Search found 97 matches

by MAX THE MILLER
Mon 29 Jun , 2020 21:47 pm
Forum: VR Turning - All Versions
Topic: VR Turning help file.
Replies: 3
Views: 364

Re: VR Turning help file.

Thanks for that Pete.

It's not just me then! I'm at version 1.51. When I get a chance I'll try it on Windows XP.

Given that this software is used in educational establishments I'm surprised this hasn't been reported before.

Max.
by MAX THE MILLER
Fri 26 Jun , 2020 21:21 pm
Forum: Denford Classifieds
Topic: Mirac PC - KEB drives for sale
Replies: 1
Views: 1034

Re: Mirac PC - KEB drives for sale

I've sent you a private message.
by MAX THE MILLER
Fri 26 Jun , 2020 11:55 am
Forum: VR Turning - All Versions
Topic: VR Turning help file.
Replies: 3
Views: 364

VR Turning help file.

Some of the pages in the help file dealing with G Codes supposedly show diagrams. However when I view these pages the diagrams don't appear. This applies to both Windows 7 and Windows 10 machines.

Is this a general problem or is it just me?

Thanks, Max.
by MAX THE MILLER
Fri 26 Jun , 2020 11:42 am
Forum: Electronics
Topic: Combivert F0 Variable Frequency Drive settings?
Replies: 1
Views: 1246

Re: Combivert F0 Variable Frequency Drive settings?

With the Covid -19 lock down just starting I probably asked this question at the wrong time.

Is anyone able to help?

Thanks, Max.
by MAX THE MILLER
Wed 25 Mar , 2020 16:14 pm
Forum: Electronics
Topic: Combivert F0 Variable Frequency Drive settings?
Replies: 1
Views: 1246

Combivert F0 Variable Frequency Drive settings?

My Mirac's ATC has stopped working. To cut a long story short I've traced the fault to the Combivert F0 Variable Frequency Drive (VFD). If I manually apply 15 VDC to tag 10 on the VFD's terminal strip the ATC motor should drive forwards, but nothing happens. The ATC is not jammed. On checking the VF...
by MAX THE MILLER
Tue 04 Feb , 2020 11:25 am
Forum: Mirac
Topic: Spindle speed incorrect.
Replies: 14
Views: 3011

Re: Spindle speed incorrect.

The maximum speed parameter sets the highest speed that can be selected in software be it DOS or VR turning. It is also the speed at which 10VDC is sent to the VFD. In the case of my machine the maximum speed parameter was set to 5000 RPM, but the VFD was set up so that 10VDC corresponded with 3870 ...
by MAX THE MILLER
Sat 25 Jan , 2020 21:33 pm
Forum: Mirac
Topic: Spindle speed incorrect.
Replies: 14
Views: 3011

Re: Spindle speed incorrect.

When I originally started this thread I was using the Mirac with its internal PC which runs DOS. The parameters relating to spindle speed are in the file FLSTEP.opt. I'm now using the Mirac with an external PC running VR Turning. The spindle parameters are in the machine parameters file which can ea...
by MAX THE MILLER
Sun 19 May , 2019 17:02 pm
Forum: Software
Topic: Easy Upgrader not detecting Eurostep Controller.
Replies: 2
Views: 1244

Re: Easy Upgrader not detecting Eurostep Controller.

It turned out that the problem was nothing to do with the cable. This thread suggests that Easy Upgrader won't work with Eurostep controllers and that MintMan should be used instead. http://www.denfordata.com/bb/viewtopic.php?f=41&t=3692 With MintMan's comm port configured as 19200-8-N-1 and a V2.1 ...
by MAX THE MILLER
Wed 15 May , 2019 15:39 pm
Forum: Software
Topic: Easy Upgrader not detecting Eurostep Controller.
Replies: 2
Views: 1244

Re: Easy Upgrader not detecting Eurostep Controller.

I think I know what might be causing this. The cable has pins 4 and 6 correctly cross wired, but in addition they're linked to pin 1. Pin 1 would normally be Data Carrier Detect (DCD), but Baldor use it for the cable screen, so pins 4 and 6 are probably being pulled permanently low. Unfortunately I ...
by MAX THE MILLER
Mon 13 May , 2019 15:56 pm
Forum: Software
Topic: Easy Upgrader not detecting Eurostep Controller.
Replies: 2
Views: 1244

Easy Upgrader not detecting Eurostep Controller.

