//Запись значений
private bool TryWriteValues()
{
if (!IsConnected)
{
return(false);
}
try
{
if (_items.Count > 0)
{
int m = _itemsList == null ? 0 : _itemsList.Length;//Количество корректно добавленых точек + 1
Array serverHandles = new int[m];
Array valuesArr = new object[m];
Array errorsArr = new object[m];
for (int i = 1; i < m; i++)
{
var item = _itemsList[i];
serverHandles.SetValue(item.ServerHandler, i);
valuesArr.SetValue(item.Value.LastMoment.Object, i);
}
_group.SyncWrite(m - 1, ref serverHandles, ref valuesArr, out errorsArr);
}
}
catch (Exception ex)
{
Logger.AddError("Ошибка записи значений в OPC-сервер", ex);
return(IsConnected = false);
}
return(true);
}
/// <summary>
/// 写入数据,handle,索引值数组,value对应值数组
/// 按照 OPC 规范，数组始终以索引 1 开始。
/// </summary>
public bool WriteData(int[] handle, object[] value)
{
try
{
int[] temp = new int[handle.Length + 1];
temp[0] = 0;
object[] temp1 = new object[handle.Length + 1];
temp1[0] = "";
for (int i = 1; i < temp.Length; i++)
{
temp[i] = handle[i - 1];
temp1[i] = value[i - 1];
}
Array serverHandles = (Array)temp;
Array values = (Array)temp1;
Array Errors;
//OPCAutomation.OPCDataSource.OPCCache;
s7Group.SyncWrite(handle.Length, ref serverHandles, ref values, out Errors);
return(true);
}
catch (Exception)
{
return(false);
}
}
/// <summary>
/// 写入数据,handle,索引值数组,value对应值数组
/// </summary>
public bool WriteData(int[] handle, int[] value)
{
try
{
int[] temp = new int[handle.Length + 1];
temp[0] = 0;
object[] temp1 = new object[handle.Length + 1];
temp1[0] = "";
for (int i = 1; i < temp.Length; i++)
{
temp[i] = handle[i - 1];
temp1[i] = value[i - 1];
}
Array serverHandles = (Array)temp;
Array values = (Array)temp1;
Array Errors;
//OPCAutomation.OPCDataSource.OPCCache;
//这种在断开的情况下，对应索引的Errors值非0（错误），正常情况下为0.
s7Group.SyncWrite(handle.Length, ref serverHandles, ref values, out Errors);
foreach (var item in Errors)
{
if (Convert.ToInt32(item) != 0)
{
return(false);
}
}
//这种在断开的情况下会引发异常 ,适合单值写入，正常不会报异常。
//s7Group.OPCItems.GetOPCItem(handle[0]).Write(2400);
return(true);
}
catch (Exception)
{
return(false);
}
}
public void SyncWrite(string[] writeItemNames, string[] writeItemValues)
{
OPCItem[] bItem = new OPCItem[writeItemNames.Length];
for (int i = 0; i < writeItemNames.Length; i++)
{
for (int j = 0; j < itemNames.Count; j++)
{
if (itemNames[j] == writeItemNames[i])
{
bItem[i] = opcItems.GetOPCItem(itemHandleServer[j]);
}
}
}
int[] temp = new int[writeItemNames.Length + 1];
temp[0] = 0;
for (int i = 1; i < writeItemNames.Length; i++)
{
temp[i] = bItem[i - 1].ServerHandle;
}
Array serverHandles = (Array)temp;
object[] valueTemp = new object[writeItemNames.Length + 1];
valueTemp[0] = "";
for (int i = 1; i < writeItemNames.Length + 1; i++)
{
valueTemp[i] = writeItemValues[i - 1];
}
Array values = (Array)valueTemp;
Array Errors;
opcGroup.SyncWrite(writeItemNames.Length, ref serverHandles, ref values, out Errors);
GC.Collect();
}
/// <summary>
/// 写入值
/// </summary>
/// <param name="group"></param>
public override bool SyncWrite(OPCGroup group)
{
/// 写入条码信息
int[] SyncItemServerHandles = new int[2];
object[] SyncItemValues = new object[2];
Array SyncItemServerErrors;
// 条码 index 是2
SyncItemServerHandles[1] = (int)this.ItemServerHandles.GetValue(2);
// OPCItem AnOpcItem = group.OPCItems.GetOPCItem((int)this.ItemServerHandles.GetValue(2));
SyncItemValues[1] = this.ScanGetInposiBarcode;
group.SyncWrite(1, SyncItemServerHandles, SyncItemValues, out SyncItemServerErrors);
