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AB Logix Driver Updates for 1 Scan
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Topic: AB Logix Driver Updates for 1 Scan (Read 2350 times)
StephenSDH
Newbie
Posts: 36
AB Logix Driver Updates for 1 Scan
«
on:
June 23, 2015, 08:10:59 PM »
There is an issue with the AB Logix driver on the latest version v398. I can't pin it down, but it has to do with the number of tags or objects on a driver. Instead of the driver running slow it just updates for the first scan and stops. I don't get any exceptions. I can delete 1 object and it will work. I duplicate a working object with a valid address it breaks. It does it both with discrete and analog tags. It does work if I split the tags up on 2 drivers pointing at the same PLC. I have a test PLC set up if you want to connect in. I did test on 2 different compactlogix controllers and they both behave the same.
My Project:
https://www.dropbox.com/sh/bvmeu88kdzdr1uf/AACtFl8sCv_fANkYSh-tjl4Ta?dl=0
Steve
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Archie
Administrator
Hero Member
Posts: 5322
Re: AB Logix Driver Updates for 1 Scan
«
Reply #1 on:
June 23, 2015, 08:30:53 PM »
Can you send me a RSLogix file with the tags. You can delete all of the logic. I just need the tags that I can load in my test PLC so I can run the app.
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StephenSDH
Newbie
Posts: 36
Re: AB Logix Driver Updates for 1 Scan
«
Reply #2 on:
June 23, 2015, 08:44:06 PM »
I dropped it in the same folder.
https://www.dropbox.com/sh/bvmeu88kdzdr1uf/AACtFl8sCv_fANkYSh-tjl4Ta?dl=0
Thanks, Steve
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Archie
Administrator
Hero Member
Posts: 5322
Re: AB Logix Driver Updates for 1 Scan
«
Reply #3 on:
June 23, 2015, 09:24:01 PM »
- Edit EthernetIPforCLXCom.vb
- Go to Line 1096 and change the 6 to a 7
(TotalNameLength + (g(i).TagName.Length + 7)) < (m_CIPConnectionSize - 100) AndAlso _
- Go to line 1105 and change that 6 to 7
TotalNameLength += (g(i).TagName.Length + 7)
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StephenSDH
Newbie
Posts: 36
Re: AB Logix Driver Updates for 1 Scan
«
Reply #4 on:
June 23, 2015, 09:42:29 PM »
That worked. Thanks
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AB Logix Driver Updates for 1 Scan