# Hysterese

## `Hysteresis` (FB)

FUNCTION\_BLOCK Hysteresis

### Representation

<figure><img src="https://2592874069-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FQR4vCFzt6ixgsqlR3pdR%2Fuploads%2FFxEcIzhxTNIZK7xhyljE%2FHysterese.png?alt=media&#x26;token=e799ee38-76ee-476e-bad6-58c0565ecbfb" alt=""><figcaption></figcaption></figure>

InOut:

| Scope       | Name          | Type   | Initial |
| ----------- | ------------- | ------ | ------- |
| Input       | `rValue`      | `REAL` |         |
| Input Const | `rHysteresis` | `REAL` | 1       |
| Output      | `rOut`        | `REAL` |         |