You are not registered yet. Please click here to register!


 
 
plc storereviewsdownloads
This board is for PLC Related Q&A ONLY. Please DON'T use it for advertising, etc.
 
Try our online PLC Simulator- FREE.  Click here now to try it.

---------->>>>>Get FREE PLC Programming Tips

New Here? Please read this important info!!!


Go Back   PLCS.net - Interactive Q & A > Search Forums

Showing results 1 to 25 of 500
Search took 0.10 seconds.
Search: Posts Made By: Archie
Forum: LIVE PLC Questions And Answers Today, 02:00 PM
Replies: 9
Views: 293
Posted By Archie
The download is still free, but you either have...

The download is still free, but you either have to go through the process of adding to the cart on the main web site to get the download link. Or you can use the beta version that has a link in this...
Forum: LIVE PLC Questions And Answers Today, 01:52 PM
Replies: 9
Views: 293
Posted By Archie
This is definitely doable with AdvancedHMI for no...

This is definitely doable with AdvancedHMI for no cost. If the value comes from an operator input, this is how you would do it:

- From the Toolbox add an EthernetIPforSLCMicroCom driver to the...
Forum: LIVE PLC Questions And Answers March 8th, 2019, 05:53 AM
Replies: 23
Views: 1,296
Posted By Archie
This made me think about an experiment I may have...

This made me think about an experiment I may have to try. DMX is a fairly simple one way protocol over RS-485. The MicroLogix 1400 has a RS-485 port. Could a ladder program be written to implement...
Forum: LIVE PLC Questions And Answers March 5th, 2019, 12:09 PM
Replies: 6
Views: 315
Posted By Archie
It's unlikely you would be able to reboot from a...

It's unlikely you would be able to reboot from a web page or java script alone. That would just be going around all of the security that java script offers.

My question is why use a server Pi? Why...
Forum: LIVE PLC Questions And Answers March 4th, 2019, 08:04 PM
Replies: 32
Views: 1,522
Posted By Archie
It is what you specified in your Forward Open....

It is what you specified in your Forward Open. Actually from your Wireshark capture, you specified 274 bytes
Forum: LIVE PLC Questions And Answers March 2nd, 2019, 07:42 AM
Replies: 32
Views: 1,522
Posted By Archie
00 01 = 0x0100 = 256 The number of elements to...

00 01 = 0x0100 = 256
The number of elements to read. In my test I read 256 elements of the array.

Dim data() as string = EthernetIPforCLXCom1.Read("ARR_S[0]",256)
Forum: LIVE PLC Questions And Answers March 1st, 2019, 06:31 PM
Replies: 32
Views: 1,522
Posted By Archie
I did a test to see how long it should really...

I did a test to see how long it should really take by using a CompactLogix and reading 256 DINTs from an array. Total Read time is 16.1ms

In the Wireshark capture, the read starts at packet 0 and...
Forum: LIVE PLC Questions And Answers March 1st, 2019, 05:42 PM
Replies: 32
Views: 1,522
Posted By Archie
Was the Wireshark capture from your driver or...

Was the Wireshark capture from your driver or from an AdvancedHMI test?
Forum: LIVE PLC Questions And Answers March 1st, 2019, 04:40 PM
Replies: 32
Views: 1,522
Posted By Archie
I just looked at your tag list. Is it just 250...

I just looked at your tag list. Is it just 250 consecutive elements of a DINT array? If so, you do not need to read each tag individually. Specify the first element, then the number of elements. Then...
Forum: LIVE PLC Questions And Answers March 1st, 2019, 04:11 PM
Replies: 32
Views: 1,522
Posted By Archie
The BeginReadMultiple would require that you...

The BeginReadMultiple would require that you figure out what the maximum you can fit into a single read. Basically by trial and error.

If you were to use subscriptions with the AdvancedHMI driver,...
Forum: LIVE PLC Questions And Answers March 1st, 2019, 03:08 PM
Replies: 32
Views: 1,522
Posted By Archie
Since you mentioned C# I assume you already have...

Since you mentioned C# I assume you already have and use Visual Studio. Here is a test that will take you less than 10 minutes to try. I will be surprised if this tag reading is not faster than...
Forum: LIVE PLC Questions And Answers March 1st, 2019, 01:48 PM
Replies: 32
Views: 1,522
Posted By Archie
RSLinx uses an undocumented service in which it...

