Questions tagged [stepper-driver]

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1answer
138 views

Bipolar stepper motor spins very slowly and makes a loud noise

I got a custom PCB. I am using DRV8428P driver (here is the datasheet) for a stepper motor. The problem I am facing is not being able to have the stepper rotate ...
1
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1answer
46 views

Bipolar stepper motor doesn't spin but vibrates

I got a problem with controlling a bipolar stepper motor. It doesn't spin but vibrates. Here is the schematic of my stepper driver: DVDD supplies 5v DC. Here is the wiring map from the motor's ...
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0answers
91 views

TMC2130 Stepper Motor on Raspberry Pi. SPI issue?

For the last few days I've been struggling to get a NEMA17 (1.5 rated current) stepper motor to function with TMC2120 driver (vref = 1.0) and I'm all out of options now to try, so I'm here looking for ...
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1answer
60 views

Torque half step/full step in stepper motor

At an exam, I was asked the following question: A stepper motor has the greatest torque on its shaft in the 'halfstep/full step'. Everywhere on the internet it says that full step gives the most ...
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2answers
88 views

Purpose of PWM in a stepper motor driver

I was looking into the operation of a certain stepper motor driver, and probed the phase lines to see how they looked. As expected, I found that there were two 50% duty cycle signals with a 90 degree ...
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0answers
23 views

For the DVR8825 IC chip (not the carrier/module), nSleep and nReset need to be HIGH, why does connecting them to the IC's 3.3V out not work?

A breadboard prototype was made using the DVR8825 carrier/module: A microcontroller's HIGH was connected to nReset and nSleep. Now a prototype was made using the IC/chip. It's 3.3V output was ...
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1answer
37 views

Replacing a single dual shaft stepper motor with 2 stepper motors

I have a stepper motor that is 42x42x60mm (width, length, height) and has a shaft in the front and back of the motor. This thing has finally given out and won't rotate even when powered down. But I ...
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0answers
33 views

Closed Loop Stepper Motor/Driver

I have been tasked with building a motion control demo box. The controller MUST include an Omron Delta Tau Power PMAC (CK3W-AX1515P). I can be flexible with the other components (motors, drivers, etc.)...
0
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1answer
85 views

Why do stepper motors draw less current at higher speeds?

I have an A4988 and a NEMA17, when I set the current limit to 1.5 A and the motor runs at a low speed of 0.2 RPS I measure the current and effectively it draws 1.5 A. Now when I run the motor with the ...
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2answers
67 views

What voltage does a stepper motor need to be run at for optimal torque?

Take this motor for example. It is rated for 24-48V, 4.2A/phase, 0.9 ohm coils, and 3 Nm holding torque. Using a motor driver like this, what is the ideal voltage to run the motor at to achieve the ...
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0answers
26 views

How to set holding torque in 3 phase stepper motor drivers?

I have no previous experience with stepper motors. I want to use such a 3-phase driver in a 3-phase open loop stepper motor. I looked at the datasheet here, but I couldn't see any information about ...
0
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1answer
205 views

Calculate the correct current limit for driver A4988

Im using the driver A4988 together with stepper 28byj-48. Ive read somewhere that the correct current limit on 28byj-48 is somewhere between 0.1-0.15 v. However if I feed it with 12 v there is a high ...
2
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5answers
192 views

BLDC vs Stepper motor

How is a BLDC motor fundamentally different from a stepper motor? They both operate in the same way where you manually energize coils to force the rotor to turn. Is there a reason you couldn't do ...
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2answers
96 views

Rotary encoder connected to stepper driver

I want to control the speed of a stepper motor using a rotary encoder (OMRON E6B2 series) conected to one of the PUL terminals of a DM556S stepper driver. ¿Is that possible? ¿Which encoder type would ...
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0answers
26 views

Raspberry Pi motor hat not a 1 to 1 with stepper driver?

Just a general question that someone hopefully can answer. I've been working on getting a large stepper motor setup with a Raspberry Pi, so I went for a DM556T stepper driver. I've gotten the smaller ...
0
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1answer
93 views

How to achieve high speed microstepping?

