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16-07-2021 #11
Excuse the pun, I think we are getting our wires crossed here.! What I meant was that the standard setup is that the drives have holding torque if the enable is NOT used and if the enable is used then holding torque is dropped when the state changes. The way you described it your drives are set so they need the enable signal to engage the torque, this is opposite to standard setup is what I meant.
Yes that is the common way it works but it's not exclusive and some drives have the ability to maintain the holding torque when the enable changes it states, they just stop movement, this helps in applications like Z-axis, etc where don't want it to drop when an E-stop occurs, etc. Many servos and some closed-loop stepper drives offer this option with a parameter change.-use common sense, if you lack it, there is no software to help that.
Email: [email protected]
Web site: www.jazzcnc.co.uk
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21-07-2021 #12
Hi Guys
Sorry I haven't replied sooner but I've been away for a few days and have also been working on a solution. Thanks for all the responses and debates that ensued!
I am now glad to report that everything is working well. It's a bit of a saga but there were a few things wrong. The other two Dell pcs I was using already had a printer ports installed (by Dell). I don't know if by putting the Moschip pci board in was causing a conflict? I also noticed that even with the cnc controller unplugged from the pc, Mach 3 was not working properly. Somehow it is corrupt. It was a version I got with the Chinese machine. Can't remember if it came as a download or a disc but I didn't have either to hand.
I decided to buy a new motherboard for the old original pc that I knew worked prior to buggering it up last winter. Once I had it configured and reinstalled the PCI board and downloaded the demo version of Mach 3 everything started working perfectly. Don't know why but the address for the Moschip PCI board had changed with the new motherboard but once I figured this out - bingo!
The only issue I have now is Mach 3 in demo mode only which only gives me 500 lines of movement. I could spring a few quid for a proper UK version of Mach 3 but I've been reading up on LinuxCNC and wondered how this stacks up against Mach 3 and how similar is it? Will download a copy and give it a whirl
cheers again for everyone's input
Steve
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21-07-2021 #13
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22-07-2021 #14
If your old HDD is alive copy from c:\Mach3 folder the following:
Mach1lic.dat
<yourmachineprofile>.xml
whole folder:
C\Mach3\macros\<yourmachineprofile>
C:\Mach3\Brains
OR
whole C:\Mach3 folder and rewrite it on new machine (if Mach version is tha same)
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22-07-2021 #15
Thanks for that info. I still had the old copy of Mach 3 on my pc. Downloaded the new Mach 3 dragged the lic file over and all working good again
Cheers Steve
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