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Search: Posts Made By: ASF
Forum: LIVE PLC Questions And Answers August 16th, 2018, 05:31 PM
Replies: 13
Views: 371
Posted By ASF
Ah, good old AWG. Because why use an actual...

Ah, good old AWG. Because why use an actual measurement to describe the size of your cable when you can use a totally unrelated number instead? :D
Forum: LIVE PLC Questions And Answers August 15th, 2018, 08:40 PM
Replies: 10
Views: 296
Posted By ASF
It's a little more complex than just a fan...

It's a little more complex than just a fan circulating through a duct. There are multiple supply and return air fans, motorised dampers, various routes through heat exchangers/heating elements, and...
Forum: LIVE PLC Questions And Answers August 15th, 2018, 08:24 PM
Replies: 7
Views: 225
Posted By ASF
I've got a rounding AOI that I use - for any...

I've got a rounding AOI that I use - for any given input, it will return a rounded up, rounded down, and rounded to nearest value output.
Forum: LIVE PLC Questions And Answers August 15th, 2018, 08:23 PM
Replies: 7
Views: 225
Posted By ASF
You just have to check that your value isn't a...

You just have to check that your value isn't a round number first...


123.456 >> Truncate to 123 >> Add one = 124


123.000 >> Truncate to 123 >> Add one = 124
Forum: LIVE PLC Questions And Answers August 14th, 2018, 06:29 PM
Replies: 10
Views: 296
Posted By ASF
Thanks Dan, that's really helpful information. ...

Thanks Dan, that's really helpful information.


The velogrids only require 1.2 duct diameters upstream/downstream, and you can go even less if you install a "flow straightener" before it. Whereas...
Forum: LIVE PLC Questions And Answers August 14th, 2018, 06:09 PM
Replies: 11
Views: 225
Posted By ASF
Yes, that's correct. The "visible" property is...

Yes, that's correct. The "visible" property is not really a "visible" property so much as a "is it there at all" property.
Forum: LIVE PLC Questions And Answers August 14th, 2018, 05:56 PM
Replies: 17
Views: 710
Posted By ASF
Maybe I've misunderstood what you're trying to...

Maybe I've misunderstood what you're trying to do. Can you give some more info?
Forum: LIVE PLC Questions And Answers August 14th, 2018, 05:40 PM
Replies: 10
Views: 296
Posted By ASF
Thanks guys. At the moment we're looking at these...

Thanks guys. At the moment we're looking at these units (http://www.dwyer-inst.com/PDF_files/AFG_iom.pdf) due to long lead time on the velogrids. They look similar to the ones Tom suggested, and they...
Forum: LIVE PLC Questions And Answers August 14th, 2018, 05:26 PM
Replies: 3
Views: 132
Posted By ASF
Easy. Give yourself three tags: Roll_Yards...

Easy. Give yourself three tags:
Roll_Yards (existing tag, yards since last reset)
Prev_Roll_Yards (total yards on previously run rolls)
Total_Yards (total yards this shift)


At all times, you...
Forum: LIVE PLC Questions And Answers August 14th, 2018, 05:13 PM
Replies: 27
Views: 427
Posted By ASF
Welcome to the forum! To communicate between a...

Welcome to the forum! To communicate between a Control Logix and a Micrologix you will use explicit messaging, i.e. the MSG instruction. Getting it working is relatively straightforward, but there...
Forum: LIVE PLC Questions And Answers August 14th, 2018, 03:34 AM
Replies: 11
Views: 225
Posted By ASF
Pretty straightforward. Every button that...

Pretty straightforward. Every button that requires a "are you sure" popup is not a momentary button, instead it's a Go To Display button. It calls a popup that you create as follows...


...
Forum: LIVE PLC Questions And Answers August 13th, 2018, 08:24 PM
Replies: 10
Views: 296
Posted By ASF
That's a little up in the air at the moment. Part...

