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 0.06 seconds.
Search: Posts Made By: sparkie
Forum: LIVE PLC Questions And Answers February 13th, 2018, 06:31 AM
Replies: 13
Views: 406
Posted By sparkie
The reason I can't just use a Click as a modbus...

The reason I can't just use a Click as a modbus gateway is because these tanks will be grouped by 10's, and they will be adding tanks in off numbers, such as 3 or 4 at a time as they get them up and...
Forum: LIVE PLC Questions And Answers February 10th, 2018, 06:51 AM
Replies: 12
Views: 429
Posted By sparkie
You are on the right track by by analyzing the...

You are on the right track by by analyzing the system for potential safety concerns. I think about safety before I ever start, and then again, afterwards.

You can't always design to the maximum...
Forum: LIVE PLC Questions And Answers February 9th, 2018, 07:09 PM
Replies: 13
Views: 406
Posted By sparkie
Thanks for the info. I'm about to wrap up for the...

Thanks for the info. I'm about to wrap up for the day. Gotta love laying out terminal blocks by hand :zzzzz:

To be more specific:

Process Controller:
Handle Valve action with P control (2-3...
Forum: LIVE PLC Questions And Answers February 9th, 2018, 05:46 PM
Replies: 13
Views: 406
Posted By sparkie
Recommendations for ModBus Gateway?

I'm currently moving ahead on the proportional controls for a set of cooling vats. I'll be using Solo SL4824-CR temperature controllers to provide proportional-only control. Given that these tanks...
Forum: LIVE PLC Questions And Answers February 4th, 2018, 12:38 PM
Replies: 7
Views: 392
Posted By sparkie
If it isn't all that expensive of a drive, and...

If it isn't all that expensive of a drive, and you have spares on hand AND there can be some small downtime on the machine, I would swap it out with a known-good drive and see if the problem...
Forum: LIVE PLC Questions And Answers February 4th, 2018, 12:33 PM
Replies: 11
Views: 417
Posted By sparkie
Another way to do this would be to use your...

Another way to do this would be to use your 4-20mA in an input and then use LIM instructions along with other conditionals to perform various parts of your process. I'm not sure how applicable that...
Forum: LIVE PLC Questions And Answers February 2nd, 2018, 04:54 PM
Replies: 10
Views: 326
Posted By sparkie
To the people asking why this needs done: In...

To the people asking why this needs done:

In a highly linear process, if one piece of the process goes down, the rest of the process has to stop. Otherwise, you will wind up with a ton of...
Forum: LIVE PLC Questions And Answers January 31st, 2018, 08:30 PM
Replies: 4
Views: 330
Posted By sparkie
Another option is to add a specific-purpose...

Another option is to add a specific-purpose safety relay to the circuit to handle the mats. It has a set of dry contacts that can be used for your last free input.

url didn't work. Just try...
Forum: LIVE PLC Questions And Answers January 29th, 2018, 11:11 PM
Replies: 21
Views: 1,024
Posted By sparkie
Not code, and others have mentioned why to use...

Not code, and others have mentioned why to use the aux disconnects, however at my hold job we can a 60A CH disconnected, mounted on a board, mounted on the wall with big black letters that said "This...
Forum: LIVE PLC Questions And Answers January 14th, 2018, 05:35 PM
Replies: 5
Views: 305
Posted By sparkie
Of course it varies, but you will probably end up...

Of course it varies, but you will probably end up spending around (erm, at least) 10K for the software. It would take a few projects to pay for the software. Studio5k is around 5-7K and view ME is...
Forum: LIVE PLC Questions And Answers January 1st, 2018, 12:57 PM
Replies: 1
Views: 132
Posted By sparkie
Found the issue. I had an incorrect length with a...

Found the issue. I had an incorrect length with a copy instruction, so it was overwriting other tag's values.
Forum: LIVE PLC Questions And Answers January 1st, 2018, 10:52 AM
Replies: 1
Views: 132
Posted By sparkie
Strange issues with AD POV and OPC

I'm using RSEmulate 28.11 with RSLinx Classic OPC Server and POV 8.1 to build an HMI. I'm getting a strange problem.

I have a tag for tank temp setpoint. It is an integer tag. When I go to write...
Forum: LIVE PLC Questions And Answers December 27th, 2017, 05:28 PM
Replies: 5
Views: 345
Posted By sparkie
I did, in fact, check the system log. I can't...

