Equipment Failure Evaluation
Function Block Name
Lib.Mervis.v1_0.BoilerFailure
Description
Auxiliary block used to evaluate equipment failures.
Required Project References
- Lib.Mervis
Block Usage Restrictions
Obsolete - nahrazen blokem BoilerFailure v1.1
Usage in ST
program test
var
boilerfailure: lib.mervis.v1_1.BoilerFailure;
end_var
boilerfailure();
end_program
Input and Output Description
| Inputs | Name | Data type | Retain | Must be connected | Description |
| Demand | bool | No | Yes | Operating demand | |
| Running | bool | No | Yes | Running feedback | |
| Failure | bool | No | Yes | Failure signal input | |
| Reset | bool | No | Yes | Failure reset | |
| Delay | time | No | No | Waiting interval for active running feedback | |
| CountLimit | uint | No | No | Number of consecutive failures required to trigger a persistent alarm | |
| Timeout | time | No | No | Delay before restarting |
| Outputs | Name | Data type | Description |
| FailureOutput | bool | Alarm output |