- DIY AC Servo Drive - ATMega based
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03-03-2016, 04:46 PM
#241
Registered
Re: DIY AC Servo Drive - ATMega based
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03-19-2016, 07:08 AM
#242
Registered
Hi there
Just stumbled upon this thread, impressive work !!! Thanks Mihai for your great work !! It is now a must-build for me too!
A first question to @Mihai: are you selling PCB's? Or is anybody else having some PCB's to sell here?
Thank you
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04-28-2016, 11:49 AM
#243
Member
Re: DIY AC Servo Drive - ATMega based
hallo, mihai..Thanks for your project
i was following your project for couple a weeks.. I have IAI actuator IS-SYM-8-60 with builtin 60 watt servo motor, 60volt and 768 ppm encoder, i built a copy prototype based on your schematic and it was success everything work like a charm, connect to PC with your servo tuner software, run setup change parameters work nicelly..
I try to attach the motor and encoder, the driver read encoder data result 768/turn but the motor run erraticlly cogging and the diver cant maintain position.
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05-06-2016, 10:20 AM
#244
Member
Re: DIY AC Servo Drive - ATMega based
Hi mihai..
i was studying your program and look the output 3 phase signal in oscilloscope, the output doesnt like sequence signal to run BLDC motor properly, your V1.5 firmware doesnt work at all...you are success to make me busy for a couple a week..thanks
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11-22-2016, 11:22 AM
#245
Registered
Hi Minhai,
Firstly thank you for your dedication and generosity of sharing this.
How is the new project coming along?
I'm planning on making one of these firstly to see if I'm capable and if so I'll convert my 4Nm steppers to servo driven. Could I rewire my 4 wire or maybe it 8 I can't remember and run it as a dc motor and attach the encoder onto it? I would love to do this with a AC induction motor also. Is this possible or would it be very difficult with coding etc... I'm very beginner level of programming.
Thanks again
Dave
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03-21-2017, 03:42 AM
#246
Registered
Re: DIY AC Servo Drive - ATMega based
Can you tell me what is setting of UART e.g 38400 or what?
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09-26-2017, 09:28 AM
#247
Registered
please email me new firmware on imran.plus@gmail.com
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10-27-2017, 12:53 PM
#248
Hi...i am a new user here. In my case i will stick to old chemical way for the next versions and maybe drill the holes on CNC.I am waiting for a bigger motor. The board will work with higher currents, it's just a problem of final stage Mosfets.
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12-18-2017, 06:07 AM
#249
Plz send schematic daigram my email babydriver6@gmail.com
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01-08-2018, 06:54 AM
#250
Registered
Re: DIY AC Servo Drive - ATMega based
I think it does not work too, lower side and upper side switches at the same time.
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01-09-2018, 08:58 AM
#251
Registered
Re: DIY AC Servo Drive - ATMega based
Maybe Mikroelektronika use special .hex file format, see from 160. line:
:1003A6000FB6BFB3B1FF02C00000FBCFF89432BC5A
:1003B60021BCBFB3B160BFBB0FBE10B5012F0895FE
:0003C60037
:10097000B1EAB4BDB1E0B5BDB0E0B7BDB0E0B8BD5F
:10098000B1EAB0938000B1E0B0938100B0E0B093E1
162. line is invalid.
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07-01-2019, 12:49 PM
#252
Hi anybody can help me for this i have a
AC 3 phases servo motor Fanuc
8 Poles
2500 line encocoder
91 Volt
I want to know if i can run this motor with this driver?
thank very much..
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07-06-2019, 03:22 AM
#253
Hi Mihai am very interest with your project that you share, please i don't have a big experience with Mikropascal can you help me how to change the mcu 644p to 1284p to compile it, because i have a AC servo motor 3 phase 2500ppr 8 poles...
Thank very much
Stewart
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12-27-2019, 10:02 AM
#254
Member
Re: DIY AC Servo Drive - ATMega based
Hello,,this project success sir?because we want make this driver for controll my cnc,,do you have any idea
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05-12-2021, 05:13 AM
#255
Member
Re: DIY AC Servo Drive - ATMega based
Hi Mihai & all,
It seems an excellent work Mihai, I want to try it , do you still could share you source code and Eagle pcb.. ,I hope it Not too late .
I can't access to the link attached ,eany one can help?
Thanks ®ards
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02-04-2022, 02:35 PM
#256
Member
Re: DIY AC Servo Drive - ATMega based
Hello,
I have make this pcb with the atmega644 and try to test to firmware 1.4 and 1.5. I upload the hex and the eprom file via avrdudess and try to communicate with the bord via FT232.
The wiring i supose GND->GND and RX->TX and TX ->RX from the ft232 to the servo driver bord. For the speed of the 232 i have no idee.
When i ask the status in the tuner program i have alway "no respons" Have you any hints ?
Thank you in advance
- DIY AC Servo Drive - ATMega based
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