That's a little up in the air at the moment. Part of the problem is that the client wants (slash needs) to squeeze this HVAC system into quite a small space. This means that we're unlikely to have a...
Forum: LIVE PLC Questions And Answers August 13th, 2018, 08:20 PM
Replies: 17
Views: 710
Posted By ASF
Still probably doable. The HMI tags (as mentioned...

Still probably doable. The HMI tags (as mentioned previously) are server-based, so you'd need each client to be monitoring those tags and performing an action on tag change. And probably also at...
Forum: LIVE PLC Questions And Answers August 13th, 2018, 08:01 PM
Replies: 10
Views: 296
Posted By ASF
Air flow sensor

Hi all,


I have an application where I have to measure air flow through a HVAC duct, as we have to ultimately maintain a certain rate of air "changes" in a room of known volume in a given time...
Forum: LIVE PLC Questions And Answers August 13th, 2018, 07:39 PM
Replies: 11
Views: 225
Posted By ASF
Welcome to the forum! The first link that...

Welcome to the forum!


The first link that Garry shared has a post by me at the end that details how I do it. Nice and simple!
Forum: LIVE PLC Questions And Answers August 13th, 2018, 07:31 PM
Replies: 17
Views: 710
Posted By ASF
Yes, using VB is your only option here. Tags are...

Yes, using VB is your only option here. Tags are server based, but the VBA is client based.


I don't think you'll need to use actual variables though - you should be able to just directly write...
Forum: LIVE PLC Questions And Answers August 12th, 2018, 09:05 PM
Replies: 15
Views: 488
Posted By ASF
I don't. The only software installed on the host...

I don't. The only software installed on the host is VMWare, Teamviewer and Dropbox. Everything else, including AutoCAD, runs in a VM. Makes disaster recovery and hardware upgrades as painless as...
Forum: LIVE PLC Questions And Answers August 12th, 2018, 08:02 PM
Replies: 2
Views: 108
Posted By ASF
I use a multistate indicator. I pass it three...

I use a multistate indicator. I pass it three parameters:

- The value to be displayed
- The units (string)
- A "healthy/not healthy" bit

I configure two states, with the text being simply...
Forum: LIVE PLC Questions And Answers August 12th, 2018, 07:56 PM
Replies: 15
Views: 488
Posted By ASF
I also use a mac. I've used VMWare Fusion and...

I also use a mac. I've used VMWare Fusion and never had any major problems (apart from Windows-related problems, and once I filled it with curry, which caused a few problems).
I definitely agree...
Forum: LIVE PLC Questions And Answers August 12th, 2018, 07:32 PM
Replies: 10
Views: 331
Posted By ASF
+1

+1
Forum: LIVE PLC Questions And Answers August 12th, 2018, 07:30 PM
Replies: 103
Views: 5,253
Posted By ASF
The factory I spent the last week at still has a...

The factory I spent the last week at still has a handful of PLC5's running. One in particular that I had to work on has 6 remote racks (mixture of PLC5 and SLC) and the processor logic is at...
Forum: LIVE PLC Questions And Answers August 1st, 2018, 12:11 AM
Replies: 3
Views: 162
Posted By ASF
If you connect the USB-ethernet adaptor to the...

If you connect the USB-ethernet adaptor to the VM, you may have to install drivers on the VM. At that point it should show up directly in your VM with no settings required in VMWare, as VMWare...
Forum: LIVE PLC Questions And Answers August 1st, 2018, 12:08 AM
Replies: 3
Views: 158
Posted By ASF
Is it only the one login that causes this, or do...

Is it only the one login that causes this, or do all logins display the same symptoms?


I had an FTView SE install that would sporadically freeze for a good couple of minutes when someone logged...
Forum: LIVE PLC Questions And Answers July 30th, 2018, 06:08 PM
Replies: 12
Views: 478
Posted By ASF
Yes.

Yes.
Forum: LIVE PLC Questions And Answers July 30th, 2018, 06:07 PM
Replies: 12
Views: 278
Posted By ASF
That's an excellent point, and one that I've not...

That's an excellent point, and one that I've not come across/considered before. Thanks for the tip, I'll be sure to use it in future!
Showing results 1 to 25 of 500

 
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