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Search: Posts Made By: Toine
Forum: LIVE PLC Questions And Answers June 8th, 2019, 04:53 PM
Replies: 1
Views: 330
Posted By Toine
In Codesys 3.5 that is possible indeed. You...

In Codesys 3.5 that is possible indeed. You create the applications for different devices all within one project, as you said. Then create a separate folder at the project level (so one level higher...
Forum: LIVE PLC Questions And Answers June 8th, 2019, 04:30 PM
Replies: 58
Views: 5,223
Posted By Toine
I totally agree. I have its' sibling BM257s. It...

I totally agree. I have its' sibling BM257s. It is going everywhere with me, love it. Compared to the typical yellow Fluke these are much less likely to be "loaned" while I am working at a client's...
Forum: LIVE PLC Questions And Answers June 8th, 2019, 04:18 PM
Replies: 81
Views: 4,494
Posted By Toine
I am traveling until next week. I can try this on...

I am traveling until next week. I can try this on a recent Wago PLC when I get back if anyone is interested, CoDeSys programming.
Forum: LIVE PLC Questions And Answers May 24th, 2019, 11:31 AM
Replies: 26
Views: 1,130
Posted By Toine
It depends. You can buy the Wago version, called...

It depends. You can buy the Wago version, called E!Cockpit, very powerful and works well with all modern Wago hardware, at a price. And then there is plain CoDeSys v3.5 which is free. Again very...
Forum: LIVE PLC Questions And Answers May 4th, 2019, 05:38 AM
Replies: 20
Views: 1,341
Posted By Toine
At my work we tend to call the mechanical...

At my work we tend to call the mechanical engineers "bicycle repair men". Any issue with a mechanical cause is one for the bicycle repair men to look into. We are a small company so our electrical...
Forum: LIVE PLC Questions And Answers May 3rd, 2019, 11:42 AM
Replies: 2
Views: 464
Posted By Toine
They are in the US too. See the Wago website for...

They are in the US too. See the Wago website for contact info:


https://www.wago.com/us/contact
Forum: LIVE PLC Questions And Answers April 27th, 2019, 06:57 AM
Replies: 6
Views: 823
Posted By Toine
Strain gauges typically give output in the mV...

Strain gauges typically give output in the mV range. You may have a hard time getting meaningful values when connected to a 0..10V analog input. Some PLC brands have strain gauge modules, otherwise...
Forum: LIVE PLC Questions And Answers April 23rd, 2019, 11:07 AM
Replies: 35
Views: 2,017
Posted By Toine
That is one I am not going to try if there is no...

That is one I am not going to try if there is no need, but thanks for bringing it up and explaining. I took a mental note since this can be a life saver.
Forum: LIVE PLC Questions And Answers April 19th, 2019, 10:53 AM
Replies: 22
Views: 1,575
Posted By Toine
I've seen mice in cable conduits as well as...

I've seen mice in cable conduits as well as inside electric panels. Apparently they go searching for the relative warmth in there. Our panels are usually well closed, but clients doing modifications...
Forum: LIVE PLC Questions And Answers April 8th, 2019, 12:16 PM
Replies: 20
Views: 1,477
Posted By Toine
A quote springs to mind: "I don't know how...

A quote springs to mind:

"I don't know how to do it so it must be easy."

I did not write that, one of the regulars here did and I find it so applicable to the situation you work in.




...
Forum: LIVE PLC Questions And Answers April 6th, 2019, 04:49 AM
Replies: 25
Views: 1,270
Posted By Toine
+1 on the Raspberry PI solution, with the CoDeSys...

+1 on the Raspberry PI solution, with the CoDeSys runtime. You may have some learning curve if you have never programmed CoDeSys before, should not be too hard. Just let me know if you need something...
Forum: LIVE PLC Questions And Answers March 18th, 2019, 02:55 AM
Replies: 21
Views: 2,018
Posted By Toine
That reminds me of some of the quotes in the...

That reminds me of some of the quotes in the "funny phrases on a T-shirt" thread:


A common mistake that people make when trying to design something completely foolproof is to underestimate...
Forum: LIVE PLC Questions And Answers March 18th, 2019, 02:44 AM
Replies: 12
Views: 901
Posted By Toine
I agree with Peter. It is brutally inefficient to...

