is lit Arduino IO mapping according to the following table ALL Model EVK Versions except C E ARDUINO IO Schematic MUX Routing Between Signal Motor Driver IC Pin No Net Name Pin Pin Name No Name A1 PS1 IC1_X1 IC1_X PS 14 PS 3 ENABLE1 IC1_Y1 IC1_Y ENABLE 20 ...

Страница 10: ... IC1_Z MODE0 18 MODE0 12 CW_CCW0 IC2_Y0 IC2_Y CW_CCW 16 CW_CCW 9 CLK0 IC2_W0 IC2_W CLK 15 CLK Model EVK Versions C E ARDUINO IO Schematic MUX Routing Between Signal Motor Driver IC Pin No Net Name Pin Pin Name No Name A0 PS0 IC1_X0 IC1_X PS 14 PS 2 ENABLE0 IC1_Y0 IC1_Y ENABLE 20 I12 4 MODE10 IC1_W0 IC1_W MODE1 19 I02 5 MODE00 IC1_Z0 IC1_Z MODE0 18 PHASE2 8 TEST10 IC2_X0 IC2_X TEST1 17 I11 12 CW_CC...

Страница 11: ...the potentiometer R19 The current limit value will depend linearly on the potentiometer setting For reference the approximate values for minimum and maximum current limit values are given in Table 5 With the corresponding values of VREF and RNF the set current limit value can be calculated with the formula 𝐼𝑂𝑈𝑇 𝑝𝑒𝑟 𝑝ℎ𝑎𝑠𝑒 𝑉𝑅𝐸𝐹 5 𝑅𝑁𝐹 VREF can be accessed at test point TP1 for indirect measurement of...

Страница 12: ...rent decay modes with the Jumper J2 J3 as described in Table 6 In mixed decay mode it is also possible to apply an external voltage not supported by model version F to find the optimum setting Note The current decay setting is only effective when the IC is operating in current limitation mode For details please refer to the according section in this document ALL Model EVK Versions except F Jumper ...

Страница 13: ... 4 wire bipolar or 5 wire unipolar stepper motor to the screw terminal J7 J8 The outputs V1A and V1B belong to one phase of the motor while V2A and V2B to the other If the motor spins clockwise when it should go counter clockwise the polarity of one phase should be reversed i e the wiring position of one phase should be swapped either V1A with V1B OR V2A with V2B not both The connection of a bipol...

Страница 14: ...e Function in EVK Vin 7V This pin provides a supply voltage generated by EVK from the applied motor voltage at screw terminal J6 This voltage is used as input voltage for the Arduino motherboard or any other microcontroller board which may be used The maximum current drawn from this pin must not exceed 500mA tbc 5V 5V This voltage is supplied by the Arduino motherboard to the EVK In case of using ...

Страница 15: ... delivery package can be downloaded here http www rohm com web eu arduino stepper motor shield Please download it and unzip the package in the subfolder Arduino libraries This folder is typically located at C Program Files x86 After unzipping a folder called ROHM_Steppers is created For contents of this folder please see the bullet point Content of the Software Delivery Package Figure 5 System pat...

Страница 16: ...V board connected Demonstrating CW CCW clock speeds full half micro stepping etc Example Sketch Two EV boards connected Demonstrating CW CCW clock speeds full half micro stepping etc Implementation of the library It only needs a header file A cpp file is not used Table 11 Contents of the ROHM STEPMO_EVK_20x software delivery package DEMO Sketch Basic Demo Running BD63720AEFV in continous full step...

Страница 17: ...iming requirements How to set up the stepping mode full step half step etc Use the method MODE int mode For example to set the stepper motor driver in quarter step mode use instancename MODE QUARTER_STEP Predefined values for mode FULL_STEP HALF_STEP HALF_STEP_A HALF_STEP_B QUARTER_STEP EIGHTH_STEP SIXTEENTH_STEP Default FULL_STEP Note that not every stepper motor driver IC supports every stepping...

Страница 18: ... 3 How to control two stepper motor driver EVKs at the same time When the instance of ROHM_Stepper class is instantiated with the parameter TWO the methods as described in this FAQ are available with the suffixes _M and _S These will allow controlling the two shields individually See sketch examples for references ...

Страница 19: ...bed in the Manual Code of federal regulations As noted in the DESIGN KIT Manual this DESIGN KIT and or accompanying hardware may or may not be subject to and compliant with the Code of Federal Regulations Title 47 Part 15 For DESIGN KITs annotated to comply with the Code of Federal Regulations Title 47 Part 15 Operation is subject to the following two conditions 1 This DESIGN KIT may not cause har...

Страница 20: ...g interface electronics including input power and intended loads Any loads applied beyond the specified output range may result in unintended and or inexact operation and or possible lasting damage to the DESIGN KIT and or interface electronics Please consult the DESIGN KIT Manual prior to connecting any load to the DESIGN KIT output If there is uncertainty regarding the load specification please ...

Страница 21: ...y Lifecycle Information ROHM Semiconductor ROHM STEPMO_EVK_208 ROHM STEPMO_EVK_20E ROHM STEPMO_EVK_206 ROHM STEPMO_EVK_20F ROHM STEPMO_EVK_205 ROHM STEPMO_EVK_20C ROHM STEPMO_EVK_207 ROHM STEPMO_EVK_20A ROHM STEPMO_EVK_209 ROHM STEPMO_EVK_204 ROHM STEPMO_EVK_203 ROHM STEPMO_EVK_202 ...

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