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Search: Posts Made By: SD_Scott
Forum: LIVE PLC Questions And Answers February 7th, 2020, 12:41 PM
Replies: 12
Views: 567
Posted By SD_Scott
Sounds like they want a low select. You can look...

Sounds like they want a low select. You can look it up on the ISA website.
Forum: LIVE PLC Questions And Answers January 15th, 2020, 10:19 PM
Replies: 11
Views: 666
Posted By SD_Scott
I used to work with Fanuc Arcmate welding robots...

I used to work with Fanuc Arcmate welding robots and the joints have brakes. Maybe just the weight bearing joints had them so you couldn't move them. Maybe the smaller joints or non weight bearing...
Forum: LIVE PLC Questions And Answers January 14th, 2020, 07:28 PM
Replies: 23
Views: 1,204
Posted By SD_Scott
Not sure what type of pump and motor combo you...

Not sure what type of pump and motor combo you have, but there may be a published NPSH curve for that pump. It will show you flow and DP. If you know the suction and discharge pressures you can...
Forum: LIVE PLC Questions And Answers November 25th, 2019, 11:22 AM
Replies: 31
Views: 2,221
Posted By SD_Scott
Motors are usually connected to something. Pumps,...

Motors are usually connected to something. Pumps, fans, compressors etc. I would suggest teaching some basic pump affinity laws (NPSH).
Forum: LIVE PLC Questions And Answers November 2nd, 2019, 08:30 PM
Replies: 19
Views: 2,404
Posted By SD_Scott
I used to work in a lot of tank farms in the oil...

I used to work in a lot of tank farms in the oil industry and the tanks are not uniform. We had 40,000, 80,000 and 250,000 barrel tanks and other sizes. We had what are called "strapping tables"....
Forum: LIVE PLC Questions And Answers April 10th, 2019, 09:34 PM
Replies: 5
Views: 507
Posted By SD_Scott
One place I worked went from Vmware esx to Cisco...

One place I worked went from Vmware esx to Cisco Unified Computing System some time ago.

With UCS we could spin up as many windows servers as we needed without having to pay for a new windows...
Forum: LIVE PLC Questions And Answers April 2nd, 2019, 02:09 PM
Replies: 8
Views: 644
Posted By SD_Scott
The drawing set can help a lot to organize your...

The drawing set can help a lot to organize your program. The process industry is different from the manufacturing industry. For example, if you had an 8 station rotary indexer, you could do something...
Forum: LIVE PLC Questions And Answers March 4th, 2019, 06:47 PM
Replies: 13
Views: 1,196
Posted By SD_Scott
I will definitely download it. With the...

I will definitely download it. With the controllers ability to connect to Azure and Amazon AWS, I would assume it has some fairly powerful database features. I will look.
Forum: LIVE PLC Questions And Answers March 4th, 2019, 03:02 PM
Replies: 13
Views: 1,196
Posted By SD_Scott
I downloaded the manual specifically to look at...

I downloaded the manual specifically to look at the SQL Queries section. I was hoping it would allow calling stored procedures and also to be able to iterate through a dataset in some detail. it...
Forum: LIVE PLC Questions And Answers March 3rd, 2019, 02:06 AM
Replies: 13
Views: 1,196
Posted By SD_Scott
I just went to the Red Lion site and read about...

I just went to the Red Lion site and read about that controller. Very impressive. I might buy one just to play with it. 300 protocols built in.



That is crazy. I must own one of these.
Forum: LIVE PLC Questions And Answers March 2nd, 2019, 04:11 PM
Replies: 35
Views: 5,356
Posted By SD_Scott
That would be amazing if every major PLC...

That would be amazing if every major PLC manufacturer would adopt an open standard for an internal data server.
Forum: LIVE PLC Questions And Answers March 1st, 2019, 05:19 PM
Replies: 35
Views: 5,356
Posted By SD_Scott
I would recommend that you strip out any logic...

