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SIMATIC WinCC flexible

LED tag for OP77A on WinCC Flexible

Thread Starter: lambertws   Started: 4/27/2011 6:54 AM   Replies: 7

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  4/27/2011, 6:54 AM
lambertws
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I am using WinCC Flexible 2008 SP2 and trying to activate function key LEDs on OP77A.

I have assigned the LED tag with memory Word type Tag and the bit in template screen already and I activated the memory. However, the LEDs do not work. I also tried to delete the temporary files, create a fresh new screen and re-compile the project several times. And there is no change. Anybody can help me?
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  4/27/2011, 9:06 AM
Sandman
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Hello,

wich acquisation mode have your LED-tag? Note that the LED can`t be simulated in flexible, they just work at the real panel.

best regards
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  4/27/2011, 11:43 AM
lambertws
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Hello Sandman,

I have tried using "cycle on use" and "cycle continuous" mode. Which acquisition mode actually should I use?
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  6/6/2012, 2:27 PM
BIRUB
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I too have the same problem with OP77 A after migration from OP7.The LEDs are not working.Anybody can help?
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  6/6/2012, 2:55 PM
Tweety
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Hello BIRUB,

You can find more information about migration OP7 ---> OP77 in the following manual.
You can see the areapointer LED mapping in chapter 5.3.2.

SIMATIC HMI WinCC flexible 2008 WinCC flexible 2008 Migration

Tweety
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  6/6/2012, 3:09 PM
BIRUB
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Dear Tweety,
thanks for your reply.I have checked the manual.It seems everything is ok.I went online with PLC to see whats happening  with the bits assigned for these LEDs.The bits are becoming ON and OFF according to the key operation but LEDs are not working.Any clue?Just
Thanks and regards
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  6/6/2012, 3:09 PM
BIRUB
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Dear Tweety,
thanks for your reply.I have checked the manual.It seems everything is ok.I went online with PLC to see whats happening  with the bits assigned for these LEDs.The bits are becoming ON and OFF according to the key operation but LEDs are not working.Any clue?
Thanks and regards




=== Edited by BIRUB @ 6/7/2012 8:58 AM [GMT ] ===
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  6/6/2012, 3:09 PM
BIRUB
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Dear Tweety,
thanks for your reply.I have checked the manual.It seems everything is ok.I went online with PLC to see whats happening  with the bits assigned for these LEDs.The bits are becoming ON and OFF according to the key operation but LEDs are not working.Any clue?Just  forgot something.The bit assigned for interface become on and off in OP7(online with PLC) not in OP77.This is used to generate a communication alarm in the PLC program.So its giving a communication alarm in op 77.But OP77 is communicating with PLC without any problem.
Thanks and regards.




=== Edited by BIRUB @ 6/6/2012 3:13 PM [GMT ] ===
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