Alarm_M

 Function Block A function block groups an algorithm and a set of private data. It has inputs and outputs. - Alarm with manual reset.

Inputs

Input	Data Type	Range	Unit	Default	Description
IN	BOOL				Process signal.
ACK	BOOL				Acknowledge command.
RST	BOOL				Reset command.

Outputs

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

Remarks

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

Sequence

FBD Language Example

FFLD Language Example

IL Language Example

(*MyALARM is declared as an instance of ALARM_M function block*)
Op1: CAL
MyALARM (IN, ACK, RST)
FFLD "Free Form Ladder Diagram"  MyALARM.Q
ST "Structured text"
A high-level language that is block structured and syntactically resembles Pascal  Q
FFLD  MyALARM.QACK
ST 
QACK

ST Language Example

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

See Also

Alarm_A