RSLinx uses an undocumented service in which it seems to create an object to transmit a block of data from various tags. Almost like a multi-read request.

How fast do you want to read the tags?...
Forum: LIVE PLC Questions And Answers February 28th, 2019, 08:14 PM
Replies: 20
Views: 667
Posted By Archie
The AdvancedHMI license requires the full source...

The AdvancedHMI license requires the full source to be passed to the end user. You can think of it as the equivalent of the user uploading the program from a PanelView or Red Lion, then being able to...
Forum: LIVE PLC Questions And Answers February 28th, 2019, 07:11 PM
Replies: 20
Views: 667
Posted By Archie
AdvancedHMI and the Stand-Alone driver are...

AdvancedHMI and the Stand-Alone driver are completely different products.

AdvancedHMI is a complete package with a range of communication drivers and a multitude of components that work with the...
Forum: LIVE PLC Questions And Answers February 27th, 2019, 10:48 AM
Replies: 3
Views: 232
Posted By Archie
I would need to check this but I'm quite sure the...

I would need to check this but I'm quite sure the ET is calculated based on a start time. And the start time can be changed.
Forum: LIVE PLC Questions And Answers February 25th, 2019, 07:28 PM
Replies: 20
Views: 667
Posted By Archie
It's no different than using FT, Ignition, Red...

It's no different than using FT, Ignition, Red Lion, C-More, etc. You are not selling the software, you are selling the application you developed. As long as you comply with the license, you have the...
Forum: LIVE PLC Questions And Answers February 13th, 2019, 12:51 PM
Replies: 7
Views: 294
Posted By Archie
Are you using TwinCAT 2 or 3?

Are you using TwinCAT 2 or 3?
Forum: LIVE PLC Questions And Answers February 13th, 2019, 11:35 AM
Replies: 7
Views: 294
Posted By Archie
TwinCAT does not "pack" Booleans of a structure....

TwinCAT does not "pack" Booleans of a structure. Each Boolean of the structure takes 1 byte in memory.

You would probably have to create a function that transfers each bit of the word into the...
Forum: LIVE PLC Questions And Answers February 11th, 2019, 10:32 AM
Replies: 9
Views: 435
Posted By Archie
A full wave rectifier will turn the 24VAC into a...

A full wave rectifier will turn the 24VAC into a "rippled" DC voltage. The RMS will be 24V, but the peak will be over 35V.
Forum: LIVE PLC Questions And Answers February 7th, 2019, 01:00 PM
Replies: 16
Views: 732
Posted By Archie
Is your prox looking at the side of the can? if...

Is your prox looking at the side of the can? if so, depending on the sensing range and how close it is to the can, it can be on for a little as 10% of the time a can is in front of it because of the...
Forum: LIVE PLC Questions And Answers January 30th, 2019, 05:11 PM
Replies: 11
Views: 328
Posted By Archie
At $1500 you can get into a Windows based panel...

At $1500 you can get into a Windows based panel PC which will give you all the flexibility you need. It may take a little effort to make the printable report. I'm not sure of any canned package will...
Forum: LIVE PLC Questions And Answers January 30th, 2019, 04:43 PM
Replies: 11
Views: 328
Posted By Archie
What do you consider inexpensive?

What do you consider inexpensive?
Forum: LIVE PLC Questions And Answers January 12th, 2019, 07:33 AM
Replies: 9
Views: 639
Posted By Archie
A SharkTap and Wireshark software: ...

A SharkTap and Wireshark software:

https://www.amazon.com/midBit-Technologies-LLC-10-100/dp/B00DY77HHK

It is basically a 3 port switch with a mirrored port that let's you see the traffic....
Forum: LIVE PLC Questions And Answers January 10th, 2019, 10:06 AM
Replies: 20
Views: 1,670
Posted By Archie
Does no one use metric screws? If you...

Does no one use metric screws?


If you intend to follow NFPA 79, then here are a few highlights to consider:

11.2.1.5 Threaded fasteners with machine threads shall be used to attach...
Forum: LIVE PLC Questions And Answers January 7th, 2019, 07:40 PM
Replies: 6
Views: 365
Posted By Archie
How complex is the HMI, such as approximately how...

How complex is the HMI, such as approximately how many screens and how many tags?
Showing results 1 to 25 of 500

 
Forum Jump

All times are GMT -5. The time now is 06:52 PM.


.