48 Rockwell Automation Publication 1756-RM003N-EN-P - October 2011
Chapter 1 FactoryTalk Alarms and Events Logix-based Instructions (ALMD, ALMA)
DeliveryEN BOOL Delivery status of the alarm notification message. Set when delivery is in progress. Cleared when
delivery is not in progress.
NoSubscriber BOOL Alarm had no subscribers when attempting to deliver the most recent message. Set when there are no
subscribers. Cleared when there is at least one subscriber.
NoConnection BOOL Alarm’s subscribers were not connected when attempting to deliver the most recent message. Set
when all subscribers are disconnected. Cleared when at least one subscriber is connected or there are
no subscribers.
CommError BOOL Communication error when delivering an alarm message. Set when there are communication errors and
all retries are used. This means that a subscriber was subscribed and it had a connection, but the
controller did not receive confirmation of message delivery. Cleared when all connected subscribers
confirm receipt of the alarm message.
AlarmBuffered BOOL Alarm message buffered due to a communication error (CommError is set) or a lost connection
(NoConnection is set). Set when the alarm message is buffered for at least one subscriber. Cleared
when the alarm message is not buffered.
Subscribers DINT Number of subscribers for this alarm.
SubscNotified DINT Number of subscribers successfully notified about the most recent alarm state change.
Status DINT Combined status indicators:
Status.0 = InstructFault.
Status.1= InFaulted.
Status.2 = SeverityInv.
InstructFault (Status.0) BOOL Instruction error conditions exist. This is not a minor or major controller error. Check the remaining
status bits to determine what occurred.
InFaulted (Status.1) BOOL User program has set InFault to indicate bad quality input data. Alarm continues to evaluate In for alarm
condition.
SeverityInv (Status.2) BOOL Alarm severity configuration is invalid.
If severity <1, the instruction uses Severity = 1.
If severity >1000, the instruction uses Severity = 1000.
Output Parameter Data Type Description
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