Labview program to control the speed and direction of dc motor. I had previously made a control position of a stepper motor using the lifa labview interface for arduino package but now when trying to download this package informs me that this version has been replaced with linx package, i. The feedback device, usually a quadrature encoder, senses the motor position and reports the result to the controller, thereby closing the loop to the motion. The hardware used are a power supply, a microstep driver, nema 17 stepper motor, ni myrio and ni labview software. For this reason, stepper motors are the motor of choice for many precision motion control applications. Mar 16, 2018 project goal is to be able to control and test the operation of linear actuators powered by stepper motors. I am pretty sure you could control the stepper motor directly from labview. May 03, 20 read about stepper motor with arduino and labview on. Ive installed labview interface for arduino, and have looked at the stepper motor examples, which i think i kind of get but im not sure i fully understand how the case. These motors can be found in old floppy drives and are easy to control.
I just bought a 4 wire stepper motor bipolar i believe from a surplus store, and i want to experiment with controlling the motor via labview. This video describes a project ive been working on that allows you to easily control stepper motors with labview. Can you think of a way for me to alter this or create something new that accomplishes. Stepper motor drives note if you are a new user of labview or ar e unfamiliar with labview, refer to the getting started with labview manual for information about labview and labview terminology. The position of the knob determines the position of the motor shaft, which will stay in that position until the knob is turned again. At this video we show how to control a stepper motor model 28jby48 using a labview interface with linx toolkit and arduino. How do i use the arduino interface for labview to control. Stepper motor control using labview and nimyrio a ganesan1 r nhizanth2 s kamban3 gopalakrishnan. How do i use the arduino interface for labview to control a. Simple manual control of stepper motors without a pic or pc. With a computer controlled stepping you can achieve very precise positioning andor speed control.
Controller stepper motor with labview posted in labview. I am looking to control 2 stepper motors using a labview program. In this example, a potentiometer or other sensor on analog input 0 is used to control the rotational speed of a stepper motor using the arduino stepper library. I want to rotate the motor shaft 60 deg when it receives command from the labview visa. How to control a stepper motor with an l298n driver and. In this case, the stepper motor turns 1 revolution clockwise with 500 stepssec, then turns 1 revolution counterclockwise at stepssec, and lastly turns 2 revolutions clockwise at stepssec. We have used the 28byj48 stepper motor and the uln2003 driver module. Im going to use the stepper motors to drive 2 linear actuators with a pitot tube mounted on them so i can take various measurements of air velocity at different points. Can you think of a way for me to alter this or create something new that. Stepper motor with drv8825 and arduino tutorial 4 examples. So in essence the arduino becomes in this scenario a translator. Im totally new to motors and electronics and greatly appreciate your help. Apr 28, 2011 controller stepper motor with labview posted in labview. A single control cable connects the motion control board to the nudrive, providing the.
This integrated motor driver makes interfacing with a microcontroller super easy as you only need two pins to control both. A stepper motor or a step motor is a brushless, synchronous motor, which divides a full rotation into a number of steps. At the heart of the drv8825 driver you will find a chip made by texas instruments. Arduino stepper motor control tutorial with code and. Controlling a stepper motor with labview ni community. Hi guys, for a project im trying to control a stepper motor using labview. Contribute to ptgroupstepper motorcontroller development by creating an account on github. Industrial circuits application note stepper motor basics.
Arduino stepper motor control tutorial with code and circuit. This reduces the number of control pins to just 2, one for controlling the steps and other for controlling. As a result, they can operate effectively without close. In the tutorial stepper motor speed control in labview, i will explain you a complete step by step procedure to control the clockwise and counter clockwise direction of the stepper motor as well as accelerating and decelerating it with the help of the buttons on the gui created in ni labview using serial. Hello guys i am pretty new to linx and lifa project goal is to be able to control and test the operation of linear actuators powered by stepper motors. In the current scenario, stepper motors are being used for diverse applications due to its flexibility and ease of control. A stepper motor is a synchronous brushless motor with an inherently digital function. Programming stepper motor control labview jobs, employment. Jul 23, 2017 stepper motors current draw is usually quite high so make sure if it is within the l298n supported limit.
By varying the zposition, i wanted to find the focus of an electrical tunable lens from optotune. For this see the data sheet, i dont remember at the moment but i do remember burning the l298n while trying to drive stepper motor through. A stepper motor runs on a pulsed current and with each pulse turns some fraction of a full rotation. This paper deals with the control of stepper motor using ni myrio.
Controller stepper motor with labview labview labjack. Feedback device or position sensor a position feedback device is not required for some motion control applications such as controlling stepper motors but is vital for servo motors. Stepper motors current draw is usually quite high so make sure if it is within the l298n supported limit. Apr 27, 2017 stepper motor speed control in labview. I have a nema17 42hs03 stepper motor, the drv8825, and an ni mydaq. Apr 24, 2017 in the tutorial dc motor speed control in labview, i will explain you a complete step by step procedure to control the clockwise and counter clockwise direction of the dc motor as well as accelerating and deacelerating it with the help of the buttons on the gui created in ni labview using serial communication between arduino and ni labview. A stepper motor is a synchronous, brushless motor that runs on a pulsed current, where each pulse turns a rotor some fraction of a full rotation. I have nipci 6221 and nipxi 7358 with me, the later is specifically manufactured for motion controller but still it has the digital io. For this purpose i chose labview which has an arduino package ready to install. Stepper motor speed control in labview the engineering.
