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.

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 0.13 seconds.
Search: Posts Made By: Ken Moore
Forum: LIVE PLC Questions And Answers October 23rd, 2020, 06:01 PM
Replies: 23
Views: 896
Posted By Ken Moore
BTW, I used the above code on a similar system,...

BTW, I used the above code on a similar system, controlling defoamer flow to a basin. I ended up with the one scan "on", because the valve moved to much if any longer. I used a small Siemens 1214 for...
Forum: LIVE PLC Questions And Answers October 23rd, 2020, 10:41 AM
Replies: 23
Views: 896
Posted By Ken Moore
What platform? Here is what I have done in the...

What platform?
Here is what I have done in the past. Assumed two solenoids, Ladder Logic:
Network1: Create a 2.0 second self resetting timer.
Network2: If flow < setpoint, and Timer.Q energize...
Forum: LIVE PLC Questions And Answers October 22nd, 2020, 08:18 AM
Replies: 7
Views: 299
Posted By Ken Moore
OPC is the preferred method of collecting data...

OPC is the preferred method of collecting data for OSI. I usually install the OPC server and the OSI OPC interface on the same PC. The PC collects the data and forwards to the OSI server, in the...
Forum: LIVE PLC Questions And Answers October 21st, 2020, 05:50 PM
Replies: 8
Views: 490
Posted By Ken Moore
Write a program for a clothes washing machine....

Write a program for a clothes washing machine. Have switches and lights on your lab unit, so you can interact with your program.
I assume you already know the way a washing machine works. Start...
Forum: LIVE PLC Questions And Answers October 21st, 2020, 05:43 PM
Replies: 5
Views: 429
Posted By Ken Moore
Thanks for the follow, I doubt there are many 3's...

Thanks for the follow, I doubt there are many 3's still in service, but you never know.
I know of two in NC, but those are the only one's I've seen this Century.
Forum: LIVE PLC Questions And Answers October 20th, 2020, 12:55 PM
Replies: 8
Views: 360
Posted By Ken Moore
Does the new PVP7 Standard, support VNC remote...

Does the new PVP7 Standard, support VNC remote access?
Forum: LIVE PLC Questions And Answers October 16th, 2020, 11:06 AM
Replies: 3
Views: 271
Posted By Ken Moore
Yes they do: ...

Yes they do:

https://literature.rockwellautomation.com/idc/groups/literature/documents/pm/1756-pm007_-en-p.pdf
Forum: LIVE PLC Questions And Answers October 15th, 2020, 05:55 PM
Replies: 18
Views: 893
Posted By Ken Moore
Question: Are the missing tags of a certain...

Question:
Are the missing tags of a certain data type? Such as only Reals are not working, or only bits are not working?

Not saying it's true in your case, but I have encountered new "OPC...
Forum: LIVE PLC Questions And Answers October 14th, 2020, 09:19 AM
Replies: 15
Views: 586
Posted By Ken Moore
IMHO Estops should NEVER be used for Lock out /...

IMHO Estops should NEVER be used for Lock out / energy isolation. They are for stopping a machine when a bad event occurs. In the past a safety contactor would be used to stop a drive in an...
Forum: LIVE PLC Questions And Answers October 13th, 2020, 04:39 PM
Replies: 5
Views: 293
Posted By Ken Moore
In the good ole days. you could have the limits...

In the good ole days. you could have the limits start/stop a pump, and the 4-20 went to a chart recorder for historical purposes.

I have also seen discrete limits on valves that did not have...
Forum: LIVE PLC Questions And Answers October 12th, 2020, 05:43 PM
Replies: 3
Views: 362
Posted By Ken Moore
Do you have a back up copy of the PLC program? If...

Do you have a back up copy of the PLC program? If so, then you should be able to find a local company that will load the PLC for you at a reasonable price.

If you do not have the backup, then...
Forum: LIVE PLC Questions And Answers October 9th, 2020, 05:28 AM
Replies: 4
Views: 306
Posted By Ken Moore
Thanks guys/gals. I am going to replace all the...

Thanks guys/gals.
I am going to replace all the fiber jumpers first, cannot hurt, and may resolve my issue.
Forum: LIVE PLC Questions And Answers October 8th, 2020, 05:46 PM
Replies: 4
Views: 306
Posted By Ken Moore
Siemens OLM's, how long do they last?

