# OpcStatusLimitBits Enum

<dl class="api-definition">
<dt>Namespace</dt>
<dd><a href="../namespaces/opc.uafx">Opc.UaFx</a></dd>
<dt>Assembly</dt>
<dd>Opc.UaFx.Advanced.dll</dd>
<dt>Package</dt>
<dd>Opc.UaFx.Advanced v2.59.0</dd>
<dt>Also in</dt>
<dd>Opc.UaFx.Client</dd>
</dl>

Defines the constraints within a value falls.

## Syntax

<div class="api-signature" data-lang="csharp">

```csharp
public enum OpcStatusLimitBits
```

</div>

<div class="api-signature" data-lang="vbnet">

```vbnet
<Flags>
Public Enum OpcStatusLimitBits
```

</div>

## Inheritance

[Object](https://learn.microsoft.com/dotnet/api/system.object) → [ValueType](https://learn.microsoft.com/dotnet/api/system.valuetype) → [Enum](https://learn.microsoft.com/dotnet/api/system.enum) → **OpcStatusLimitBits**

## Fields

| Name | Value | Description |
|---|---|---|
| <a id="constant"></a>`Constant` | `Low \| High` | The value is constant and cannot change. |
| <a id="high"></a>`High` | `512` | The value is at the higher limit for the data source. |
| <a id="low"></a>`Low` | `256` | The value is at the lower limit for the data source. |
| <a id="none"></a>`None` | `0` | The value is free to change. |

## Applies to

| Package | Versions |
|---|---|
| Opc.UaFx.Advanced | v2.5–v2.59 |