Alarm_A

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Function Block A function block groups an algorithm and a set of private data. It has inputs and outputs. - Alarm with automatic reset New start of the microprocessor..

Inputs

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

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_A function A function calculates a result according to the current value of its inputs. 
A function has no internal data and is not linked to declared instances. block *)
Op1: CAL
MyALARM (IN, ACK)
FFLD  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_A function block *)
MyALARM (IN, ACK, RST);
Q := MyALARM.Q;
QACK := MyALARM.QACK;