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Search: Posts Made By: AustralIan
Forum: LIVE PLC Questions And Answers November 22nd, 2020, 05:10 PM
Replies: 73
Views: 6,151
Posted By AustralIan
Hi Alfredo, Thanks for debugging it and adding...

Hi Alfredo, Thanks for debugging it and adding some features :D.
I could not find a cause of PLC crash in the WRITE_TAG()... but there was an error. Line 122 of WRITE_TAG should read:

IF...
Forum: LIVE PLC Questions And Answers November 21st, 2020, 02:39 PM
Replies: 73
Views: 6,151
Posted By AustralIan
Hi Alfredo, Colonel. Can you check out my...

Hi Alfredo, Colonel.
Can you check out my READ_TAG / WRITE_TAG FB's?
It needs that dummy DINT[2] in the CLX to establish a connection.

So far I think it will only work with non-structured,...
Forum: LIVE PLC Questions And Answers November 20th, 2020, 02:18 AM
Replies: 73
Views: 6,151
Posted By AustralIan
Alfredo, your suggestion to find the instance...

Alfredo, your suggestion to find the instance number, is exactly steps 1 through 5 of this document.

An alternative is this code here, which can read any tag in a single message....
Forum: LIVE PLC Questions And Answers November 18th, 2020, 12:20 PM
Replies: 73
Views: 6,151
Posted By AustralIan
Alfredo, that's fantastic news! Those green...

Alfredo, that's fantastic news! Those green arrows are always a treat. :beerchug:
I am curious to know what datatype dummy is in the Logix Processor.
Forum: LIVE PLC Questions And Answers November 18th, 2020, 02:54 AM
Replies: 73
Views: 6,151
Posted By AustralIan
See this post for getting around it with the...

See this post for getting around it with the message router.
http://www.plctalk.net/qanda/showpost.php?p=867743&postcount=10

Yeah, that library looks like it will do it for you. Let us know if...
Forum: LIVE PLC Questions And Answers November 18th, 2020, 02:15 AM
Replies: 73
Views: 6,151
Posted By AustralIan
Really just using a dummy variable for the...

Really just using a dummy variable for the produce tag. The idea is this establishes a class1 connection which pushes the state machine from "connecting" to "running". Once running, the...
Forum: LIVE PLC Questions And Answers November 17th, 2020, 07:25 AM
Replies: 73
Views: 6,151
Posted By AustralIan
Alfredo, Produced Tags are, as the CODESYS...

Alfredo, Produced Tags are, as the CODESYS scanner would see it, Target -> Scanner. In your screenshot you have 0 bytes in there and 40 in Scanner to Target.
Forum: LIVE PLC Questions And Answers November 16th, 2020, 05:24 PM
Replies: 73
Views: 6,151
Posted By AustralIan
Alfredo, make sure you have those tags in your...

Alfredo, make sure you have those tags in your Connection set up as produce tags on the CPLX.
Forum: LIVE PLC Questions And Answers November 15th, 2020, 01:29 AM
Replies: 73
Views: 6,151
Posted By AustralIan
I have done some playing with two codesys PLCs,...

I have done some playing with two codesys PLCs, and you have it right: with no connections listed on the Remote Adapter's Connections tab, it does not go to Running. Adding a valid connection gets it...
Forum: LIVE PLC Questions And Answers November 13th, 2020, 04:14 AM
Replies: 73
Views: 6,151
Posted By AustralIan
> I have a RPi with a license but it is at my...

> I have a RPi with a license but it is at my office
> My RPi with the license is on the boat
You can use the soft PLC (Codesys Control Win V3 [x64]) that can be installed with the codesys IDE....
Forum: LIVE PLC Questions And Answers November 12th, 2020, 03:12 PM
Replies: 73
Views: 6,151
Posted By AustralIan
I think you would need to implement chapter 2 of...

I think you would need to implement chapter 2 of 1756-pm020 (https://literature.rockwellautomation.com/idc/groups/literature/documents/pm/1756-pm020_-en-p.pdf) .
You could use the...
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