All Questions
Tagged with stepper-driver pwm
10
questions
0
votes
1
answer
375
views
Controlling stepper motor with DRV8833
I’m trying to get a Nema8 stepper motor working with a DRV8833 controller. The stepper motor has 0.6 A specified on its label but no other data mentioned. Its the connections are A+, A-, B+ and B-.
I’...
- 183
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116
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Designing a unipolar stepper driver using STM32 MCU, lack of torque
I am working on my first robotics project which will hopefully become a desktop sized KUKA iiwa. Unfortunately, I have only just completed the first year of my electrical engineering degree so have ...
0
votes
0
answers
188
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Zero-Crossing Detector Circuit for a PWM-Generated Sine Wave
Given this PWM,
How to detect a zero crossing without a dual-voltage supply? There is only VCC and GND.
I've tried using a low-pass filter approach, but the PWM frequency is not guaranteed to be ...
- 259
0
votes
0
answers
2k
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Significance of the pulse setting on stepper driver and performance
I have a stepper motor driver DM860D and I am using signals from an Arduino to control a NEMA 23 stepper motor.
Can someone explain what the significance of the pulse/rev setting on the driver is, or ...
- 131
1
vote
2
answers
739
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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 ...
- 21
0
votes
3
answers
2k
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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 ...
- 281
1
vote
0
answers
106
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Solution for EMI on signals in a connector?
I have PWM signal and PSU signals coming from switch mode PSU to our machine.
The motor drive boards that run the stepper motors in the machine are located in the PSU.
At the moment the outputs to ...
- 11
0
votes
1
answer
532
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Interfacing with (Two) Full-Bridge PWM Motor Drivers to Control a Stepper Motor
I am working to interface with an existing PCB with on-board Full Bridge PWM motor driver chips, which drive a stepper motor. The interface lacks any kind of standard step (clock) or direction signals ...
- 3
1
vote
2
answers
4k
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How do chopper driver work for stepper motor
While reading about motor drivers I'm getting somewhat confused on how commercial stepper motor driver actually work to regulate power going into motor windings.
Here's a few things that seems clear ...
0
votes
2
answers
2k
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Should I worry about EMC when building a PWM stepper motor driver with 1.5 meter cable?
I am building a board that would drive a stepper motor with PWM signal.
Is it likely that it will pass the EMC test?
Here are the details:
I am using Trinamic TMC5130 stepper motor driver chip.
The ...
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