/// <summary>
/// 获取标签
/// </summary>
/// <param name="Name">标签名称</param>
/// <returns></returns>
public static bool GetTag(string TagName, out Tag <short> TagObject, string PlcName = "")
{
TagObject = null;
if (string.IsNullOrEmpty(PlcName))
{
foreach (var item in PLCGroups)
{
TagGroup <short> tagGroup = item.PlcDevice.TagGroups.FirstOrDefault(x => x.DataType == TagDataType.Short) as TagGroup <short>;
if (GetTag <short>(tagGroup, TagName, out TagObject))
{
return(true);
}
}
}
else
{
var plc = PLCGroups.FirstOrDefault(x => x.PlcDevice.Name == PlcName);
if (plc != null)
{
TagGroup <short> tagGroup = plc.PlcDevice.TagGroups.FirstOrDefault(x => x.DataType == TagDataType.Short) as TagGroup <short>;
return(GetTag <short>(tagGroup, TagName, out TagObject));
}
}
return(false);
}
/// <summary>
/// 获取标签
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="tagGroup"></param>
/// <param name="TagName"></param>
/// <param name="TagObject"></param>
/// <returns></returns>
private static bool GetTag <T>(TagGroup <T> tagGroup, string TagName, out Tag <T> TagObject)
{
TagObject = null;
if (tagGroup != null)
{
if (tagGroup.Tags.Any(x => x.TagName == TagName))
{
TagObject = tagGroup.Tags.FirstOrDefault(x => x.TagName == TagName);
return(true);
}
}
return(false);
}
/// <summary>
/// 标签队列初始化
/// </summary>
public void TagListInitial()
{
foreach (ITagGroup tagGroup in PlcDevice.TagGroups)
{
switch (tagGroup.DataType)
{
case TagDataType.Bool:
TagGroup <bool> boolGroup = tagGroup as TagGroup <bool>;
foreach (var item in boolGroup.Tags)
{
item.WriteValueEvent += plcDriverHelper.WriteValue;
}
break;
case TagDataType.Short:
TagGroup <short> shortGroup = tagGroup as TagGroup <short>;
foreach (var item in shortGroup.Tags)
{
item.WriteValueEvent += plcDriverHelper.WriteValue;
}
break;
case TagDataType.Int:
TagGroup <int> intGroup = tagGroup as TagGroup <int>;
foreach (var item in intGroup.Tags)
{
item.WriteValueEvent += plcDriverHelper.WriteValue;
}
break;
case TagDataType.Float:
TagGroup <float> floatGroup = tagGroup as TagGroup <float>;
foreach (var item in floatGroup.Tags)
{
item.WriteValueEvent += plcDriverHelper.WriteValue;
}
break;
case TagDataType.String: //暂时不支持
TagGroup <string> stringGroup = tagGroup as TagGroup <string>;
foreach (var item in stringGroup.Tags)
{
item.WriteValueEvent += plcDriverHelper.WriteValue;
}
break;
}
}
}
/// <summary>
/// 周期任务
/// </summary>
private void CycReadTagTask()
{
int count = 0;
Thread.Sleep(3000); //延时等待其他任务加载，然后再启动刷新
plcDriverHelper.ConnectToPlc(); //连接放在线程里面，开始连接
while (true)
{
Console.WriteLine($"周期任务：{PlcDevice.Name}-{PlcDevice.Ip}");
plcDriverHelper.CheckConnect();
if (PlcDevice.IsConnected)
{
foreach (ITagGroup tagGroup in PlcDevice.TagGroups)
{
switch (tagGroup.DataType)
{
case TagDataType.Bool:
TagGroup <bool> boolGroup = tagGroup as TagGroup <bool>;
foreach (BatchReadSection section in boolGroup.SectionList)
{
bool[] values;
if (plcDriverHelper.BatchReadValue(section.StartAddr, section.ReadLength, out values))
{
for (int i = 0; i < section.TagValuePosList.Count; i++)
{
TagIndexAndPos indexPost = section.TagValuePosList[i];
boolGroup.Tags[indexPost.Index].TagValue = values[indexPost.Pos];
}
}
}
break;
case TagDataType.Short:
TagGroup <short> shortGroup = tagGroup as TagGroup <short>;
foreach (BatchReadSection section in shortGroup.SectionList)
{
short[] values;
if (plcDriverHelper.BatchReadValue(section.StartAddr, section.ReadLength, out values))
{
for (int i = 0; i < section.TagValuePosList.Count; i++)
{
TagIndexAndPos indexPost = section.TagValuePosList[i];
shortGroup.Tags[indexPost.Index].TagValue = values[indexPost.Pos];
}
}
}
break;
case TagDataType.Int:
TagGroup <int> intGroup = tagGroup as TagGroup <int>;
foreach (BatchReadSection section in intGroup.SectionList)
{
int[] values;
if (plcDriverHelper.BatchReadValue(section.StartAddr, section.ReadLength, out values))
{
for (int i = 0; i < section.TagValuePosList.Count; i++)
{
TagIndexAndPos indexPost = section.TagValuePosList[i];
intGroup.Tags[indexPost.Index].TagValue = values[indexPost.Pos];
}
}
}
break;
case TagDataType.Float:
TagGroup <float> floatGroup = tagGroup as TagGroup <float>;
foreach (BatchReadSection section in floatGroup.SectionList)
{
float[] values;
if (plcDriverHelper.BatchReadValue(section.StartAddr, section.ReadLength, out values))
{
for (int i = 0; i < section.TagValuePosList.Count; i++)
{
TagIndexAndPos indexPost = section.TagValuePosList[i];
floatGroup.Tags[indexPost.Index].TagValue = values[indexPost.Pos];
}
}
}
break;
case TagDataType.String:
TagGroup <string> stringGroup = tagGroup as TagGroup <string>;
foreach (BatchReadSection section in stringGroup.SectionList)
{
string[] values;
if (plcDriverHelper.BatchReadValue(section.StartAddr, section.ReadLength, out values))
{
for (int i = 0; i < section.TagValuePosList.Count; i++)
{
TagIndexAndPos indexPost = section.TagValuePosList[i];
stringGroup.Tags[indexPost.Index].TagValue = values[indexPost.Pos];
}
}
}
break;
}
}
if (!string.IsNullOrEmpty(PlcDevice.HeartBit))//写入心跳位
{
plcDriverHelper.WriteValue(PlcDevice.HeartBit, true);
}
}
else
{
if (NetworkHelper.IsNetWorkConnect(PlcDevice.Ip))//plc可以ping通
{
Thread.Sleep(1000);
++count;
if (count >= 10)
{
count = 0;
_log.WriteLog($"{PlcDevice.Name} {PlcDevice.Ip}重新连接并初始化！");
plcDriverHelper.ConnectToPlc();
}
}
else
{
_log.WriteLog($"{PlcDevice.Name} {PlcDevice.Ip}连接断开，等待再次连接！");
Thread.Sleep(5000);//延时等待PLC再次连接
}
}
Thread.Sleep(PlcDevice.CycleTime);
}
}