Continuous movement of Axis A - DDCSV2.1 - Standalone CNC Motion Controller - Digital Dream Technology support
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Continuous movement of Axis A

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Posted at 2019-7-22 22:49:25 | Only Author Replies reward |Descending browser |Read mode
Last edited by stivemaster In 2019-7-22 23:33 Editor

Unfortunately, I encountered this controller with software version 89. Now, on another controller that came with version 99, I installed version111 and I still see the same mistakes. With the development of the controller software, people who do not understand the job with a machine on which this controller will be placed.

First problem:
After installing the new version of the software, the PAGE button does not work if the flash is not inserted. What is this error?
Second problem:
Right now, I can not understand how it is possible for all axes to work almost normally, and only the A jog is working constantly in the first pressed direction and does not stop. The MGP mode normally works in one direction and the other. Please tell us where this annoying mistake comes from!


And a little more constructive criticism!
The settings continue to include the fifty types of gears that have to be set and are not complied with. There is still a detailed description of the tuning parameters !!!
It is not time to consult with a specialist to explain that the CNC machines have only the maximum speed. It is used at G0. G1 is a percentage of G0 and is determined by G code as usually reaching 100%. The jog speed is in percent of the maximum and depends on whether there is a fast and slow jog button and usually is 30-50%. The home speed is in percent of the maximum and is usually 10-30%.
What is not understood , that new types of speeds have to be invented?

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 Author| Posted at 2019-7-24 23:02:21 | Only Author
Last edited by stivemaster In 2019-7-24 23:06 Editor

Maybe you wanted to get it but in practice the HOME procedure breaks something in the program and the controller forgets the acceleration and deceleration ramp. If we restart the controller or even just press Emergency Stop and try the jog ramp it is restored.
In addition, on Axis Z and Axis X, the controller does not search for a home signal but makes a short minus and then a plus and says it is in HOME.
I still think there is something broken in the program.
How do I download all the parameters and show them here?

Greetings!
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Posted at 2019-7-25 06:19:31 | Only Author
Please send me the ‘setting’ and ‘uservar’ files in the /mnt/nand1-1 directory.
In the file page, enter /mnt/nand1-1, move the cursor to the 'setting' file, press 'TAB' to copy, then enter the usb stick directory (generally /udisk-sda1/), and press 'SHIFT' to paste.
Copy 'uservar' to usb stick in the same way, then compress the two files into a zip file and upload them to forum.
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Posted at 2019-7-23 07:04:39 | Only Author
Sorry for the trouble. I will check the program today.
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Posted at 2019-7-23 16:38:51 | Only Author
Last edited by ytliu In 2019-7-23 16:39 Editor

Ver:2019-07-23-112 Description:
1. Fixed an error that the file list could not be displayed in the file page without inserting USB stick;
2. Correct the error that the A axis cannot be stopped in the CONT mode in some controllers;(Pending verification)

install(2019-07-23-112).zip

610 KB, Down times: 1705

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Posted at 2019-7-23 16:45:29 | Only Author
Thanks for your suggestion. Due to compatibility, your suggestion cannot be adopted in DDCS.I will adopt your Suggestions in the future controller products.
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 Author| Posted at 2019-7-23 22:33:44 | Only Author
I want to say that I have good feelings and know how hard it is to develop.
I appreciate your reaction, but I will also add that the controller does not observe the overall acceleration ramp when running a home. I want to remind you that there must be only one ramp for the acceleration and this is what the tuner thinks they can perform the engines.
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Posted at 2019-7-24 07:12:40 | Only Author
I tested the HOME operation and found no problems you said.
When HOME is executed, it will accelerate to the HOME speed according to the acceleration set by #45-#48. When the zero signal is detected, it will decelerate to stop according to the acceleration set by #263-#266.
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 Author| Posted at 2019-7-24 20:52:51 | Only Author
Last edited by stivemaster In 2019-7-24 21:04 Editor

The Problem continue, don't respect acceleration ramp during HOME procedure.
Problem disappeared after pressing EMERGENCY STOP.
When pressing HOME again the problem is back, don't respect acceleration ramp during HOME procedure - AGAIN.

PLEASE MODIFY SOFTWARE Accordingly

awaiting THE NEW software VERSION

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Posted at 2019-7-24 21:11:10 | Only Author
I don't quite understand.
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Posted at 2019-7-24 21:21:45 | Only Author
When HOME is executed, it will accelerate to the HOME speed according to the acceleration set by #45-#48. When the zero signal is detected, it will decelerate to stop according to the acceleration set by #263-#266.After the motion stops, the system will retreat at a speed of 50mm/min. When the zero signal disappears, the motion will stop immediately and the mechanical coordinate here will be set to 0.
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