Table of Contents
Alarm Extender (4 Inputs)
Full Name
Lib.Mervis.v1_0.AlarmsExtender4
Description
.
Required Project References
- Lib.Mervis
Usage in ST
program test
var
alr: lib.mervis.v1_0.AlarmsExtender4;
end_var
alr();
end_program
Description of Inputs and Outputs
| Inputs | Name | Data Type | Retain | Required Connection | Meaning |
| Alarm1 | AlarmTrigger | No | No | Alarm input 1 | |
| Alarm2 | AlarmTrigger | No | No | Alarm input 2 | |
| Alarm3 | AlarmTrigger | No | No | Alarm input 3 | |
| Alarm4 | AlarmTrigger | No | No | Alarm input 4 | |
| Status | AlarmsStatus | No | No | Extending input for additional alarms |
| Outputs | Name | Data Type | Meaning |
| Alarm1Flag | bool | Indication of uncleared alarm 1 (explanation see alarm priorities) | |
| Alarm2Flag | bool | Indication of uncleared alarm 2 | |
| Alarm3Flag | bool | Indication of uncleared alarm 3 | |
| Alarm4Flag | bool | Indication of uncleared alarm 4 | |
| StatusOut | AlarmsStatus | Output for connection to superior alarm blocks |
| Local Variables | Name | Data Type | Retain | Meaning |
| AlarmFlags | array[1..4] of AlarmPoint | Yes | States of individual alarms |