ALARM_A
Function Block - Alarm with automatic reset.
Inputs
|
Input |
Data type |
Description |
|
IN |
BOOL |
Process signal. |
|
ACK |
BOOL |
Acknowledge command. |
Outputs
|
Output |
Data type |
Description |
|
Q |
BOOL |
TRUE if alarm is active. |
|
QACK |
BOOL |
TRUE if alarm is acknowledged. |
Sequence
Remarks
Combine this block with the LIM_ALRM block for managing analog alarms.
ST Language
MyALARM is declared as an instance of ALARM_A function block.
MyALARM (IN, ACK, RST);
Q := MyALARM.Q;
QACK := MyALARM.QACK;
FBD Language
LD Language
ALARM_A |
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IEC 61131-3 Automation platform > Programming - Reference guide > Advanced operations > ALARM_A |
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