I did, in fact, check the system log. I can't remember the exact message, but it had to do with a DCOM reply timeout from Windows 7 to Windows 10. The Windows 10 computer could get the data from the...
Forum: LIVE PLC Questions And Answers December 27th, 2017, 05:24 PM
Replies: 14
Views: 711
Posted By sparkie
Thanks for all the input. I was actually playing...

Thanks for all the input. I was actually playing with advancedHMI and the Logix simulators, but getting it to talk to them is quite a pain, so I wasn't really able to mess with it too much. Plus,...
Forum: LIVE PLC Questions And Answers December 26th, 2017, 01:48 AM
Replies: 14
Views: 711
Posted By sparkie
The issue is cost. 14 small HMI's would add up to...

The issue is cost. 14 small HMI's would add up to quite a bit. When I asked what all this equipment needed to do, I was me with "I want it to make my coffee for me." Of course, if money is no problem...
Forum: LIVE PLC Questions And Answers December 25th, 2017, 06:43 PM
Replies: 5
Views: 345
Posted By sparkie
I never could get call-backs working. It has...

I never could get call-backs working. It has something to do with the windows 7 VM going to the windows 10 VM so I gave up and installed POV on the win7VM. It is just for a demonstration at this...
Forum: LIVE PLC Questions And Answers December 25th, 2017, 06:42 PM
Replies: 14
Views: 711
Posted By sparkie
Thanks for the info guys. I'll be going with...

Thanks for the info guys. I'll be going with spring-loaded RTD's and I'm going to use panelmeters for the temperature display and signal conditioning. I'm going to try to talk him out of temperature...
Forum: LIVE PLC Questions And Answers December 24th, 2017, 12:34 PM
Replies: 5
Views: 345
Posted By sparkie
Thank you. This is more meant for a simulation...

Thank you. This is more meant for a simulation project so I can try out some different HMI's before I make a decision on which package to go with. The customer is wanting some integration with some...
Forum: LIVE PLC Questions And Answers December 24th, 2017, 11:07 AM
Replies: 5
Views: 345
Posted By sparkie
A bit hung up with OPC

So I'm running a couple of VM's in VMWare.

VM1(Windows 7 Ultimate): RSLinx Classic 3.74 with RS Emulate 500 and I have an OPC topic set up for the processor. I can connect locally with the OPC...
Forum: LIVE PLC Questions And Answers December 20th, 2017, 12:25 AM
Replies: 14
Views: 711
Posted By sparkie
Temperature Controls in a Glycol Chilling System

I'm starting on the controls of a set of glycol cooling vats this week. Something the customer wants is a centralized HMI to control and monitor all the vats, but he also wants to be able to set the...
Forum: LIVE PLC Questions And Answers December 8th, 2017, 09:24 PM
Replies: 31
Views: 1,891
Posted By sparkie
Was this a VRT freezer by chance?:wizard:

Was this a VRT freezer by chance?:wizard:
Forum: LIVE PLC Questions And Answers November 16th, 2017, 10:14 PM
Replies: 8
Views: 530
Posted By sparkie
I saw the yellow light. I changed a drive and...

I saw the yellow light. I changed a drive and didn't set the safety jumper on the new drive.
Forum: LIVE PLC Questions And Answers November 16th, 2017, 01:32 PM
Replies: 4
Views: 857
Posted By sparkie
Did anyone do any welding in the vicinity of the...

Did anyone do any welding in the vicinity of the scale?

What type of loadcell and indicator?
Forum: LIVE PLC Questions And Answers November 15th, 2017, 06:51 PM
Replies: 8
Views: 411
Posted By sparkie
It loads the program on program corruption or...

It loads the program on program corruption or loss. For instance, a dead battery. I can't remember if it loads them on power up. There is a project setting for them, or you can pull the processor and...
Forum: LIVE PLC Questions And Answers November 15th, 2017, 06:44 PM
Replies: 8
Views: 411
Posted By sparkie
Just a little something I would like to throw out...

Just a little something I would like to throw out there:

Does this processor have an EEPROM? If so, it is quite possible a different program has been loaded with a different io configuration.
Showing results 1 to 25 of 500

 
Forum Jump

All times are GMT -5. The time now is 06:01 AM.


.