I agree with Peter. It is brutally inefficient to compare the same full size strings over and over again. Calculating a CRC of each received string and only storing and comparing that makes the...
Forum: LIVE PLC Questions And Answers March 12th, 2019, 12:24 PM
Replies: 67
Views: 5,630
Posted By Toine
That one is also referred to as "the PICNIC...

That one is also referred to as "the PICNIC principle"
(Problem In Chair, Not In Computer)



I strive to make my programs idiot proof. But the universe keeps coming up with greater idiots.
Forum: LIVE PLC Questions And Answers March 12th, 2019, 12:14 PM
Replies: 8
Views: 627
Posted By Toine
Division by zero and indexing beyond the limits...

Division by zero and indexing beyond the limits of an array are things to look out for in cases like this.



At first glance I see no divisions in your code.



I do see quite some...
Forum: LIVE PLC Questions And Answers March 12th, 2019, 12:08 PM
Replies: 6
Views: 661
Posted By Toine
That is what we did at work to monitor the PV...

That is what we did at work to monitor the PV system on the roof of our production facility. Non-critical indeed, MQTT from a PLC to Node-Red on the Pi.
Forum: LIVE PLC Questions And Answers March 10th, 2019, 03:35 PM
Replies: 28
Views: 3,228
Posted By Toine
A useful low end addition to your troubleshooting...

A useful low end addition to your troubleshooting tool kit for serial comms would be just a single LED. It can be very useful in finding out whether or not there is a signal on a serial connection....
Forum: LIVE PLC Questions And Answers February 10th, 2019, 02:24 PM
Replies: 16
Views: 1,170
Posted By Toine
Horses for courses. If all you have is a...

Horses for courses.
If all you have is a hammer, the whole world looks like a nail.


In other words, there are problems and situations for which ST is better suited than ladder code.
Forum: LIVE PLC Questions And Answers February 7th, 2019, 10:39 AM
Replies: 11
Views: 876
Posted By Toine
It is, and I love it. I consider myself lucky to...

It is, and I love it. I consider myself lucky to have found this job. It is way closer to home than my previous job and so much fun. Feels like I'm allowed to play Lego all day long and on top of...
Forum: LIVE PLC Questions And Answers February 6th, 2019, 01:32 PM
Replies: 11
Views: 876
Posted By Toine
Agreed. Just want to...

Agreed.






Just want to underline this good point, well made. I think this is largely why I like my job and my colleagues on the other hand are glad they don't have to do it (they do...
Forum: LIVE PLC Questions And Answers February 3rd, 2019, 10:45 AM
Replies: 9
Views: 690
Posted By Toine
That is a difficult question because so many...

That is a difficult question because so many answers are possible depending mostly on the context and previous knowledge of the person asking. A very quick basic attempt at an answer: integers are...
Forum: LIVE PLC Questions And Answers January 27th, 2019, 09:46 AM
Replies: 14
Views: 737
Posted By Toine
Similar to what Jesper is proposing: is it an...

Similar to what Jesper is proposing: is it an option to install the bin on load cells? There are plenty of digital and analog weighing devices available.
Forum: LIVE PLC Questions And Answers January 9th, 2019, 03:10 PM
Replies: 20
Views: 1,481
Posted By Toine
Exactly, don't do this to increase your house...

Exactly, don't do this to increase your house value. Only if you enjoy making and maintaining it yourself. Good practice would be to wire it in such a way that it is easily modified back into a...
Forum: LIVE PLC Questions And Answers January 9th, 2019, 10:42 AM
Replies: 12
Views: 856
Posted By Toine
It seems more appropriate to me to use the...

It seems more appropriate to me to use the "Practice Posting" subforum for this kind of testing:


http://www.plctalk.net/qanda/forumdisplay.php?f=3
Forum: LIVE PLC Questions And Answers January 3rd, 2019, 10:29 AM
Replies: 46
Views: 3,855
Posted By Toine
I think the permanent magnetic field is not...

I think the permanent magnetic field is not strong enough to do harm. It would be rapidly changing magnetic fields that I'd be paranoid with.
Showing results 1 to 25 of 254

 
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