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Search: Posts Made By: OkiePC
Forum: LIVE PLC Questions And Answers November 15th, 2017, 07:03 PM
Replies: 8
Views: 218
Posted By OkiePC
If you are getting online, then your program does...

If you are getting online, then your program does match. It is probably a failed card and in most all cases the CPU will correctly identify the slot.

In rare cases backplane noise is so bad that...
Forum: LIVE PLC Questions And Answers November 15th, 2017, 03:33 PM
Replies: 14
Views: 389
Posted By OkiePC
That's helpful, thanks! My goal is to have a...

That's helpful, thanks!

My goal is to have a script that runs at or near midnight and extracts this data automatically. I will wait until in the evening to log into the customer PC to make any...
Forum: LIVE PLC Questions And Answers November 15th, 2017, 09:49 AM
Replies: 14
Views: 389
Posted By OkiePC
No, I sure don't. So I have a crude setup...

No, I sure don't.

So I have a crude setup working that requires operator intervention, which in my opinion is not really good enough...

But I did read in the help file about the tags that get...
Forum: LIVE PLC Questions And Answers November 13th, 2017, 07:08 PM
Replies: 14
Views: 389
Posted By OkiePC
Alrighty, I am trying to pull this off now and...

Alrighty, I am trying to pull this off now and found some issues...
1) The HistData Wizard creates a button that the operator will have to press to create the csv file. This button is associated...
Forum: LIVE PLC Questions And Answers November 6th, 2017, 06:17 PM
Replies: 14
Views: 389
Posted By OkiePC
Excellent feedback, thanks! They already have a...

Excellent feedback, thanks! They already have a Trend chart with the pertinent tags populated in it. I used remote access to look at that trend and I was able to look at data from several days ago....
Forum: LIVE PLC Questions And Answers November 6th, 2017, 03:12 PM
Replies: 7
Views: 222
Posted By OkiePC
This is going to vary by manufacturer. RS-485 is...

This is going to vary by manufacturer. RS-485 is supposed to be limited to 32 nodes, but the Modbus protocol is not subject to that limit. A node is a master or a slave or a client or a server...
Forum: LIVE PLC Questions And Answers November 6th, 2017, 03:05 PM
Replies: 3
Views: 193
Posted By OkiePC
I agree with James. To indicate that it is...

I agree with James. To indicate that it is magnet operated, some people put a C shaped magnet symbol above it. I am more inclined to include that info in the description and use the standard prox...
Forum: LIVE PLC Questions And Answers November 6th, 2017, 02:25 PM
Replies: 9
Views: 582
Posted By OkiePC
Wow! That makes me miss robot programming a...

Wow! That makes me miss robot programming a little.
Forum: LIVE PLC Questions And Answers November 6th, 2017, 02:18 PM
Replies: 5
Views: 135
Posted By OkiePC
I don't think that will work for you with three...

I don't think that will work for you with three nodes connected at once. Using it as a terminal block interface between the PLCs should be fine and make for a professional termination. I think you...
Forum: LIVE PLC Questions And Answers November 6th, 2017, 12:55 PM
Replies: 5
Views: 135
Posted By OkiePC
RS-232/DF1 is point to point meaning it only...

RS-232/DF1 is point to point meaning it only supports two devices. What you are wanting to do is supported by a port splitter from A/B part number 1747-DPS1. I have never used it, but I expect that...
Forum: LIVE PLC Questions And Answers November 6th, 2017, 12:06 PM
Replies: 14
Views: 389
Posted By OkiePC
Wonderware version 10 data logging

I am working with a customer using Intouch version 10.0.002 in a water plant and they want to add logging for about 4 tags to record the CL2 residual and turbidity during off hours. Right now, they...
Forum: LIVE PLC Questions And Answers November 6th, 2017, 03:50 AM
Replies: 2
Views: 104
Posted By OkiePC
It's the easiest, and depending on your pay rate,...

It's the easiest, and depending on your pay rate, most cost effective.



Yes, you can do that. There is very little chance of damaging equipment that I am aware of. Just be careful to wire it...
Forum: LIVE PLC Questions And Answers November 1st, 2017, 02:53 PM
Replies: 4
Views: 285
Posted By OkiePC
Also, for testing, add a line of PLC code that...

