Alarm_A

 Function Block - Alarm with automatic reset.

• Combine this block with the lim_alrm block for managing analog alarms.

Sequence

Inputs

Input	Data Type See Data Types.	Range	Unit	Default	Description
ACK	BOOL				Acknowledge command.
IN	BOOL				Process signal.

Outputs

Output	Data Type See Data Types.	Range	Unit	Description
Q	BOOL			TRUE if alarm is active.
QACK	BOOL			TRUE if alarm is acknowledged.

FBD Language Example

FFLD Language Example

IL Language Example

Not available.

ST Language Example

(* MyALARM is declared as an instance of ALARM_A function block *)
MyALARM (IN, ACK, RST);
Q := MyALARM.Q;
QACK := MyALARM.QACK;

See Also

Alarm_M