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Search: Posts Made By: rootboy
Forum: LIVE PLC Questions And Answers June 25th, 2018, 01:33 PM
Replies: 3
Views: 332
Posted By rootboy
Congrats Mickey (as I add one more message to my...

Congrats Mickey (as I add one more message to my tally).
Forum: LIVE PLC Questions And Answers June 25th, 2018, 01:31 PM
Replies: 4
Views: 293
Posted By rootboy
Vaisala probably has one that would work. The...

Vaisala probably has one that would work. The ones that we used on our Zurn are so old that they aren't being manufactured any longer.
Forum: LIVE PLC Questions And Answers June 20th, 2018, 06:48 AM
Replies: 2
Views: 235
Posted By rootboy
Is this a homework question? No matter... ...

Is this a homework question? No matter...

Well, you could use a DINT as your BSR "register" and as each new pan comes into the conveyor, divide it by two and set the MSB (.31) to 1. Since you are...
Forum: LIVE PLC Questions And Answers June 20th, 2018, 06:36 AM
Replies: 3
Views: 272
Posted By rootboy
Or export it as a .L5K, and use a nice...

Or export it as a .L5K, and use a nice (Notepad++) text editor.
Forum: LIVE PLC Questions And Answers June 20th, 2018, 06:26 AM
Replies: 11
Views: 303
Posted By rootboy
It can be used for that. Or as a stand-alone HMI....

It can be used for that. Or as a stand-alone HMI. It's dead simple to use, and rock solid.

Personally, I think that we should elevate Archie to sainthood. :)
Forum: LIVE PLC Questions And Answers June 20th, 2018, 06:23 AM
Replies: 11
Views: 303
Posted By rootboy
Yup, well said. It's what we do, and we use...

Yup, well said. It's what we do, and we use different HMIs (Rockwell and Proface), which is no problem at all if you use AdvancedHMI.

We don't have any trouble with RSLinx (since we aren't using...
Forum: LIVE PLC Questions And Answers June 19th, 2018, 11:28 AM
Replies: 14
Views: 11,396
Posted By rootboy
You'll see the same behavior on Proface HMIs. So...

You'll see the same behavior on Proface HMIs. So it's not just FT doing it.
Forum: LIVE PLC Questions And Answers June 19th, 2018, 11:22 AM
Replies: 11
Views: 303
Posted By rootboy
Sounds like a job for AdvancedHMI... I'm...

Sounds like a job for AdvancedHMI...

I'm doing the same thing for testers here at the plant. It collects the shift and daily totals and then resets them for the next day. Simple and free.
Forum: LIVE PLC Questions And Answers June 14th, 2018, 09:36 AM
Replies: 8
Views: 455
Posted By rootboy
lol! (or a new ElectroBoom video theme....

lol!

(or a new ElectroBoom video theme. https://www.youtube.com/watch?v=ZZg4pPX3EIs).
Forum: LIVE PLC Questions And Answers June 14th, 2018, 09:35 AM
Replies: 6
Views: 345
Posted By rootboy
We use them, and they perform flawlessly, but we...

We use them, and they perform flawlessly, but we use them with RA PLCs.
Forum: LIVE PLC Questions And Answers June 14th, 2018, 09:13 AM
Replies: 7
Views: 546
Posted By rootboy
No problem! :) Can you post a picture of...

No problem! :)

Can you post a picture of your transformer please?
Forum: LIVE PLC Questions And Answers June 14th, 2018, 09:08 AM
Replies: 26
Views: 1,931
Posted By rootboy
Generally overpriced... Also known as Rockwell...

Generally overpriced... Also known as Rockwell Automation.
Forum: LIVE PLC Questions And Answers June 12th, 2018, 11:42 AM
Replies: 8
Views: 421
Posted By rootboy
I found this interesting: ...

I found this interesting:

https://www.plantengineering.com/single-article/when-it-comes-to-motors-how-hot-is-hot/c3263c02ce0f0742357c5f63063f2f7d.html

Based on it, I would say that you need to...
Forum: LIVE PLC Questions And Answers June 12th, 2018, 09:16 AM
Replies: 31
Views: 1,718
Posted By rootboy
Exactly. You've got a limited number of bits...