This document explains how to install and configure the ni smd. Im trying to control a stepper motor using an arduino and labview. They have the advantage that they can be positioned accurately, moved forward or backwards one step at a time, but they can also rotate continuously. This page shows two examples on how to drive a unipolar stepper motor. Dc motor speed control in labview the engineering projects. I downloaded the example from the website, labview stepper example 71 and ive modified it for my use. The one we use has 6 connectors of which one is power vcc and the other four are used to drive the motor sending synchronous signals.
Oct 02, 2015 from the construction of the turbo jet engine to the flight just one step duration. Stepper motor speed control in labview the engineering projects. Except for limit switches no other feedback is used in the stepping motor control system. Stepper motor with labview doing my little part, changing. This driver has been designed to operate with a variety of lower powered motors up to 15v at 12w operation equipped with or without encoder feedback. Read about stepper motor with arduino and labview on. In the tutorial dc motor speed control in labview, i will explain you a complete step by step procedure to control the clockwise and counter clockwise direction of the dc motor as well as accelerating and deacelerating it with the help of the buttons on the gui created in ni labview using serial communication between arduino and ni labview. The a4988 stepper motor driver has output drive capacity of up to 35 v and 2a and lets you control one bipolar stepper motor at up to 2a output current per coil like nema 17. Motion control peripherals nudrives are motor power drivers for use with national instruments motion control boards and applicationspeci. Mar 14, 2019 feedback device or position sensor a position feedback device is not required for some motion control applications such as controlling stepper motors but is vital for servo motors. I want to rotate the motor shaft 60 deg when it receives command from the labviewvisa. The only way for a labview program to communicate with the arduino is via serial port.
In my project for rotating the filter disc i am using a stepper motor, this motor will have a well defined home position by using hall effect sensor. Fundamentals of motion control national instruments. Arduino stepper motor control circuit diagram and explanation. From the construction of the turbo jet engine to the flight just one step duration. Controlling a stepper motor through arduino and labview. Controller stepper motor with labview labjack forum. For this project i decided to use arduino uno microcontroller. By motion control online marketing team posted 06062017. R4 1,2,3student 4assistant professor 1,2,3,4department of instrumentation and control engineering 1,2,3,4saranathan college of engineering trichy, india abstractin the current scenario, stepper motors are being. The stepper motors are from linengineering and the stepper motor driver is from peter norberg consulting. Unlike a brushless dc motor, which rotates continuously when a fixed dc voltage is applied to it, a step motor rotates in discrete step angles. See the unipolar and bipolar motor schematics for information on how to wire up your motor.
Overview stepper motors fall somewhere in between a regular dc motor and a servo motor. Typical step angles for the hb stepper motor range from 3. Lab view based micro stepping control of stepper motor using. Kst101 kcube stepper motor controller apt user guide. The complete program can be found at the end of the tutorial few important lines are explained below. In particular, there are currently no plans for using tachometers. The hybrid stepper motor is more expensive than the pm stepper motor but provides better performance with respect to step resolution, torque and speed. The circuit diagram for the arduino stepper motor control project is shown above. Pdf stepper motor control using labview and nimyrio. Driving a stepper with arduino, labview and a hbridge l298n lifa for a project in university i had to drive a stepper motor which drives a wormdrive. This document explains how to install and configure the ni smd76791476157616 stepper motor drive. How do i use the arduino interface for labview to control a stepper motor.
The example code will control both kinds of motors. Etchasketch stepper motor control with labview and. Driving a stepper with arduino, labview and a hbridge. Lab view based micro stepping control of stepper motor. Fyi again i am new to labview, so dont expect too much from this article. If there is a new value, it converts it into integer byte with the same value.
I am not good in labview and dont have much knowldge about stepper motor, but this part of my project and i have to do. Stepper motors come in many different sizes and styles and electrical. The simulation can also be launched on its own from the labview project, motor controller. A colleague gave me something hacked together from your examples that allows me to run a fixed number of steps. To energise the four coils of the stepper motor we are using the digital pins 8,9,10 and 11. I am currently working on a project to control the speed and direction of a stepper motor on labview. I would like to implement a labview switch that allows me to turn a stepper motor onoff at will rather than a fixed number of steps. Example sketch to control a 28byj48 stepper motor with uln2003 driver board, accelstepper and arduino uno.
This integer byte represents the delay interval used in stepping sequence. That, the greater the delay the lower the speed and vice versa. A single control cable connects the motion control board to the nudrive, providing the pathway for all command and feedback signals. How to control position of a stepper motor with labview and. In this tutorial we are going to write the arduino stepper motor code and for that we will program the arduino in such a way that we can enter the number of steps to be taken by the stepper motor through the serial monitor of the arduino. The hybrid stepper motor combines the best features of both the pm and vr type stepper. Can anyone link me to a useful tutorial on how to control both speed and direction. Else, arduino continue running the motor at current speed. The kcube stepper motor controller kst101 is a compact single channel controller for easy manual and automated control of small 2phase bipolar stepper motors. I needed an easy setup for the correlation between current of the lens and focal power. The simulation actually simulates both the physical environment and the pdp data collection, so it should be a reasonably accurate reflection of the data you. In vis where a timestamp is given to a labview control, it must be converted to the epoch used by labview, which starts. In this section we will write labview program to control the speed and direction of dc motor. As far as i know, the motor requires that i energize and deenergize 2 of the wires in a sequece, and have the other two inverted red blue yellow white.
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