Problem with delay DIR-STEP - On 6 Page - DDCSV2.1 - Standalone CNC Motion Controller - Digital Dream Technology support
Author: Nikolay81
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Problem with delay DIR-STEP

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 Author| Posted at 2018-9-4 14:47:37 | Only Author
ytliu Posted at 2018-9-4 06:23
Your idea is correct, users can't update fpga themselves.

Excuse my incomprehensibility. I correctly understood that now all DDCSV will be produced with a new firmware FPGA? And in them, parameter # 416 can be set to any number up to 10000 ns?
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Posted at 2018-9-4 21:44:48 | Only Author
Nikolay81 Posted at 2018-9-4 14:47
Excuse my incomprehensibility. I correctly understood that now all DDCSV will be produced with a n ...

Users cannot update the fpga firmware themselves.
After the detailed test is completed, we will upgrade the fpga firmware in the new production ddcsv system.
In the new fpga firmware,parameter #416 can be set to any number up to 1ms.
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 Author| Posted at 2018-9-5 03:21:55 | Only Author
ytliu Posted at 2018-9-4 21:44
Users cannot update the fpga firmware themselves.
After the detailed test is completed, we will up ...

Thank you very much for your work, Ytliu.
I think the problem can be considered solved.
I hope soon all DDCSV will be sold with a new firmware Cyclone III.

Those who have already bought DDCSV and can not solve the problem of skipping steps when changing directions with settings, you need to collect a simple digital delay line scheme.
This solves the problem in all cases.
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Posted at 2018-9-8 16:10:43 | Only Author
Hello Ytliu,

Is it possible to program the FPGA by using external tool (eg. USB blaster) and JTAG connector on the controller PCB?
Are you able to provide firmware and instruction how to do that?

Regards
Lukasz
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Posted at 2018-9-8 23:01:43 | Only Author
Lukasz Posted at 2018-9-8 16:10
Hello Ytliu,

Is it possible to program the FPGA by using external tool (eg. USB blaster) and JTAG c ...

Sorry, we are unable to provide firmware for fpga.
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Posted at 2018-9-26 16:08:58 | Only Author
Last edited by bgarroweer In 2018-9-26 16:11 Editor
After the detailed test is completed, we will upgrade the fpga firmware in the new production ddcsv system.
To ytliu:
Did I understand right that the problem cannot be solved by downloading Upgrading Code from here https://www.nvcnc.net/ddcsv2.1.html and I sould buy new unit or add a piece of electronic circuit to it?
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Posted at 2018-9-27 06:56:58 | Only Author
bgarroweer Posted at 2018-9-26 16:08
To ytliu:
Did I understand right that the problem cannot be solved by downloading Upgrading Code fro ...

Hi bgarroweer!

Your understanding is correct. However, in most cases, the problem of out-of-step is solved by adjusting the parameters.

In addition, we will soon release a new version of the DDCSV system, this issue will be fixed.
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Posted at 2018-9-27 16:53:06 | Only Author
Thank you for answer, I hope new release will be soon, should I rely on this year? Because I want to buy particularly this controller (DDCS) with as less bugs as possible.
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 Author| Posted at 2018-10-1 18:02:55 | Only Author
I post, very simple and cheap scheme of the digital signal delay line. This is a very good and reliable option, but the main chip is difficult to buy. She was removed from production.

schematic.pdf

27.25 KB, Down times: 1092

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Posted at 2019-1-8 16:36:20 | Only Author
Tell me, is this DM500 remote already free of this disease?
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