Before spending money on VR Turning software I wanted to make sure that my PC could actually communicate with the Eurostep Controller in my Mirac via an RS232 serial link. The Eurostep Controller is known to be working. I used a cable wired as shown in this thread http://www.denfordata.com/bb/viewto...
by MAX THE MILLER
Thu 25 Apr , 2019 11:57 am
Forum: VR Turning - All Versions
Topic: VR Turning and serial port.
Replies: 4
Views: 1322

Re: VR Turning and serial port.

Thanks Martin.

I'll give it a try.

Max.
by MAX THE MILLER
Thu 25 Apr , 2019 10:06 am
Forum: VR Turning - All Versions
Topic: VR Turning and serial port.
Replies: 4
Views: 1322

Re: VR Turning and serial port.

The control card is I believe a Eurostep and is pictured in this thread:-

viewtopic.php?f=40&t=5620&p=22582&hilit=eurostep#p22582

I have a V2.1 EPROM. Can this be fitted to the Eurostep control card?

Thanks, Max.
by MAX THE MILLER
Wed 24 Apr , 2019 22:15 pm
Forum: VR Turning - All Versions
Topic: VR Turning and serial port.
Replies: 4
Views: 1322

VR Turning and serial port.

Is there a version of VR Turning that will work via a serial (RS232) port?

I might be able to justify purchasing a licence for VR Turning, but upgrading the serial card to USB is out of the question.

Thanks, Max.
by MAX THE MILLER
Fri 02 Nov , 2018 21:40 pm
Forum: Mirac
Topic: Spindle speed incorrect.
Replies: 14
Views: 3011

Re: Spindle speed incorrect.

I've managed to fix it. In the file FLSTEP.OPT is a line "highspindle 5000" this sets the maximum speed that can be selected from the keypad. When this speed is selected the maximum control voltage of 10V is sent to the VFD. The VFD has a parameter o2 which sets the frequency the VFD outputs when it...
by MAX THE MILLER
Tue 30 Oct , 2018 22:27 pm
Forum: Mirac
Topic: Spindle speed incorrect.
Replies: 14
Views: 3011

Re: Spindle speed incorrect.

I've used the pot on the custom card to set the min speed at 100 RPM, but if I call for the max speed of 3800 RPM only 3000 RPM is achieved.

Is there a pot for max speed or will I have to reprogram the VFD?


Thanks, Max.
by MAX THE MILLER
Tue 30 Oct , 2018 9:38 am
Forum: Mirac
Topic: Spindle speed incorrect.
Replies: 14
Views: 3011

Re: Spindle speed incorrect.

Thanks Martin.

I'll give it a try.
by MAX THE MILLER
Mon 29 Oct , 2018 15:20 pm
Forum: Mirac
Topic: Spindle speed incorrect.
Replies: 14
Views: 3011

Re: Spindle speed incorrect.

Pete. I found a manual for the Combivert VFD online. I can confirm that it's controlled by an analogue voltage which is presented to terminals 17 and 18. This voltage varies depending on the speed selected. Martin. Picture of control card attached. I believe it's a Baldor Eurostep? The only pot fitt...
by MAX THE MILLER
Sun 28 Oct , 2018 21:26 pm
Forum: Mirac
Topic: Spindle speed incorrect.
Replies: 14
Views: 3011

Spindle speed incorrect.

I have a problem with spindle speeds on my recently acquired Mirac. If I select a spindle speed of say 1000 rpm, the spindle actually rotates at about 800 rpm (it wavers a bit) as indicated by the On Screen Display and an independent test tachometer using a reflective sensor checking the spindle spe...
by MAX THE MILLER
Wed 17 Oct , 2018 22:42 pm
Forum: Mirac
Topic: MIRAC. ERROR 128.
Replies: 16
Views: 2296

Re: MIRAC. ERROR 128.

SUCCESS!! I M A HAPPY MAN!! The problem was down to the way I was trying to run the software. What I had to do in the end was this:- Create an MS-DOS Start up disc using a Windows XP PC. It's an option in the format menu. Delete all the files from the disc with the exception of IO.SYS, MSDOS.SYS and...
by MAX THE MILLER
Wed 17 Oct , 2018 11:08 am
Forum: Mirac
Topic: MIRAC. ERROR 128.
Replies: 16
Views: 2296

Re: MIRAC. ERROR 128.

EPROM is labeled "MINT 3.28 V1.6G B1/S-JD3". I'm beginning to wonder whether the problem is down to the way I'm running the software. Copying all the Mirac or Flstep files to a floppy disc does not make it a bootable system disc. I created an MS-DOS start up disc using a PC running Windows XP. It's ...