Configurealarm priorities
Select priorities in the Alarm priority 1–4 menus (14_11 – 14_14).
Alarm Texts and Alarm Codes for External Alarms
Alarm texts for external alarms are used in:
• RTU alarm log,
and
• Alarms sent to SMS receivers.
Alarm codes for external alarms are only used when alarms are sent to a SCADA system.
Before using this function
Configure General purpose inputs as external alarm inputs.
Considerations: Alarm texts
• Extended ASCII characters can be used. Example: öøé.
• If the first character is left blank, the standard alarm text is used. Example: "Alarm Input
1".
Function: Alarm codes
1. An alarm is sent to the SCADA system. The alarm contains an alarm code.
2. SCADA system uses the alarm text that corresponds to the alarm code.
Keep in mind: Alarm texts in the SCADA system may differ from the alarm texts in the RTU.
Configure alarm texts
1. Specify alarm texts in the Alarm text input 1–8 menus (14_15_1 –14_15_8).
2. Specify alarm code in the Alarm code input 1–8 menus (14_16_1 –14_16_8).
Keep in mind: Only relevant when alarms are sent to a SCADA system.
Alarms Sent to SCADA System
The RTU can send alarms to a SCADA system.
Function: Sending fails
Phase
Description
1 RTU sends an alarm to the SCADA system.
2 Result: Sending fails.
Example: SCADA system is busy or do not reply.
3 RTU waits one minute before the next attempt.
4 After each successive failure, the RTU waits one minute longer than before until 10 attempts have
failed.
5 The RTU waits three hours before recommencing the dialing sequence.
Alarms Sent to SMS Receivers
Alarm Acknowledgement
The RTU can send SMS with alarms to one recipient at a time or to all at once.
Function: Alarm acknowledgement time
Phase
Description
1 RTU sends an SMS with an alarm to a recipient.
2 Result: RTU receives an acknowledgement
within specified time.
Result: RTU receives no acknowledgement within
specified time.
Configure Alarm Handling
30 APP 541 User manual
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