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HW Interrupt !

Created by: Tomy Master at: 7/21/2011 11:06 AM (9 Replies)

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7/21/2011 11:06 AM	Rate (0)
Tomy Master Platinum Member Joined: 5/4/2009 Last visit: 1/1/2026 Posts: 916 Rating: (40)	Dear friends, Would you please help how can I link a Hardware interrupt routine (OB) with the event of technological function "Count" reaching "comparison value" Warm regards. Tomy.
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7/21/2011 11:08 AM	Rate (1)
Wizard Diamond Member Joined: 4/24/2006 Last visit: 1/9/2026 Posts: 9104 Rating: (1202)	Hello Tomy Master, Are you using Compact CPU? @Edit: Go to hardware configuration, double click on Count. go to tab "Basic Parameters" and change Select interrupt to "Diagnostics+ Process" and in Tab "Count" select On reaching comparator (Hardware interrupt) And then you need OB40 Best regards, Wizard
	Last edited by: Wizard at: 7/21/2011 11:18 AM
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7/21/2011 11:16 AM	Rate (0)
Tomy Master Platinum Member Joined: 5/4/2009 Last visit: 1/1/2026 Posts: 916 Rating: (40)	Yes my dear CPU314C-2DP...
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7/21/2011 11:22 AM	Rate (1)
umencho Grandmaster Joined: 3/21/2006 Last visit: 1/10/2026 Posts: 10247 Rating: (1183)	Info - http://support.automation.siemens.com/WW/view/en/23657941

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7/21/2011 11:38 AM	Rate (0)
Tomy Master Platinum Member Joined: 5/4/2009 Last visit: 1/1/2026 Posts: 916 Rating: (40)	Dear UMENCHO, I would like to thank you for your effort and support. OK the link refers to Interrupts in general, but what I really need is to connect the event of "count" technological function in CPU314C-2DP with a specified interrupt OB. I hope you can send me a sample project. Regards. Tomy.
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7/21/2011 11:52 AM	Rate (0)
Wizard Diamond Member Joined: 4/24/2006 Last visit: 1/9/2026 Posts: 9104 Rating: (1202)	Dear Tomy, Please have a look at edit notes in my first post. Perhaps it is useful Best regards, Wizard

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7/21/2011 11:59 AM	Rate (1)
umencho Grandmaster Joined: 3/21/2006 Last visit: 1/10/2026 Posts: 10247 Rating: (1183)	So, all the settings should be done in hardware configuration as Wizard already mentioned. Look at attachment. And you can use http://support.automation.siemens.com/WW/view/en/18467424In OB40 you can specify logic after its calling what to do after...UseStep7' help concerning OB40... Best regards, Hristo Mihalev Attachment ss.jpg (223 Downloads)

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7/21/2011 12:07 PM	Rate (1)
Tomy Master Platinum Member Joined: 5/4/2009 Last visit: 1/1/2026 Posts: 916 Rating: (40)	OK friends, I got your notes, but what if I used another channel, is it automatically directed to OB41? What I really need to know is in what particular setting in the assignment screens the supposed linkage is done. Regards. Tomy.
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7/21/2011 12:13 PM	Rate (1)
Wizard Diamond Member Joined: 4/24/2006 Last visit: 1/9/2026 Posts: 9104 Rating: (1202)	Hello Tomy, It is always OB40 Your code in OB40 must detect which channel use the interrupt. Best regards, Wizard

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7/21/2011 12:21 PM	Rate (1)
umencho Grandmaster Joined: 3/21/2006 Last visit: 1/10/2026 Posts: 10247 Rating: (1183)	Above mentioned CPU is not support OB41. Check it in hardware configuration. Check following threads - /tf/WW/en/Posts/18186

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