I used an Arduino Uno with A4988 driver with 1/16 microstepping and tried to achive the highest speed possible. Using AccelStepper library ...
2
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3answers
68 views

DC Stepper Motor vs DC Gearmotor

We are trying to come up with a way to turn an auger type shaft as slowly as possible to continuously dispense a very small amount of particulates (~ 5 grams per minute). Would a DC gearmotor with a ...
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0answers
37 views

Stepper Motor Driver (2CM560) ERR ports

I have a Kinco 2CM560 stepper motor driver. There are 2 ports on this driver named "ERR+" and "ERR-" that I can't figure out fully what is their functionality! why we need this ...
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2answers
2k views

FPGA to control NEMA stepper motor

Is it possible to control a NEMA Stepper motor directly from an FPGA without a separate Motor Driver Circuit? I have the following setup: TinyFPGA BX (https://tinyfpga.com) NEMA 17HS4401 (https://...
1
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1answer
83 views

Korad Power Supply Flashing and Clicking: Both CC and CV

I'm testing a stepper motor (NEMA 34, variable 30-100v, 6 amp stall current). I'm using a variable DC power supply (Korad KD3005D, up to 30v, 5A) to power it. When I supply power to the motor (...
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1answer
71 views

Stepper motor ratchetting behavior causes?

DRV8825 Stepper Motor Driver Carrier, High Current Arduino Uno microcontroller Voltage regulator: LM2936MP (12 V in, 5 V out for Arduino) Power supply: S-240-24V 240w The fault' pin (18) was checked. ...
0
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1answer
54 views

Stepper motor control

I need some professional advice about driving stepper motors. Let's say for example I need to control multiple stepper motors (5 or so) in a machine/device that are located further away (max 1 meter). ...
2
votes
1answer
86 views

Stepper Motor Calculation

I'm using this Stepper Motor from TI. This is the first time I am working with Stepper Motor. I need to calculate the load current or the current that the Motor takes. The Stepper is rated at 0.6A/...
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2answers
127 views

Do I need a higher amperage power supply for more stepper motors

I have a very simple question: I am trying to power five 28BYJ-48 stepper motors attached to some ULN2003 driving boards but I am confused about the amperage I need. Each of the stepper motors needs ...
1
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1answer
933 views

Powering a NEMA 17 motor | Wattage Vs Voltage

I apologize if the question is silly as this is my first project involving stepper motors and I'm confused about power supply specifications. So I'm working on a project involving: 3 NEMA 17 Stepper ...
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1answer
124 views

Stepper motor failing - caused by PWM or else?

As suggested over at my original question at raspberrypi.stackexchange.com, I'm also posting my issue here, you'll find it verbatim at the bottom of this question. Because this is an electrical ...
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2answers
155 views

How do Arduino-based 3D-printers control several stepper motors at the same time?

I have been using an Arduino to control a stepper motor using an A4988 stepper driver. The driver requires the direction and step signal to move the motor. The most straightforward method is to use a ...
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2answers
243 views

Fake microstepping in A4899 and LV8729 stepper-drivers?

I built a test jig to experiment with a friend's 16-pin A4988 stepper driver, and even added bi-directional LEDs to the outputs and, regular LEDs to the inputs, to see if it behaved as expected. By ...
0
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1answer
96 views

DRV8825 Stepper Driver Burning Up

I am trying to wire up 3 NEMA 23 Steppers driven by 3 DRV8825 drivers and an Arduino Due. I tried to solder a perfboard prototype, but when I turned it on the first board burned and the ground jumper (...
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2answers
757 views

What could be the reasons for a stepper motor stuttering with an A4988 driver?

I am using an A4988 Stepper Motor Driver, which is controlled with an STM32F767ZI on a Nucleo 144 board. The stepper motor takes 12 V with a maximum of 350 mA. When powered, the motor simply flickers ...
2
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1answer
53 views

Decay Modes - Stepper Motor related Query

I'm trying to understand something fundamental about Decay Modes.It is widely accepted on the internet that a slow decay mode shorts the Back-EMF of the motor and in essence stops the motor ...
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1answer
302 views

Stepper motor driver TMC2209 is powered from microcontroller logic pins

I am doing my first steps with a TMC2209 V1.2 stepper motor driver and a NodeMCU. This is my circuit: I power the motor side via 12 V supply (12 V on the lower rails). In the circuit, this is ...
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0answers
41 views

Power Supply for Stepper Motor Stop Motion Camera Rig

Apologies in advance for this being a somewhat meandering question. I've read all the forums I can find on this and other sites but still feel I need a little direct assistance; if you feel this is ...
2
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0answers
38 views

add 2 buttons to this sketch

Can anyone tell me how to add 2 button switches to this sketch (one forward and one reverse) for a second motor?` This code works great and I would like to just add the some button switches to pins 4 ...
0
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1answer
314 views

