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Search: Posts Made By: sparkie
Forum: LIVE PLC Questions And Answers June 18th, 2018, 04:32 PM
Replies: 0
Views: 64
Posted By sparkie
Maple HMC3102-A and Modbus

So I'm using this combo HMI/PLC from maple. So far, I really like the interface, but I'm having a problem trying to get something set up. I have around 20ish PID controllers on an RS-485 network....
Forum: LIVE PLC Questions And Answers May 31st, 2018, 07:04 AM
Replies: 14
Views: 451
Posted By sparkie
I've seen this a lot. No matter what, the bit is...

I've seen this a lot. No matter what, the bit is off when B is made. I've seen it used on run permissives for conveyor and chain applications.

It is no problem to run on asynch IO as long as you...
Forum: LIVE PLC Questions And Answers May 25th, 2018, 10:26 AM
Replies: 16
Views: 669
Posted By sparkie
In an AC solution, your PLC would likely function...

In an AC solution, your PLC would likely function as a thermostat for the unit maintaining a certain temperature range the unit controls. Keep it clean and the maintenance costs would not likely be...
Forum: LIVE PLC Questions And Answers May 19th, 2018, 08:33 AM
Replies: 4
Views: 317
Posted By sparkie
It sounds like data from various bits of the...

It sounds like data from various bits of the program that need to communicate with another PLC are being stored together and transferred as a single tag. It makes more sense if you look at the values...
Forum: LIVE PLC Questions And Answers May 10th, 2018, 06:34 AM
Replies: 19
Views: 914
Posted By sparkie
This was my first thought as well.

This was my first thought as well.
Forum: LIVE PLC Questions And Answers May 1st, 2018, 11:39 PM
Replies: 32
Views: 1,681
Posted By sparkie
When you sum it all up, it really comes down to...

When you sum it all up, it really comes down to electron flow vs conventional flow and which method whoever happened to design the machine chose to use. Never looked at card cost too much though. I...
Forum: LIVE PLC Questions And Answers April 29th, 2018, 07:16 AM
Replies: 32
Views: 1,681
Posted By sparkie
I have not seen this question on here, but if in...

I have not seen this question on here, but if in America, it is pretty typical to go with Sinking Inputs and Sourcing outputs. This is primarily because, for electricians, it is more intuitive to...
Forum: LIVE PLC Questions And Answers April 27th, 2018, 08:02 AM
Replies: 22
Views: 986
Posted By sparkie
The adaptive signs are tough stuff. We used them...

The adaptive signs are tough stuff. We used them in a spraydown meat production facility, and I finally took the last original one down (from around 99) a couple years ago. They sell an protocol...
Forum: LIVE PLC Questions And Answers March 29th, 2018, 04:14 AM
Replies: 9
Views: 736
Posted By sparkie
I can vouch for safeline metal detectors. ...

I can vouch for safeline metal detectors.

You may also try Ceia, or ciea, not sure how it is spelled, but they make GREAT products.
Forum: LIVE PLC Questions And Answers February 24th, 2018, 05:08 PM
Replies: 29
Views: 2,547
Posted By sparkie
Allen Bradley has always had fantastic support...

Allen Bradley has always had fantastic support for me, and perhaps I've gotten lucky, but the support staff I've spoken with have been quite friendly and knowledgeable.

With this next job though,...
Forum: LIVE PLC Questions And Answers February 13th, 2018, 05:31 AM
Replies: 13
Views: 666
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, 05:51 AM
Replies: 12
Views: 682
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, 06:09 PM
Replies: 13
Views: 666
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, 04:46 PM
Replies: 13
Views: 666
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, 11:38 AM
Replies: 7
Views: 589
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, 11:33 AM
Replies: 11
Views: 598
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, 03:54 PM
Replies: 10
Views: 545
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, 07:30 PM
Replies: 4
Views: 431
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, 10:11 PM
Replies: 21
Views: 1,397
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, 04:35 PM
Replies: 5
Views: 481
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, 11:57 AM
Replies: 1
Views: 198
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, 09:52 AM
Replies: 1
Views: 198
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, 04:28 PM
Replies: 5
Views: 513
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, 04:24 PM
Replies: 14
Views: 903
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, 12:48 AM
Replies: 14
Views: 903
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...
Showing results 1 to 25 of 500

 
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