Function Block - Alarm with automatic reset.
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 block *)
Op1: CAL MyALARM (IN, ACK)
FFLD MyALARM.Q
ST 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;
See Also