Exactly. You've got a limited number of bits available for the mantissa, so expect a limited answer. You don't get Pi to a quadrillion places on your '80's era solar-powered calculator either....
Forum: LIVE PLC Questions And Answers June 7th, 2018, 12:27 AM
Replies: 3
Views: 321
Posted By rootboy
BTW, has anybody tried these motors out? They...

BTW, has anybody tried these motors out? They look very promising...

https://www.teknic.com/products/clearpath-brushless-dc-servo-motors/

Check out their video on Youtube:...
Forum: LIVE PLC Questions And Answers June 7th, 2018, 12:22 AM
Replies: 3
Views: 321
Posted By rootboy
Sounds like a bad servo motor. One thing that...

Sounds like a bad servo motor. One thing that you've got to watch out for is overheating the magnets in a PM servo. They lose their magnetism, overheat, and then burn the windings.

They should be...
Forum: LIVE PLC Questions And Answers June 6th, 2018, 09:46 PM
Replies: 7
Views: 393
Posted By rootboy
I'd have never made it through my apprenticeship...

I'd have never made it through my apprenticeship without them. :)

These days I tell people that I'm a "Handyman". One that carries a Master's license...

I haven't had to deal with inspectors...
Forum: LIVE PLC Questions And Answers June 6th, 2018, 09:40 PM
Replies: 7
Views: 393
Posted By rootboy
It's very common in industrial plants (almost...

It's very common in industrial plants (almost without exception). The disconnect is stabbed into the buss duct, and fused there. Then there is the ground level disconnect with its fuses and/or...
Forum: LIVE PLC Questions And Answers June 6th, 2018, 05:07 PM
Replies: 7
Views: 393
Posted By rootboy
Only "many"? I smell side jobs here......

Only "many"? I smell side jobs here... :)
Forum: LIVE PLC Questions And Answers June 6th, 2018, 05:00 PM
Replies: 7
Views: 321
Posted By rootboy
Basically the slave drive/motor combination has...

Basically the slave drive/motor combination has to match the performance of the master as closely as possible. So start there. Does your slave drive keep up with the master in terms of acceleration...
Forum: LIVE PLC Questions And Answers June 6th, 2018, 04:42 PM
Replies: 7
Views: 546
Posted By rootboy
It looks to me that it is wired correctly (for...

It looks to me that it is wired correctly (for North America). On the secondary side of the transformer, what you would consider your Neutral is just the other side of your output phase. You can't...
Forum: LIVE PLC Questions And Answers May 29th, 2018, 11:08 AM
Replies: 13
Views: 691
Posted By rootboy
I could have phrased that better, rather than...

I could have phrased that better, rather than "VFD losses", it should be "semiconductor losses". There's no reason to continuously run through the soft start part of the controller once the motor is...
Forum: LIVE PLC Questions And Answers May 29th, 2018, 10:19 AM
Replies: 7
Views: 514
Posted By rootboy
As an apprentice electrician I was taught that...

As an apprentice electrician I was taught that there were firing offenses, and summary execution offenses.

Cutting the labels off of a motor fell squarely into the second category.


I think...
Forum: LIVE PLC Questions And Answers May 29th, 2018, 08:40 AM
Replies: 7
Views: 448
Posted By rootboy
http://www.plctalk.net/qanda/showthread.php?t=1088...

http://www.plctalk.net/qanda/showthread.php?t=108899

I've redone my submission with the SafeCondition part removed (it was something that the OP wanted). There are other examples to choose from as...
Forum: LIVE PLC Questions And Answers May 29th, 2018, 08:13 AM
Replies: 13
Views: 691
Posted By rootboy
And most (some?) soft starters come with...

And most (some?) soft starters come with mechanical contacts that bypass the VFD after the starter has done its job so that there are no additional VFD losses.
Showing results 1 to 25 of 500

 
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