Also, for testing, add a line of PLC code that examines this tag (assuming it is a bit address) and drives a CTU (counter). Often, while monitoring logic, you may not see every change of state that...
Forum: LIVE PLC Questions And Answers November 1st, 2017, 01:55 PM
Replies: 3
Views: 149
Posted By OkiePC
If the display is cached, then you will also need...

If the display is cached, then you will also need to flush the cache and then reopen the display to see any changes that you made graphically. Also, many systems are set up to put the most recently...
Forum: LIVE PLC Questions And Answers November 1st, 2017, 01:51 PM
Replies: 6
Views: 176
Posted By OkiePC
I worked with a non-contact laser based system...

I worked with a non-contact laser based system with encoder outputs for a similar application many years ago made by Cannon. It was ridiculously expensive. I remember thinking the same thing after...
Forum: LIVE PLC Questions And Answers October 31st, 2017, 05:05 PM
Replies: 16
Views: 466
Posted By OkiePC
It probably won't be quite as cheap, but will be...

It probably won't be quite as cheap, but will be virtually bullet proof:

https://www.amci.com/plc-automation-products/1141-1142-micrologix-resolver-interface-plc-modules-allen-bradley/#!/185

I...
Forum: LIVE PLC Questions And Answers October 31st, 2017, 04:23 PM
Replies: 2
Views: 139
Posted By OkiePC
The contactor coil is an inductive load. It...

The contactor coil is an inductive load. It would be wise to put a snubber (surge suppressor) on it or to use an interposing relay (both actually)...

It could be that there is already a snubber...
Forum: LIVE PLC Questions And Answers October 31st, 2017, 02:51 PM
Replies: 6
Views: 137
Posted By OkiePC
I have no firsthand experience with this but here...

I have no firsthand experience with this but here is a Technote that should help you:

http://www.redlion.net/files/1299/7111
Forum: LIVE PLC Questions And Answers October 30th, 2017, 06:23 PM
Replies: 26
Views: 996
Posted By OkiePC
This happened to me once. Motor would only fail...

This happened to me once. Motor would only fail a megger test (or fault the VFD) if it was stopped at one particular angle. My PITA motor was difficult to replace so we marked the shaft and housing...
Forum: LIVE PLC Questions And Answers October 23rd, 2017, 02:06 PM
Replies: 15
Views: 201
Posted By OkiePC
I am pretty sure you can bring the A/B strings...

I am pretty sure you can bring the A/B strings into Crimson string tags. I have no string experience with Mitsubishi. In most systems, each character is one byte. In the A/B plc, the first word is...
Forum: LIVE PLC Questions And Answers October 20th, 2017, 06:47 PM
Replies: 9
Views: 387
Posted By OkiePC
I think Bit_Bucket has the better idea here. ...

I think Bit_Bucket has the better idea here. Putting machinery control logic in an HMI is almost never a good idea. If the machine has been idle for more than 'x' minutes, then add offsets to the...
Forum: LIVE PLC Questions And Answers October 18th, 2017, 11:10 PM
Replies: 12
Views: 307
Posted By OkiePC
Panelbuilder32 v 3.83 seems to run fine on my...

Panelbuilder32 v 3.83 seems to run fine on my Win7/64 bit laptop.
Forum: LIVE PLC Questions And Answers October 16th, 2017, 10:04 PM
Replies: 30
Views: 2,098
Posted By OkiePC
Use a common navigation bar or menu bar. The...

Use a common navigation bar or menu bar. The operator will get used to knowing where to touch for all navigation. The "Home" button should always be in the same spot on all pages, likewise for...
Forum: LIVE PLC Questions And Answers October 12th, 2017, 05:33 PM
Replies: 120
Views: 9,844
Posted By OkiePC
When the government took over handling of student...

When the government took over handling of student loans, that is when the colleges all straightened up and reduced the costs [/sarcasm]
...
Forum: LIVE PLC Questions And Answers October 12th, 2017, 05:14 PM
Replies: 6
Views: 311
Posted By OkiePC
1) I think you must assign the Modbus address in...

1) I think you must assign the Modbus address in order to be able to reference it from an external Modbus device.

I can't help with #3, but will be following to see if there is an answer.
Showing results 1 to 25 of 500

 
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