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Search: Posts Made By: BryanG
Forum: LIVE PLC Questions And Answers Yesterday, 06:55 AM
Replies: 401
Views: 67,395
Posted By BryanG
Masks slow down the spread, vaccinations slow the...

Masks slow down the spread, vaccinations slow the spread - both true. You can get Covid-19 even after having received all required doses of vaccination - also true.

But you missed one very very...
Forum: LIVE PLC Questions And Answers September 22nd, 2021, 12:02 PM
Replies: 401
Views: 67,395
Posted By BryanG
Don't have the data for the US. For the UK,...

Don't have the data for the US. For the UK, though this is a bit out of date because it cover 2nd Jan to 2nd Jul:...
Forum: LIVE PLC Questions And Answers September 22nd, 2021, 06:58 AM
Replies: 401
Views: 67,395
Posted By BryanG
For the vaccine deniers

The UK Government has done one thing right, they collect and graph the Covid data and make the numbers available to the general public.
https://coronavirus.data.gov.uk/details/cases

The attached...
Forum: LIVE PLC Questions And Answers September 22nd, 2021, 06:27 AM
Replies: 44
Views: 2,414
Posted By BryanG
Don't want to seem like a pessimist but maybe you...

Don't want to seem like a pessimist but maybe you should use your time whilst 'waiting' to scan the local jobs adverts.
Forum: LIVE PLC Questions And Answers September 19th, 2021, 05:05 AM
Replies: 401
Views: 67,395
Posted By BryanG
People get very confused about the purpose of a...

People get very confused about the purpose of a lock-down. At the start of the Pandemic they were the only tool in box to limit infections. Limiting the rate of infection meant that medical...
Forum: LIVE PLC Questions And Answers September 19th, 2021, 04:03 AM
Replies: 12
Views: 554
Posted By BryanG
I am feeling lazy and my brain hurts from...

I am feeling lazy and my brain hurts from studying html, css and nore-red, so I may have completely missed the point. But, wouldn't a Pulse Timer (TP), a Falling Edge bit (N_TRIG) and a Timer Reset...
Forum: LIVE PLC Questions And Answers September 12th, 2021, 05:20 AM
Replies: 12
Views: 862
Posted By BryanG
Nice video that does just that and shows exactly...

Nice video that does just that and shows exactly how to set it all up, it will save you a tonne of frustration:
https://www.youtube.com/watch?v=OLLm-BbHRMM


I haven't watched it but they same...
Forum: LIVE PLC Questions And Answers September 12th, 2021, 05:10 AM
Replies: 6
Views: 649
Posted By BryanG
I have to admit that the last time I put much...

I have to admit that the last time I put much effort in to studying VFD circuits was in college, I think Eddison and Westinghouse were still arguing about whether AC or DC was better. If your VFD...
Forum: LIVE PLC Questions And Answers September 11th, 2021, 12:13 PM
Replies: 12
Views: 862
Posted By BryanG
I use Put and Get without too many headaches. ...

I use Put and Get without too many headaches. You have to enable it in Device Configuration / Protection and Security.
Forum: LIVE PLC Questions And Answers September 11th, 2021, 05:57 AM
Replies: 4
Views: 727
Posted By BryanG
Watch the video that I linked to, it shows you...

Watch the video that I linked to, it shows you how to send data and how to read data. Start simple by sending the camera the signal to tell it to take a picture.


Now that baref00t25 has found...
Forum: LIVE PLC Questions And Answers September 11th, 2021, 05:41 AM
Replies: 6
Views: 649
Posted By BryanG
AC voltage isn't as advertised :-). When you...

AC voltage isn't as advertised :-). When you read an AC voltage it is the RMS value that you are given, but the peak voltage is 1.414 times the RMS voltage. So for a 230V supply the peak value is...
Forum: LIVE PLC Questions And Answers September 9th, 2021, 10:57 AM
Replies: 58
Views: 6,768
Posted By BryanG
The OP has said he is getting about 5.5 pulses...

The OP has said he is getting about 5.5 pulses per millisecond, 181us seconds per pulse, I don't see this as a particularly high speed. An Interrupt would only need to set a 'Take Picture' flag, set...
Forum: LIVE PLC Questions And Answers September 9th, 2021, 04:53 AM
Replies: 58
Views: 6,768
Posted By BryanG
Maybe I am misunderstanding, story of my life...

