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Thanks very much Paul, this is helpful. I did try using opto isolators on one of my early experimental circuits but they just seemed to gum things up, however, I think now that the problem might have

Thanks very much Paul, this is helpful. I did try using opto isolators on one of my early experimental circuits but they just seemed to gum things up, however, I think now that the problem might have

It seems that cases are a common issue. Usually the amount you think is reasonable to pay for what is basically some folded sheet doesn't buy what you need. Here in the U.K things are usually costlier

Fred et al I have a simple TCL/TK CNC control panel GUI that I was playing with for my own use. I sent it out serveral months ago to Fred Proctor and some others on the rt-linux NG. It is just a

Hello I am new to the list and the internet,I converted a far eastern mill to stepper control about two years ago, which has run successfully since, I purchased the interface and program from R

"Buchanan, James (Jim)" wrote: First, you need to make a boot floppy, if you don't have the CDROM. With a CDROM (if your CD drive is IDE, and your motherboard will boot from CD) you can boot

For Michael Tilse, who seems to have changed his ISP or net address: Michael Tilse wrote: could might interested you Hi, I just discovered this message in a pile of old messages that snowed me under

Way over my head Thanks Milton

I just received my June issue of Nuts and Volts today, and Dans article is excellent. Dan, a question for you, will the hookups for the limit switches, and the home switches as shown in the

James et al, If you're planning on running the EMC on Linux, note that we haven't ported to Red Hat 6.0 yet. We're still on 5.2, which has Linux kernel 2.0.36. Red Hat 6.0 packages the 2.2.something

About EMC, writing PLC programs for things like tool changers, and custom GUIs, Jon Pritchard wrote: > 1. Can a machine control "soft" PLC be incorporated with EMC to run other machine control such

Hey Dan, Thanks for pointing out this source. I did find that they have a web site for us impatient types and you can download a copy of their catalog from it and have instant gratification (

WARNING WARNING Imminent doom is approaching!! You are going to need the older version ( RedHat 5.2 ). RedHat 6.0 uses an new kernel that does not yet have a stable real time patch and EMC requires

You can set up a dual boot system, although it's more complicated than setting up a dedicated system. You will need a Linux boot disk. These can be made on a PC though. You will need to set up a

In the FWIW department, more years ago than I care to remember, I worked for a company that was building comp

When I first started selling complete controllers with case fans and power supplies installed, I found that the case was the show stoppper. Like you said most of them were in the $120 range and using

First, let me apologize for the flip attitude I took with you in responding to your initial post. Its just that we've been having a pretty long discussion here regarding various control programs and

Jon Pritchard wrote: Yes, I'm very sure it could be integrated at several different levels of complexity. You could just program it in C, and add it as another task. or, you could write a simple

Electronics Now magazine has plans for an optical isolator circuit for parallel port interfacing. They have it built into an older mechanical A/B switch, but I'm sure it could go into a mini-tower

For the box for the unit I'm building I talked to an electrician friend of mine. He was able to round up a junction box for me, it is 12x12x6, and is a very solidly constructed. Al Tim Goldstein