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SIMATIC WinCC

3-position switch

Thread Starter: P.C.   Started: 1/9/2009 10:37 AM   Replies: 3

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  1/9/2009, 10:37 AM
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Hi guys,

I am working on a project and I need to make few 3-position switches. However, it seems to me WinCC only offers up to 2-position toggle switches. Does anyone know where to find 3-position switches in WinCC or how to make a new one? Any replies will be appreciated. Thank you.

Sincerely,


Paul Chen

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  1/9/2009, 11:52 AM
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Hi,

the easiest way for this, is to create an option group.

On property "Output/Input > Selected Box" you put an unsigned 8 Bit Tag. Then this tag will be your trigger.

for example:

Option 1 set the TriggerTag-bit 0 and reset the other > TriggerTag = 0 0 0 0 0 0 0 1
Option 2 set the TriggerTag-bit 1 and reset the other > TriggerTag = 0 0 0 0 0 0 1 0
Option 3 set the TriggerTag-bit 2 and reset the other > TriggerTag = 0 0 0 0 0 1 0 0

also you can programming a switch by yourself....

Viele Grüße / best regards
BadBit
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  1/9/2009, 12:02 PM
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Hi Paul Chen

Are you talking about a switchgear which has 3 positions as closed-opened-earth?

Mike Jiménez

Energy Automation products: Sicam, Siprotec, Digsi
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  1/10/2009, 6:30 AM
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Hi Mike,

Very similar to what you said. The only diff. is my options are Remote-Off-Local instead. I just attached a draft of it. Feel free to take a look. Thank you.


P.C.

Attachment: 3-position switch.jpg  (57 Downloads)

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