Maybe I am misunderstanding, story of my life :-), I would have thought that the method using High Speed Counter interrupts will be least likely to cause a cumulative error.

Going right back to...
Forum: LIVE PLC Questions And Answers September 8th, 2021, 04:59 AM
Replies: 58
Views: 6,768
Posted By BryanG
OK, so I haven't thought about this since...

OK, so I haven't thought about this since January, so forgive me if I repeat myself, or get confused, or cause confusion, or if I explain things too simply.

An Interrupt tells a device to stop...
Forum: LIVE PLC Questions And Answers September 4th, 2021, 01:02 PM
Replies: 4
Views: 727
Posted By BryanG
Generally I don't use TCON, TSEND and TRCV...

Generally I don't use TCON, TSEND and TRCV because there are two commands that combine things in to one job. So look at TSEND_C and TRCV_C, and then have a look at this video;...
Forum: LIVE PLC Questions And Answers August 27th, 2021, 10:54 AM
Replies: 4
Views: 539
Posted By BryanG
Beg, borrow, but not steal :-), a 3 phase voltage...

Beg, borrow, but not steal :-), a 3 phase voltage recorder, I recon you will be surprised by what happens over night.
Forum: LIVE PLC Questions And Answers August 19th, 2021, 04:15 AM
Replies: 12
Views: 1,112
Posted By BryanG
The relay base looks very very much like one made...

The relay base looks very very much like one made by Finder:
https://uk.rs-online.com/web/p/relay-sockets/5348868
I have used a lot, and not wishing to tempt fate, I haven't had any issues. They...
Forum: LIVE PLC Questions And Answers August 16th, 2021, 11:14 AM
Replies: 19
Views: 1,698
Posted By BryanG
Apologies to the OP, am slightly hijacking the...

Apologies to the OP, am slightly hijacking the thread. In answer to Ken questions, as ever I learned enough to do the stuff I needed and didn't worry about the rest. Attached are some more of the...
Forum: LIVE PLC Questions And Answers August 16th, 2021, 09:32 AM
Replies: 19
Views: 1,698
Posted By BryanG
I am happy to ease your doubt :) Quadrature...

I am happy to ease your doubt :) Quadrature output up to 100kHz on the Siemens S7-1200.
Forum: LIVE PLC Questions And Answers August 16th, 2021, 07:56 AM
Replies: 19
Views: 1,698
Posted By BryanG
As ever with TIA Portal, Siemens made it...

As ever with TIA Portal, Siemens made it complicated to try to make it simple, so just seeing my program would probably raise more questions than it answers. Searching for 'siemens s7-1200 PTO'...
Forum: LIVE PLC Questions And Answers August 16th, 2021, 03:47 AM
Replies: 19
Views: 1,698
Posted By BryanG
I programmed a complete machine simulator which...

I programmed a complete machine simulator which included incremental encoder outputs. Those were done using the Motion Control facilities in the PLC, particularly the PTO (pulse train output)...
Forum: LIVE PLC Questions And Answers August 9th, 2021, 09:14 AM
Replies: 2
Views: 538
Posted By BryanG
I agree that Power Meters need a different...

I agree that Power Meters need a different interface, but I have found that the prices have dropped a lot recently.
This is 169.00 with a modbus RTU output:...
Forum: LIVE PLC Questions And Answers August 9th, 2021, 04:16 AM
Replies: 5
Views: 653
Posted By BryanG
You can see what digital inputs it thinks it is...

You can see what digital inputs it thinks it is getting by looking at Group 1 Parameter 17, if that is different from the actual signal you have found your problem.

...
Forum: LIVE PLC Questions And Answers August 8th, 2021, 05:40 AM
Replies: 5
Views: 653
Posted By BryanG
ACS600 doesn't seem to have position control so I...

ACS600 doesn't seem to have position control so I don't think it will be trying to Home itself. It does have Speed and Torque control. I know you have disconnected the digital inputs, do you have...
Forum: LIVE PLC Questions And Answers August 7th, 2021, 08:18 AM
Replies: 5
Views: 653
Posted By BryanG
Not a drives expert, hopefully others will chip...

Not a drives expert, hopefully others will chip in, but here are some thoughts.
Are you sure that the drive is driving and it isn't just gravity that is causing the platform to drop.

That doesn't...
Showing results 1 to 25 of 500

 
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