The alarm types in the system are represented by the icons shown below.
Alarm icon
Alarm type
Communication alarm
No reading was received within the period defined by the communication alarm filter. The communication filter is set for every MP and is given in minutes. It can be checked in object's Properties tab
Value outside warning limits
Measurements are outside the warning limit and its Alarm filter conditions were met.
Value outside alarm limits
Measurements are outside the alarm limit and its Alarm filter conditions were met.