I would recommend that you strip out any logic and test for read requests and receipt and unpack only. Set it so it runs at a fairly brisk pace. Then do the other stuff. The forward open requests are...
Forum: LIVE PLC Questions And Answers March 1st, 2019, 04:37 PM
Replies: 35
Views: 5,356
Posted By SD_Scott
i can see where you are sending them in groups....

i can see where you are sending them in groups. It looks like you are getting the data back from the PLC so I would suspect the application code. Are you unpacking in a different thread? Just a...
Forum: LIVE PLC Questions And Answers March 1st, 2019, 04:22 PM
Replies: 35
Views: 5,356
Posted By SD_Scott
Yes, it is done in the forward open request.

Yes, it is done in the forward open request.
Forum: LIVE PLC Questions And Answers March 1st, 2019, 04:07 PM
Replies: 35
Views: 5,356
Posted By SD_Scott
Never mind I found an online wireshark analyzer. ...

Never mind I found an online wireshark analyzer.

I looked and there are multiple sends and receives. Just post the multiple read request. Text if you can.
Forum: LIVE PLC Questions And Answers March 1st, 2019, 03:59 PM
Replies: 35
Views: 5,356
Posted By SD_Scott
I'm on a box without wireshark. Can you post the...

I'm on a box without wireshark. Can you post the text version. Also Archie is correct RSLinx does it differently. I would recommend using another "more generic product" to view the packets.
Forum: LIVE PLC Questions And Answers March 1st, 2019, 03:49 PM
Replies: 20
Views: 2,684
Posted By SD_Scott
I like the idea of having a dedicated Hydraulic...

I like the idea of having a dedicated Hydraulic controller. I've used the Bosch Rexroth HACD controllers over the years but my issue is always integration and connectivity. If someone has a product...
Forum: LIVE PLC Questions And Answers March 1st, 2019, 03:31 PM
Replies: 35
Views: 5,356
Posted By SD_Scott
I wrote my own CIP driver a couple years ago. It...

I wrote my own CIP driver a couple years ago. It supports the larger 4k(EN2TR EN3TR) packet size as well as the older 500 byte size. Not sure why you are experiencing a delay like that. Are actually...
Forum: LIVE PLC Questions And Answers February 28th, 2019, 05:01 PM
Replies: 5
Views: 515
Posted By SD_Scott
Good question. I use SQL server to store data...

Good question. I use SQL server to store data from the PLCs. I usually have several tables that represent different types of production data. You can read the PLC with anything from scada to custom...
Forum: LIVE PLC Questions And Answers February 28th, 2019, 03:23 PM
Replies: 5
Views: 515
Posted By SD_Scott
I like using large TVs connected to a thin client...

I like using large TVs connected to a thin client running a web app.
Forum: LIVE PLC Questions And Answers February 28th, 2019, 02:50 PM
Replies: 5
Views: 644
Posted By SD_Scott
You can use a lookup table. Increment the indexer...

You can use a lookup table. Increment the indexer and append to your string. The characters will fit into one SINT array(STRING data type)

[0] = 'A'
[1] = 'B'
[2] = 'C'

Etc.
Forum: LIVE PLC Questions And Answers February 28th, 2019, 02:24 PM
Replies: 12
Views: 1,600
Posted By SD_Scott
Can you write an intermediate system to get the...

Can you write an intermediate system to get the data to/from the PLC then send it to your proprietary system? I write large middleware systems and do this type of thing quite a bit. One of the...
Forum: LIVE PLC Questions And Answers February 26th, 2019, 03:02 PM
Replies: 2
Views: 576
Posted By SD_Scott
I noticed you have a wildcard on both sides of...

I noticed you have a wildcard on both sides of the string. %string%. If the string you are searching for is a prefix or suffix I think you can remove one of the wildcards. This will turn it into an...
Forum: LIVE PLC Questions And Answers February 7th, 2019, 03:50 PM
Replies: 73
Views: 11,785
Posted By SD_Scott
I used BricsCAD for a while. It was just ok....

I used BricsCAD for a while. It was just ok. Maybe it is better now.

https://www.bricsys.com/en-us/
Forum: LIVE PLC Questions And Answers February 7th, 2019, 12:18 AM
Replies: 8
Views: 623
Posted By SD_Scott
Is it just the tuning parameters you are needing?...

Is it just the tuning parameters you are needing? You're not going to need the derivative term, so I wouldn't worry about that. If the outflow is highly variable, it sounds like you will be at...
Showing results 1 to 25 of 167

 
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