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Search: Posts Made By: Mispeld
Forum: LIVE PLC Questions And Answers July 13th, 2021, 09:04 AM
Replies: 9
Views: 672
Posted By Mispeld
One suggestion is to remove the XIC and OTU with...

One suggestion is to remove the XIC and OTU with CaseCheck.DN from rung #6. Also when BARCODE_MATCH is latched, BARCODE_SEARCH should be unlatched. This will require a reset of the FSC before...
Forum: LIVE PLC Questions And Answers July 12th, 2021, 02:13 PM
Replies: 9
Views: 672
Posted By Mispeld
For starters, can you post a screen shot of the...

For starters, can you post a screen shot of the rung containing the FSC instruction?

One thing to make sure is that the FSC has been reset before starting a new search. A reset instruction is a...
Forum: LIVE PLC Questions And Answers July 10th, 2021, 09:53 AM
Replies: 39
Views: 6,240
Posted By Mispeld
With the risk of raising the red flag of "I went...

With the risk of raising the red flag of "I went on the Internets and did my own research," I will offer this on Tesla battery warranty because it is at least source material with a secure link:
...
Forum: LIVE PLC Questions And Answers June 20th, 2021, 11:04 AM
Replies: 8
Views: 1,047
Posted By Mispeld
See here, also: What is the difference...

See here, also:

What is the difference between a AOI and a UDT in RS Logix 5000 ? (https://www.plctalk.net/qanda/showthread.php?t=113741)
Forum: LIVE PLC Questions And Answers June 2nd, 2021, 09:12 AM
Replies: 32
Views: 4,542
Posted By Mispeld
This might be worth trying, which can sometimes...

This might be worth trying, which can sometimes clean up launch issues, especially when no known actions caused the problem.:


Default Studio 5000 as follows

>> Go to C:/Program Files...
Forum: LIVE PLC Questions And Answers May 25th, 2021, 01:05 PM
Replies: 5
Views: 880
Posted By Mispeld
Back to the original question...an alternative to...

Back to the original question...an alternative to comparing actual position to command position is to use the PositionLockStatus bit to indicate the axis is within the lock tolerance of the command...
Forum: LIVE PLC Questions And Answers May 17th, 2021, 01:15 PM
Replies: 6
Views: 1,067
Posted By Mispeld
While the linked thread references the PowerFlex...

While the linked thread references the PowerFlex 70 drive, it is worth reading for some information and opinions on brake resistor setup.

PowerFlex 70 Braking with External Resistor...
Forum: LIVE PLC Questions And Answers May 2nd, 2021, 11:46 AM
Replies: 10
Views: 1,976
Posted By Mispeld
Thank you for helping to break through the...

Thank you for helping to break through the mindset going into the project that all the ancillary machines will be CompactLogix. That direction made sense until the communications requirement-creep...
Forum: LIVE PLC Questions And Answers May 1st, 2021, 09:52 PM
Replies: 10
Views: 1,976
Posted By Mispeld
This is a new machine, but I can say two of the...

This is a new machine, but I can say two of the networks will be on the lower traffic side, mainly consisting of data-oriented messaging and supervisory control (as opposed to I/O and motion on the...
Forum: LIVE PLC Questions And Answers May 1st, 2021, 09:40 PM
Replies: 10
Views: 1,976
Posted By Mispeld
Not having used the 5380, and none available for...

Not having used the 5380, and none available for testing, I am nervous about whether these ports behave like independent ENxT modules in the Control Logix platform. It seems like they should, in...
Forum: LIVE PLC Questions And Answers May 1st, 2021, 09:31 PM
Replies: 10
Views: 2,108
Posted By Mispeld
That is crazy. Yet there it is in...

That is crazy. Yet there it is in black-and-white, and makes no sense. Must have been some kind of error in the Logix platform implementation because the PLC-5 PID.CV target is always an integer.
...
Forum: LIVE PLC Questions And Answers May 1st, 2021, 08:42 PM
Replies: 10
Views: 2,108
Posted By Mispeld
What's described above should work as long as one...

What's described above should work as long as one of the following is true:
1. There is a non-zero integral gain, or
2. The Bias Back-calculate bit is set.

This assumes the SP/PV error is not...
Forum: LIVE PLC Questions And Answers April 30th, 2021, 04:46 PM
Replies: 10
Views: 1,976
Posted By Mispeld
Thanks for the feedback. Sounds like it's time...

