From cdb4b099ff2f70a077bbc69af00c3644ecc83770 Mon Sep 17 00:00:00 2001 From: zhangfl0220 Date: Thu, 21 Dec 2017 22:34:00 +0800 Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E6=B3=A8=E9=87=8A?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- SCADA/Program/BatchCoreService/DAService.cs | 2 +- SCADA/Program/CoreTest/App.xaml.cs | 11 +-- .../SiemensPLCDriver/SiemensPLCDriver.cs | 90 +++++++++++-------- 3 files changed, 60 insertions(+), 43 deletions(-) diff --git a/SCADA/Program/BatchCoreService/DAService.cs b/SCADA/Program/BatchCoreService/DAService.cs index 2dd503f..b977ac8 100644 --- a/SCADA/Program/BatchCoreService/DAService.cs +++ b/SCADA/Program/BatchCoreService/DAService.cs @@ -530,7 +530,7 @@ namespace BatchCoreService break; } cond.AddSubCondition(new SubCondition((SubAlarmType)dataReader.GetInt32(9), dataReader.GetFloat(10), - (Severity)dataReader.GetByte(11), dataReader.GetString(12), dataReader.GetBoolean(13))); + (Severity)dataReader.GetByte(11), dataReader.GetString(12), dataReader.GetBoolean(13)));//读取数据库表Meta_SubCondition里的值 cond.IsEnabled = dataReader.GetBoolean(3); var simpcond = cond as SimpleCondition; diff --git a/SCADA/Program/CoreTest/App.xaml.cs b/SCADA/Program/CoreTest/App.xaml.cs index b4a7add..6a6f2f3 100644 --- a/SCADA/Program/CoreTest/App.xaml.cs +++ b/SCADA/Program/CoreTest/App.xaml.cs @@ -11,7 +11,7 @@ namespace CoreTest /// /// Interaction logic for App.xaml /// - public partial class App : System.Windows.Application + public partial class App : System.Windows.Application//App类另一段代码是自动生成的，App类是程序的起点，可以搜索App看到。 { const string MYCOSLOGSOURCE = "MyWEM Application"; const string MYCOSLOGNAME = "MyWEM"; @@ -20,8 +20,9 @@ namespace CoreTest static readonly string machine = Environment.MachineName; public static readonly DAServer Server = new DAServer(); + #region 定义当前用户的名称 static IPrincipal _princ; - public static IPrincipal Principal + public static IPrincipal Principal//定义用户对象的基本功能 { get { @@ -33,7 +34,7 @@ namespace CoreTest } } - public static string LogSource + public static string LogSource//获取当前用户的名称 { get { @@ -46,7 +47,7 @@ namespace CoreTest { get { return eventLog; } } - + #endregion static App() { var curr = Process.GetCurrentProcess(); @@ -86,7 +87,7 @@ namespace CoreTest Current.DispatcherUnhandledException += App_DispatcherUnhandledException; base.OnStartup(e); - #region + #region if (Screen.AllScreens.Length == 1)//Server.SD.ScreenCount { w1 = new MainWindow(); diff --git a/SCADA/Program/SiemensPLCDriver/SiemensPLCDriver.cs b/SCADA/Program/SiemensPLCDriver/SiemensPLCDriver.cs index f09e4fe..9845374 100644 --- a/SCADA/Program/SiemensPLCDriver/SiemensPLCDriver.cs +++ b/SCADA/Program/SiemensPLCDriver/SiemensPLCDriver.cs @@ -89,86 +89,93 @@ namespace SiemensPLCDriver _server = server; _name = name; } - + #region 西门子驱动所有的变量组列表，通过组来划分循环时间不同的变量。 List _groups = new List(); public IEnumerable Groups { get { return _groups; } } - IDataServer _server; + IDataServer _server;//通讯服务器IDataServer public IDataServer Parent { get { return _server; } } - public IGroup AddGroup(string name, short id, int updateRate, float deadBand, bool active) + #endregion + + #region 添加和移除组 + public IGroup AddGroup(string name, short id, int updateRate, float deadBand, bool active)//添加变量组 { NetBytePLCGroup grp = new NetBytePLCGroup(id, name, updateRate, active, this); _groups.Add(grp); return grp; } - - public bool RemoveGroup(IGroup grp) + public bool RemoveGroup(IGroup grp)//移除变量组 { grp.IsActive = false; return _groups.Remove(grp); } + #endregion + #region 建立M,I，Q对应的地址区域的字典 private static readonly Dictionary dict = new Dictionary(){ {'M',libnodave.daveFlags}, - {'I',libnodave.daveInputs},{'Q',libnodave.daveOutputs}}; - - public string GetAddress(DeviceAddress address) - { + {'I',libnodave.daveInputs},{'Q',libnodave.daveOutputs}};// + #endregion + #region 根据数据库里的设备地址(DeviceAddress)获取下位机PLC绝对地址（string) + public string GetAddress(DeviceAddress address)//获取PLC地址 + {//如果PLC地址区域是Area,则字符串为“DB+DBNumer,D";如果是PLC区域是daveFlags,则字符串为M;如果是daveInputs，则字符串为I,否则为Q string addr = (address.Area == libnodave.daveDB ? string.Concat("DB", address.DBNumber, ",D") : address.Area == libnodave.daveFlags ? "M" : address.Area == libnodave.daveInputs ? "I" : "Q"); - switch (address.VarType) + switch (address.VarType)//根据变量类型Type来确定后面的字符。