Stepper motor skipping steps until I lower voltage

I have four of KL23H2100-35-4B stepper motors on my 3-axis CNC (doubled up on the y-axis); these are 3.5A 4-wire bipolar stepper motors with a rated 2.8mH inductance. I am driving them with the ...
0
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1answer
39 views

Reduce the output current from a stepper driver

I have to control 2 stepper motors with a single driver (multiplexing one at a time) and both motors are different, one 1.7A and the other 0.4A, if I set the current to 1.7A the 0.4A motor can burn ...
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3answers
145 views

Stepper Driver pulses control (with Arduino)

I intend to control the speed of a stepper motor thanks to a driver connected to Arduino (Mega). Basically the driver has, among others, 2 pins, PUL+ (Vcc) and PUL- (GND, common cathode), and each ...
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2answers
67 views

Which should I use? Stepper or DC motor?

I have a project where I have to sweep a windshield wiper about 90° at a rate of 150 sweeps/minute. (~3 sweeps/second) Since the sweep rate is high, I was thinking of using a stepper motor to get it ...
0
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1answer
105 views

Can I run 2amp/1.76v stepper motor on drv8825 driver?

I do electronics for fun and need help understanding the principles when coupling stepper motors and drivers! I have this type of stepper motor: kh56km2u027 and a drv8825 stepper driver, and was ...
0
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1answer
91 views

Multiple Trinamic TMC5130 drivers with stallguard2

I'm using two TMC5130 breakout boards with STM32F4 board. I control each with separate SPI channels, which works fine. I can get them to move, change settings, etc. StallGuard is used as sensorless ...
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1answer
232 views

TMC2130 does not work properly

Great title, I know. I have a driver board connected to a really small stepper motor. When I run it in step / dir mode it works. But as soon as I connect either SCLK or MOSI the motor turns at double ...
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2answers
269 views

Why sometimes a stepper winding is not fully powered?

After some tests with my multi-meter I was quite surprised that the windings of my stepper was not receiving the full current (1.5 A) even if the driver board was set so. After mumbling and scraping ...
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2answers
394 views

Stepper motor shaft vibrates, and vibrates the load

I am new to the electronics hobby so any help is appreciated. For my application I need a quiet motor that can provide high torque at low speed. I purchased a NEMA 17 stepper motor (model is 17HS4401s)...
0
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1answer
52 views

Disable stepper driver [closed]

I'm trying to disable the stepper driver to allow manual operation of the lead screw it's controlling. I've tried connecting MF+ and MF- to ground and 24V in multiple combinations but the motor was ...
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2answers
130 views

Translating Stepper motor driver outputs (A-,A+,B-,B+) back into clk,en,step

I have a rather weird problem that makes it necessary to sense the four wires off of a bipolar stepper motor(A-,A+,B-,B+) and translate them back into the pins that controlled the stepper motor driver ...
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1answer
39 views

L298N minimum output current/voltage

Does the L298N have a minimum output voltage? I want to control it such that the output varies from -Vs to +Vs, does it go linearly near 0, or is there a threshold that it passes? I can't tell what ...
0
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1answer
156 views

1-10Hz frequency count translated to PWM for stepper motor RPM

I would like to control the speed of a stepper motor based on an input signal that consists of short 12V pulses at a varying frequency of 1-10Hz. I know this is an easy task with a microcontroller but ...
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2answers
132 views

What does "point mode" and "track mode" mean for a closed loop stepper motor

I have this closed loop stepper motor and driver bundle: https://www.omc-stepperonline.com/closed-loop-stepper-kit/ye-series-1-axis-closed-loop-stepper-cnc-kit-2-0-nm-283-28oz-in-nema-23-motor-and-...
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0answers
80 views

Stepper Motor NEMA23 and driver A4988 matching problem?

I am experimenting with a stepper motor NEMA23 with the following specifications: Rated current: 2.8A/phase Resistance/Phase: 0.9 Step Angle: 1.8 Rated Voltage: 2.5 Inductance/Phase: 2.5 mH Holding ...
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0answers
161 views

How to protecting stepper drivers from manual motion?

I am trying to figure out a way to protect my stepper drivers from manual motion of the motor. To make this more clear, the system which these steppers are being built into allows for both computer ...