Thanks for the feedback. Sounds like it's time to get the "Network Team" involved. Ugh.
Forum: LIVE PLC Questions And Answers April 30th, 2021, 02:30 PM
Replies: 10
Views: 1,976
Posted By Mispeld
Compact Logix on Multiple Networks

I am reviewing a proposal where a Compact Logix processor needs to be on three (3) separate Ethernet networks. For the sake of argument, say that these networks will will be these IP address ranges:...
Forum: LIVE PLC Questions And Answers April 29th, 2021, 04:50 PM
Replies: 22
Views: 3,941
Posted By Mispeld
Consider reviewing this link, which is a bit of a...

Consider reviewing this link, which is a bit of a good thing, if you continue using XLM. Apparently Microsoft is committed to supporting XLM for the time being.

XLM + AMSI: New runtime defense...
Forum: LIVE PLC Questions And Answers April 17th, 2021, 10:33 AM
Replies: 10
Views: 1,485
Posted By Mispeld
If this is a Logix 5000 platform, one approach...

If this is a Logix 5000 platform, one approach will be to use a string whose contents is ABABCDCD... The shift counter will index into the DATA array within the STRING type to pull the character...
Forum: LIVE PLC Questions And Answers April 15th, 2021, 11:50 AM
Replies: 18
Views: 2,212
Posted By Mispeld
What happens when MBTU_MB_3xx[2] equals zero (or...

What happens when MBTU_MB_3xx[2] equals zero (or one, for that matter)?

And, technically, the result is off by 2 bits when the INT is negative.
Forum: LIVE PLC Questions And Answers April 14th, 2021, 06:32 PM
Replies: 10
Views: 1,438
Posted By Mispeld
I realize the customer wants to automate...

I realize the customer wants to automate temperature control, but the description sounds more like a measurement problem in that product quality is the feedback on whether the belt temperature is in...
Forum: LIVE PLC Questions And Answers April 14th, 2021, 11:18 AM
Replies: 18
Views: 2,212
Posted By Mispeld
In order to make it unsigned, you will need to...

In order to make it unsigned, you will need to test the INT value. If GEQ zero, move to a DINT. If LES zero, add 65536 to the INT value into the destination DINT. Then divide the (unsigned) DINT...
Forum: LIVE PLC Questions And Answers April 9th, 2021, 08:07 AM
Replies: 2
Views: 626
Posted By Mispeld
+1 on the thank you

+1 on the thank you
Forum: LIVE PLC Questions And Answers April 7th, 2021, 09:47 AM
Replies: 17
Views: 2,174
Posted By Mispeld
While the issue described in the linked technote...

While the issue described in the linked technote is for a different issue, the ctrl-shift launch sometimes fixes Logix software startup problems.

Studio 5000 v28: Unable to select bit-level tag...
Forum: LIVE PLC Questions And Answers April 5th, 2021, 03:32 PM
Replies: 1
Views: 566
Posted By Mispeld
Guardlogix 5380 Firmware V31 & V32 Issue

This seems worthy of cross-posting here since many people may be potentially affected by this anomaly.

Product Notice 2021-02-003 - GuardLogix 5580 Controller with V31 through V32 Firmware May...
Forum: LIVE PLC Questions And Answers March 16th, 2021, 11:14 PM
Replies: 10
Views: 1,051
Posted By Mispeld
When the loop is in software manual (.SWM set),...

When the loop is in software manual (.SWM set), the set output (.SO) input is used to "pass-through" the desired manual value to the CV. In addition to clearing the loop after the test, there is a...
Forum: LIVE PLC Questions And Answers March 15th, 2021, 08:51 AM
Replies: 14
Views: 1,678
Posted By Mispeld
There appears confusion between the AOI's data...

There appears confusion between the AOI's data type and what the AOI expects as parameters. For example, BCM_3 is declared as the AOI's data, but then is being passed into it the first argument. ...
Forum: LIVE PLC Questions And Answers February 27th, 2021, 01:46 PM
Replies: 141
Views: 16,841
Posted By Mispeld
Some of your (non-mutually-exclusive) options...

Some of your (non-mutually-exclusive) options moving forward:

1. Continue trial-and-error tuning with limited information available. As noted, the second set of results now showing PV and CV in...
Showing results 1 to 25 of 500

 
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