if (SyncItemServerErrors != null && ((int)SyncItemServerErrors.GetValue(1) == 0))
{
if (this.SyncSetReadableFlag(group))
{
return(true);
}
}
else
{
this.ScanGetInposiBarcode = this.ScanGetInposiBarcodeWas;
}
return(false);
}
private void WriteValueBtn_1_Click(object sender, RoutedEventArgs e)
{
try
{
// 写入数据从index从 1开始
int[] SyncItemServerHandles = new int[2];
object[] SyncItemValues = new object[2];
Array SyncItemServerErrors;
// 写入数据从index从 1开始
SyncItemServerHandles[1] = (int)this.ItemServerHandles.GetValue(1);
SyncItemValues[1] = this.NewValueTB_1.Text;
// 1--写入数据个数
ConnectedGroup.SyncWrite(1, SyncItemServerHandles, SyncItemValues, out SyncItemServerErrors);
if (SyncItemServerErrors != null && ((int)SyncItemServerErrors.GetValue(1) == 0))
{
// 写入成功
Logger.Info("写入成功");
}
}
catch (Exception ex)
{
Logger.Error(ex.Message, ex);
}
}
public Boolean PutData(Array Values)
{
IntData.IsOPCConnected = true;
OPCServer OPCSvr = new OPCServer();
try
{
Transacting = true;
TransactionFlag = true;
IntData.IsOPCConnected = true;
opcgrp_server = new OPCServer();
opcgrp_server.Connect(ServerName);
opcgrp_group = opcgrp_server.OPCGroups.Add(GroupName);
TotalItemNumber = opcgrp_arrayPaths.Length - 1;
opcgrp_group.OPCItems.DefaultIsActive = true;
opcgrp_group.OPCItems.AddItems(TotalItemNumber, opcgrp_arrayPaths, opcgrp_arrayHandles, out opcgrp_arraySHandles, out opcgrp_arrayErrors);
opcgrp_group.SyncWrite(TotalItemNumber, ref opcgrp_arraySHandles, ref Values, out opcgrp_arrayErrors);
opcgrp_group.OPCItems.Remove(TotalItemNumber, ref opcgrp_arraySHandles, out opcgrp_arrayErrors);
opcgrp_server.Disconnect();
OPCSvr = null;
Transacting = false;
Thread.Sleep(1000);
return(true);
}
catch (Exception ex)
{
IntData.IsOPCConnected = false;
Console.WriteLine(ex.Message);
return(true);
}
}
public override void WriteOutputSignal(string signalName, object value)
{
int[] temp = new int[2] {
0, opcGroup.OPCItems.Item(signalName).ServerHandle
};
Array serverHandles = (Array)temp;
Array Errors;
object[] valueTemp = new object[2] {
"", value
};
Array values = (Array)valueTemp;
opcGroup.SyncWrite(1, ref serverHandles, ref values, out Errors);//同步写
if (Errors.GetValue(1).ToString() == "0")
{
throw new Exception("写入数据错误");
}
else
{
}
}
/// <summary>
/// 设置可读
/// </summary>
/// <param name="group"></param>
public bool SyncSetRWFlag(OPCGroup group, byte flag)
{
/// 写入flag
int[] SyncItemServerHandles = new int[2];
object[] SyncItemValues = new object[2];
Array SyncItemServerErrors;
// FLAG index 是1
SyncItemServerHandles[1] = (int)this.ItemServerHandles.GetValue(1);
SyncItemValues[1] = flag;
group.SyncWrite(1, SyncItemServerHandles, SyncItemValues, out SyncItemServerErrors);
if (SyncItemServerErrors != null && ((int)SyncItemServerErrors.GetValue(1) == 0))
{
return(true);
}
return(false);
}
//Запись значений
protected internal override void WriteValues()
{
if (_items.Count > 0)
{
StartDanger(2, LoggerStability.Single, "Запись в OPC-сервер", true, 500)
.Run(() =>
{
int m = _itemsList == null ? 0 : _itemsList.Length;
//Количество корректно добавленых точек + 1
Array serverHandles = new int[m];
Array valuesArr = new object[m];
Array errorsArr = new object[m];
for (int i = 1; i < m; i++)
{
var item = _itemsList[i];
serverHandles.SetValue(item.ServerHandler, i);
valuesArr.SetValue(item.ValueSignal.InValue.Object, i);
}
_group.SyncWrite(m - 1, ref serverHandles, ref valuesArr, out errorsArr);
});
}
}
