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WinCC Alarm Control

5/23/2006 12:59 PM	Rate (0)
Humph99 Posts: 21 Rating: (0)	I am logging alarms in the WinCC database, but only using HMI panels to acknowledge the alarms. I am not using the WinCC system to acknowledge the alarms. I am using the WinCC Alarm Control to display the alarm status in the short term and long term archives. What is the meaning of "Ack-System" in the status column of the Alarm Control? Am I right in assuming that "+" means Active Alarm, "*" means Active Acknowledged Alarm and "-" means Alarm Deactivated? There does not seem to be a description of the alarm status symbols.
Humph99 Posts: 21 Rating: (0)
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5/23/2006 1:35 PM	Rate (0)
DimiCamp Posts: 168 Rating: (49)	Hi! Ack-System meaning, please see this FAQ: http://support.automation.siemens.com/WW/view/en/15099607/
DimiCamp Posts: 168 Rating: (49)	Last edited by: DimiCamp at: 5/23/2006 1:39 PM
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5/23/2006 1:36 PM	Rate (0)
Salma Posts: 1398 Rating: (151)	You are correct about the meaning of the status indicators. There is no explanation in the manual as these are default settings and can be changed in the Message Class properties in the Alarm Logging Editor. I usually set it to ALM, ACK, RTN personally. The "Ack-System" stateis when WinCC has had to acknowledge the alarm. Explanation: If an alarm has been configured to have an acknowledge state then WinCC needs to see an acknowledgement before it can allow the alarm to occur again. So if an alarmcomes in, goes out and then comes in again without the operator acking it, WinCC will perform the ack. It records it as ack-system so it is clear that the ack was done automatically and not by an operator. Hope this makes sense. Salma
Salma Posts: 1398 Rating: (151)
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5/23/2006 1:37 PM	Rate (0)
Ikkezelf Posts: 1084 Rating: (72)	[quote user="Humph99"]I am logging alarms in the WinCC database, but only using HMI panels to acknowledge the alarms. I am not using the WinCC system to acknowledge the alarms. I am using the WinCC Alarm Control to display the alarm status in the short term and long term archives. What is the meaning of "Ack-System" in the status column of the Alarm Control? If I'm not mistaken, the system (wincc) has automatically acknowledged these alarms. [quote user="Humph99"] Am I right in assuming that "+" means Active Alarm, "" means Active Acknowledged Alarm and "-" means Alarm Deactivated? There does not seem to be a description of the alarm status symbols. Open the alarm logging, open the properties of a message class, there you will find; Came In (+), Went out (-), Acknowledged () and Came In and Went Out(+/-). There is no definitive description, cause you can change these values to your own need.
Ikkezelf Posts: 1084 Rating: (72)
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5/23/2006 6:14 PM	Rate (0)
Humph99 Posts: 21 Rating: (0)	Many thanks to you all. It's all much clearer now!
Humph99 Posts: 21 Rating: (0)
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