Table of Contents
Start Detector
Full Name
Lib.Mervis.v1_0.StartDetector
Required Project References
- Lib.Mervis
Description
A helper block used to detect the start of a program.
Usage in ST
program test
var
startdetector: lib.mervis.v1_0.StartDetector;
end_var
startdetector();
end_program
Inputs
| Name | Data Type | Retain | Mandatory Connection | Meaning |
| PulseLength | time | No | No | Duration of the generated pulse |
Outputs
| Name | Data Type | Meaning |
| FirstCycle | bool | Indicates that the first cycle is being executed |
Detailed Function Description
The block is used to simplify repeated tasks with the detection of the first cycle in FBD. The FirstCycle output is active for the duration of PulseLength from the first FBD cycle.