Hey,
Does anyone know what the average life of an OLM is?

We are starting to see more failures than I like, most of the equipment has been in 24/7 service since 2012.
Forum: LIVE PLC Questions And Answers October 8th, 2020, 05:43 PM
Replies: 2
Views: 262
Posted By Ken Moore
OT: 753 VFD supply voltage.

Currently we are supplying a couple of hundred 753's with an input voltage of 435-440 VAC. Our utility company is going to correct this next month and we should get close to 480VAC afterwards.
...
Forum: LIVE PLC Questions And Answers October 8th, 2020, 05:37 PM
Replies: 11
Views: 722
Posted By Ken Moore
Assuming you can be off a second or two in you 12...

Assuming you can be off a second or two in you 12 hour time. You could set up a timer that had a preset of 3600 (1 hour) count the done bits and when you get to 12, enable your other logic....
Forum: LIVE PLC Questions And Answers October 8th, 2020, 04:35 PM
Replies: 3
Views: 208
Posted By Ken Moore
Another way: Let's assume you work at a plant...

Another way:
Let's assume you work at a plant and all of your PLC's and HMI's/Scada systems are on the same network.
You could install the Rockwell software on a small server and then who ever...
Forum: LIVE PLC Questions And Answers October 8th, 2020, 10:13 AM
Replies: 3
Views: 297
Posted By Ken Moore
Yep you were correct. The original program was...

Yep you were correct. The original program was written under Spanish, even though the comments were in English.

Thanks for the help.
Forum: LIVE PLC Questions And Answers October 7th, 2020, 06:11 PM
Replies: 3
Views: 297
Posted By Ken Moore
S7-313 migrate to TIA, lost comments

Hey,
Plan on migration of a S7-313 from Step-7 5.6 to TIA 15.1
It has a MP377 12"Touch HMI and they are very expensive to replace, over 12,000 USD. A TP1500 is 25% of that.

Instead of doing...
Forum: LIVE PLC Questions And Answers October 7th, 2020, 10:44 AM
Replies: 2
Views: 271
Posted By Ken Moore
The FOR_DO instruction, when enabled, repeatedly...

The FOR_DO instruction, when enabled, repeatedly executes the Routine until the Index value exceeds the Terminal value. Should all happen in one scan.
Forum: LIVE PLC Questions And Answers October 7th, 2020, 09:32 AM
Replies: 11
Views: 358
Posted By Ken Moore
You should be able to set up a Macro, where tag1...

You should be able to set up a Macro, where tag1 = tag2.
Then call the Macro.
Forum: LIVE PLC Questions And Answers October 7th, 2020, 08:59 AM
Replies: 11
Views: 358
Posted By Ken Moore
If both have ethernet, why not just message...

If both have ethernet, why not just message values from one to the other? The CLX can initiate messages to/from a PLC5.
Forum: LIVE PLC Questions And Answers October 6th, 2020, 02:55 PM
Replies: 8
Views: 464
Posted By Ken Moore
The .cha file is an exported CCW terminal...

The .cha file is an exported CCW terminal project. I have never used them, but you should be able to import into your CCW and then download to Panelview.
Forum: LIVE PLC Questions And Answers October 5th, 2020, 05:28 PM
Replies: 1
Views: 153
Posted By Ken Moore
Unlike the 1769 module, you have to use messages...

Unlike the 1769 module, you have to use messages to/from the gateway. You need to download the manual and read it through....
Forum: LIVE PLC Questions And Answers October 1st, 2020, 04:23 PM
Replies: 12
Views: 536
Posted By Ken Moore
Have you verified the io module addressing is...

Have you verified the io module addressing is correct in the 2500?
Forum: LIVE PLC Questions And Answers September 30th, 2020, 05:28 PM
Replies: 9
Views: 562
Posted By Ken Moore
You should read the help files in CCW on...

You should read the help files in CCW on configuration of the ModBusTCP messaging. It covers a lot of the information you need.
You should also read the manual on the ViewMarq. What address is it...
Showing results 1 to 25 of 500

 
Forum Jump

All times are GMT -4. The time now is 02:41 PM.


.