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Alarm Control - multiple messages?

Created by: ranr_mids at: 2/7/2006 5:10 PM (7 Replies)

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2/7/2006 5:10 PM	Rate (0)
ranr_mids Bronze Member Joined: 12/5/2005 Last visit: 8/9/2021 Posts: 289 Rating: (19)	Greetings. I have figured out how to trigger messages from events (discussed in another thread) but now I have a different problem. Is it possible to configure certain messages to suppress the normal "Message In / Message Out / Message Acknowledged" trio in the Alarm Archive List? Whenever I trigger an 'Event' message, the system acknowledges the 'previous' Event, logs the message coming in, and logs the message going out again. I only really need one message, preferrably the 'In' or the 'Out'.

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2/8/2006 9:11 AM	Rate (0)
Nemo Posts: 3149 Rating: (171)	Hi ranr_mids, have a try with ODK, there you can adjust Alarmlogging features to your needs... regards, nemo
Nemo Posts: 3149 Rating: (171)
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2/8/2006 9:48 AM	Rate (0)
Salma Gold Member Joined: 9/27/2005 Last visit: 11/27/2007 Posts: 1398 Rating: (151)	You can disable the acknowledge status in the alarm class properties. From what I understand of the alarm system, an alarm must always be seen to return to normal before it can be triggered again. However you can easily filter your alarm display using the Selection button to only display alarms of one state - came in or went out. If this doesn't suit your needs then maybe there is something in the ODK as Nemo suggests. Regards, Salma

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2/8/2006 10:44 AM	Rate (1)
ranr_mids Bronze Member Joined: 12/5/2005 Last visit: 8/9/2021 Posts: 289 Rating: (19)	OK, I assigned 'Events' a class of their own, turned off the 'Acknowledgement' checkboxes, and ticked 'Messages Without Status "Went Out" '. Events now don't appear in the main Alarm window (which I can accept), don't generate 'Acknowledged' entries in the Archive lists (which is cool) and don't generate 'Went Out' messages either! I call that an OK-WIN-WIN scenario [:D] Thanks Salma

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2/8/2006 10:54 AM	Rate (1)
Salma Gold Member Joined: 9/27/2005 Last visit: 11/27/2007 Posts: 1398 Rating: (151)	That's excellent news. I'd forgotten all about the"Messages without status Went Out" flag [:blush:]

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2/14/2006 9:52 AM	Rate (0)
ranr_mids Bronze Member Joined: 12/5/2005 Last visit: 8/9/2021 Posts: 289 Rating: (19)	Greetings. I have discovered a 'snag' in my solution to my message problems. Currently, the script I use 'delays' the triggering of the Event Message to allow the data tags included in it to finish writing. This works OK for the most part. My problem is, one or two screens have the possibility to generate hundreds (if not thousands) of messages at the push of a button. (This is a requirement of the Customer, not a coding problem). My 'delay' solution could mean that the script on those pages could take several minutes to run through. Can scripts or functions run in the background, or is there a way to force a WinCC scriptto write a value to a tag and confirm the write before moving on?

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2/14/2006 11:12 AM	Rate (0)
Nemo Posts: 3149 Rating: (171)	Hi Ranr_mids, scripts cannot run in Background. Use global actions very carefully, because they easily slow down your system to stillstand. Perhaps this FAQ is giving you a little help: http://support.automation.siemens.com/WW/view/en/18943009 Nemo
Nemo Posts: 3149 Rating: (171)
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2/16/2006 4:49 PM	Rate (0)
ranr_mids Bronze Member Joined: 12/5/2005 Last visit: 8/9/2021 Posts: 289 Rating: (19)	Thanks to Salma and the team at Siemens Technical support, I have solved my message problems. [:D] A small ray of sunshine into my otherwise grey world.

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