void WriteItems(OPCGroup ObjOPCGroup)
{
try
{
while (!stopThreads)
{
if (Workflow.plcInputs != null && Workflow.plcInputs.Count > 0)
{
CurrentPLCInput = Workflow.plcInputs.First();
if (previousPLCInput == null || !previousPLCInput.Equals(CurrentPLCInput))
{
int index = Globals.INPUT_TAGS.FirstOrDefault(x => x.Name == "iPLC_STATUS").Index;
ItemServerWriteValues.SetValue(CurrentPLCInput.iPlc_Status, index);
// ItemServerWriteValues.SetValue(CurrentTestInput.input_bool, 1);
// ItemServerWriteValues.SetValue(CurrentTestInput.input_int, 2);
try
{
ObjOPCGroup.SyncWrite(tagIndexWriter - 1, ref writerItemServerHandles, ref ItemServerWriteValues, out writerItemServerErrors);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
throw;
}
previousPLCInput = CurrentPLCInput;
}
}
//ItemServerWriteValues.SetValue(1.1, Array.IndexOf(OPCItemIDs,(object)("Bucket Brigade.Real1")));
System.Threading.Thread.Sleep(1000);
}
}
catch (Exception ex)
{
Console.Write(ex.Message);
throw;
}
}
public string SyncWriteTagValue(string tag, string writeStr)
{
try
{
Array Errors;
if (itmHandleClientWriteData != 0)
{
OPCItem bItem = KepItemsWrite.GetOPCItem(itmHandleServerWriteData);
//注：OPC中以1为数组的基数
int[] temp = new int[2] {
0, bItem.ServerHandle
};
Array serverHandle = (Array)temp;
//移除上一次选择的项
KepItemsWrite.Remove(KepItemsWrite.Count, ref serverHandle, out Errors);
}
itmHandleClientWriteData = Array.IndexOf(tagList, tag) + 1;
KepItemWrite = KepItemsWrite.AddItem(tag, itmHandleClientWriteData);
itmHandleServerWriteData = KepItemWrite.ServerHandle;
OPCItem bItem_ = KepItemsWrite.GetOPCItem(itmHandleServerWriteData);
int[] temp_ = new int[2] {
0, bItem_.ServerHandle
};
Array serverHandles = (Array)temp_;
object[] valueTemp = new object[2] {
"", writeStr
};
Array values = (Array)valueTemp;
KepGroupWriteData.SyncWrite(1, ref serverHandles, ref values, out Errors);
return("OK");
}
catch (Exception err)
{
return(err.Message);
}
}
// 控制入口
public bool Write(string tagName, object value, out string errMsg)
{
errMsg = "";
try
{
// 为避免 COM 对象的并发访问, 再建一个连接
OPCServer client = new OPCServer();
client.Connect(this._progId, this._hostIp);
OPCGroup group = client.OPCGroups.Add("WritingGroup");
OPCItem item = group.OPCItems.AddItem(tagName, 1);
int[] serverHandle = new int[] { 0, item.ServerHandle };
object[] writingValue = new object[] { null, value };
group.SyncWrite(1, serverHandle, writingValue, out Array error);
client.Disconnect();
// 据推测故障码是 COM 函数返回值, 0 表示正常
int errorCode = Convert.ToInt32(error.GetValue(1));
if (errorCode != 0)
{
errMsg = this._progId + "的条目: " + tagName + " 写入失败; " + errorCode;
return(false);
}
return(true);
}
catch (Exception ex)
{
errMsg = this._progId + "的条目: " + tagName + "写入失败: " + ex.Message + "\n" + ex.StackTrace;
TraceManagerForOPC.AppendErrMsg(errMsg);
return(false);
}
}
public void SyncWrite(string[] sItemsID, object[] ivalue, string sGroupName, out Array Result)
{
try
{
int iNumItem = sItemsID.Length;
int[] iServerHandler = GetServerHandles(sItemsID);
object[] oValue = new object[ivalue.Length + 1];
for (int i = 0; i < ivalue.Length; i++)
{
oValue[i + 1] = ivalue[i];
}
Array aServerHandler = (Array)iServerHandler;
Array aValue = (Array)oValue;
Array aError;
KepGroup = KepGroups.GetOPCGroup(sGroupName);
KepGroup.SyncWrite(iNumItem, ref aServerHandler, ref aValue, out aError);
Result = aError;
}
catch
{
// Console.WriteLine("************** " + "SyncWrite Error" + " **************");
Result = null;
}
}
