# Hysteresis

## `Hysteresis` (FB)

FUNCTION\_BLOCK Hysteresis

InOut:

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