6.8.2 Alarm Tags
6.8.2.1 Overview
The following VariableType is used to report alarms in the PackML unit. In addition, the data is also available as a structured datatype, which is much like an event.
6.8.2.2 PackMLAlarmDataType
The PackMLAlarmDataType provides the PackML tag alarm structure. It is formally defined in Table 62.
| Name | Type | Description |
| PackMLAlarmDataType | Structure | |
ID | Int32 | A unique number assigned to each type of alarm, stop or warning. |
Value | Int32 | An alarm, stop or warning message number associated to the ID to allow for user specific detail or to break down the Alarm.ID to greater detail |
Message | String | The actual text of the alarm, stop or warning for those machines capable of providing string information |
Category | Int32 | A user defined value which indicates what type of alarm, stop or warning has occurred. E.g. electrical, mechanical, process limit, … |
DateTime | UtcTime | The date and time that the alarm, stop or warning occurred |
AckDateTime | UtcTime | The date and time that the alarm, stop or warning was Acknowledged, |
Trigger | Boolean | This variable is true when the alarm is active |