Table of Contents
Alarm Trigger for Boolean Variables (4 Inputs)
Full Name
Lib.Mervis.v1_0.bool4_to_alrtrig
Required Project References
- Lib.Mervis
Description
Auxiliary block used for generating alarms for up to four boolean variables.
Usage in ST
program test
var
inp: lib.mervis.v1_0.bool4_to_alrtrig;
end_var
inp();
end_program
Inputs
| Inputs | Name | Data Type | Retain | Required Connection | Meaning |
| Input1 Input2 Input3 Input4 | bool | No | Yes | Input value | |
| Priority1 Priority2 Priority3 Priority4 | AlarmPriorityType | No | No | Alarm priority | |
| Delay1 Delay2 Delay3 Delay4 | time | No | No | Alarm delay (if zero, no delay is applied) |
Outputs
| Outputs | Name | Data Type | Meaning |
| Alarm1 Alarm2 Alarm3 Alarm4 | AlarmTrigger | Output |
Detailed Function Description
The block generates an alarm if any Input… is active for at least the duration of Delay… with the priority defined by Priority….