/// <summary>
/// 读一个变量
/// </summary>
/// <param name="tag"></param>
/// <returns></returns>
public TagItem Read(TagItem tag)
{
DataValue value = uAClient.ReadValue(tag.GetNodeId());
tag.Value = value.Value;
tag.Quality = value.StatusCode.ToString();
tag.Timestamp = value.SourceTimestamp;
return(tag);
}
/// <summary>
/// 写变量
/// </summary>
/// <param name="tag"></param>
/// <returns></returns>
public bool Write(TagItem tag)
{
uAClient.WriteValues(new List <string>()
{
tag.ValueToWrite?.ToString()
}, new List <string>()
{
tag.GetNodeId()
});
return(true);
}
/// <summary>
/// 添加订阅
/// </summary>
/// <param name="tag"></param>
/// <returns></returns>
public bool AddSubscription(TagItem tag)
{
MonitoredItem item = uAClient.AddMonitoredItem(_Subscription, tag.GetNodeId(), tag.Name, tag.SampleRate);
_SubscriptionTags.Add(tag.ServerId, tag);
_MonitorItem.Add(tag.ServerId, item);
if (item.Created)
{
return(true);
}
else
{
return(false);
}
}