以DB1,D为例 { case DataType.BOOL: - return string.Concat(addr, address.Start, ".", address.Bit); + return string.Concat(addr, address.Start, ".", address.Bit);//如果是布尔型，则如DB1,D2.1 case DataType.BYTE: - return string.Concat(addr, "BB", address.Start); + return string.Concat(addr, "BB", address.Start);//如果是字节型，则如DB1,DBB1 case DataType.WORD: case DataType.SHORT: - return string.Concat(addr, "W", address.Start); + return string.Concat(addr, "W", address.Start);//如果是短整型型，则如DB1,DW1 case DataType.FLOAT: case DataType.INT: - return string.Concat(addr, "D", address.Start); + return string.Concat(addr, "D", address.Start);//如果是浮点型或整型（32位），则如DB1,DD1 default: - return string.Concat(addr, "BB", address.Start); + return string.Concat(addr, "BB", address.Start);//其他情况则如DB1,DBB1 } } - + #endregion + #region 根据下位机PLC绝对地址（string)获取数据库里的设备地址(DeviceAddress) public DeviceAddress GetDeviceAddress(string address) { DeviceAddress plcAddr = new DeviceAddress(); - if (string.IsNullOrEmpty(address) || address.Length < 2) return plcAddr; - if (address.Substring(0, 2) == "DB") + if (string.IsNullOrEmpty(address) || address.Length < 2) return plcAddr;//如果地址为空或者字符长度小于2，则返回空的地址。 + #region 是DB存储器的处理 + if (address.Substring(0, 2) == "DB")//PLC绝对地址（string)前两位是DB时，DB1,D2.1 { int index = 2; - for (int i = index; i < address.Length; i++) + for (int i = index; i < address.Length; i++)//从第三位开始，如果不是十进制数，则返回索引号。 { if (!char.IsDigit(address[i])) { - index = i; break; + index = i; break;//index=3 } } plcAddr.Area = libnodave.daveDB; - plcAddr.DBNumber = ushort.Parse(address.Substring(2, index - 2)); - string str = address.Substring(index + 1); - if (!char.IsDigit(str[0])) + plcAddr.DBNumber = ushort.Parse(address.Substring(2, index - 2));//截取DB块的号，如DB1,D2.1,不是十进制的索引号是3，3-2=1，因此截取的长度为1 + string str = address.Substring(index + 1);//截取从索引4开始的字符串，包括索引4号位置D2.1 + if (!char.IsDigit(str[0]))//如果第一位不是数字的话， { - for (int i = 1; i < str.Length; i++) + for (int i = 1; i < str.Length; i++)//则从第二位查找是数字的索引号，这里是1 { if (char.IsDigit(str[i])) { - index = i; break; + index = i; break;//index=1 } } - if (str[2] == 'W') + if (str[2] == 'W')// { - int index1 = str.IndexOf('.'); + int index1 = str.IndexOf('.');//index1=2 if (index1 > 0) { int start = int.Parse(str.Substring(3, index1 - 3)); @@ -189,29 +196,35 @@ namespace SiemensPLCDriver plcAddr.Bit = byte.Parse(str.RightFrom(index)); } } + #endregion + #region 不是DB存储区的处理 else { plcAddr.DBNumber = 0; char chr = address[0]; + #region 是M I Q 地址区时的处理 if (dict.ContainsKey(chr)) { plcAddr.Area = dict[chr]; - int index = address.IndexOf('.'); - if (address[1] == 'W') + int index = address.IndexOf('.');//MW1时，index=0;M1.0时，index=2 + if (address[1] == 'W')//当是字地址时,如MW1 { - if (index > 0) + #region 不可能执行的 + if (index > 0)//那index就不可能>0 { int start = int.Parse(address.Substring(2, index - 2)); byte bit = byte.Parse(address.RightFrom(index)); plcAddr.Start = bit > 8 ? start : start + 1; plcAddr.Bit = (byte)(bit > 7 ? bit - 8 : bit); + } + #endregion else { - plcAddr.Start = int.Parse(address.Substring(2)); + plcAddr.Start = int.Parse(address.Substring(2));//只有Start位，没有Bit位 } } - else + else//当不是字地址时,如M1.0 { if (index > 0) { @@ -220,14 +233,17 @@ namespace SiemensPLCDriver } else { - plcAddr.Start = int.Parse(address.Substring(1)); + plcAddr.Start = int.Parse(address.Substring(1));//只有Start位，没有Bit位 } } } + #endregion } + #endregion return plcAddr; } - + #endregion + #region 通过集成于PLC上的以太网建立通讯连接 public bool Connect() { lock (_async) @@ -257,7 +273,7 @@ namespace SiemensPLCDriver _closed = true; return false; } - + #endregion public void Dispose() { lock (_async) @@ -271,7 +287,7 @@ namespace SiemensPLCDriver _closed = true; } } - + #region 报错处理 string daveStrerror(int code) { switch (code) @@ -336,7 +352,7 @@ namespace SiemensPLCDriver default: return "no message defined!"; } } - + #endregion public byte[] ReadBytes(DeviceAddress address, ushort len)//从PLC中读取自己数组 { if (dc != null)