/// <summary> /// 从三菱PLC中读取想要的数据,返回读取结果 /// </summary> /// <param name="address">读取地址,格式为"M100","D100","W1A0"</param> /// <param name="length">读取的数据长度,字最大值960,位最大值7168</param> /// <returns>带成功标志的结果数据对象</returns> /// <remarks> /// 地址支持的列表参考 <seealso cref="MelsecMcAsciiNet"/> 的备注说明 /// </remarks> /// <example> /// 假设起始地址为D100,D100存储了温度,100.6℃值为1006,D101存储了压力,1.23Mpa值为123,D102,D103存储了产量计数,读取如下: /// <code lang="cs" source="HslCommunication_Net45.Test\Documentation\Samples\Profinet\MelsecAscii.cs" region="ReadExample2" title="Read示例" /> /// 以下是读取不同类型数据的示例 /// <code lang="cs" source="HslCommunication_Net45.Test\Documentation\Samples\Profinet\MelsecAscii.cs" region="ReadExample1" title="Read示例" /> /// </example> public override OperateResult <byte[]> Read(string address, ushort length) { // 分析地址 OperateResult <McAddressData> addressResult = McAnalysisAddress(address, length); if (!addressResult.IsSuccess) { return(OperateResult.CreateFailedResult <byte[]>(addressResult)); } // 地址分析 byte[] coreResult = MelsecHelper.BuildAsciiReadMcCoreCommand(addressResult.Content, false); // 核心交互 var read = ReadFromCoreServer(PackMcCommand(coreResult, NetworkNumber, NetworkStationNumber)); if (!read.IsSuccess) { return(OperateResult.CreateFailedResult <byte[]>(read)); } // 错误代码验证 ushort errorCode = Convert.ToUInt16(Encoding.ASCII.GetString(read.Content, 18, 4), 16); if (errorCode != 0) { return(new OperateResult <byte[]>(errorCode, StringResources.Language.MelsecPleaseReferToManulDocument)); } // 数据解析,需要传入是否使用位的参数 return(ExtractActualData(read.Content, false)); }
/// <summary> /// 根据类型地址长度确认需要读取的报文 /// </summary> /// <param name="address">起始地址</param> /// <param name="length">长度</param> /// <param name="isBit">指示是否按照位成批的读出</param> /// <param name="networkNumber">网络号信息</param> /// <param name="networkStationNumber">网络站号信息</param> /// <returns>带有成功标志的指令数据</returns> public static OperateResult <byte[]> BuildReadCommand(string address, ushort length, bool isBit, byte networkNumber = 0, byte networkStationNumber = 0) { OperateResult <byte[]> coreResult = MelsecHelper.BuildAsciiReadMcCoreCommand(address, length, isBit); if (!coreResult.IsSuccess) { return(coreResult); } return(OperateResult.CreateSuccessResult(PackMcCommand(coreResult.Content, networkNumber, networkStationNumber))); }
/// <summary> /// 从三菱PLC中批量读取位软元件,返回读取结果 /// </summary> /// <param name="address">起始地址</param> /// <param name="length">读取的长度</param> /// <returns>带成功标志的结果数据对象</returns> /// <remarks> /// 地址支持的列表参考 <seealso cref="MelsecMcAsciiNet"/> 的备注说明 /// </remarks> /// <example> /// <code lang="cs" source="HslCommunication_Net45.Test\Documentation\Samples\Profinet\MelsecAscii.cs" region="ReadBool" title="Bool类型示例" /> /// </example> public virtual OperateResult <bool[]> ReadBool(string address, ushort length) { // 地址分析 OperateResult <byte[]> coreResult = MelsecHelper.BuildAsciiReadMcCoreCommand(address, length, true, McAnalysisAddress); if (!coreResult.IsSuccess) { return(OperateResult.CreateFailedResult <bool[]>(coreResult)); } // 核心交互 var read = ReadFromCoreServer(PackMcCommand(coreResult.Content, NetworkNumber, NetworkStationNumber)); if (!read.IsSuccess) { return(OperateResult.CreateFailedResult <bool[]>(read)); } // 错误代码验证 ushort errorCode = Convert.ToUInt16(Encoding.ASCII.GetString(read.Content, 18, 4), 16); if (errorCode != 0) { return(new OperateResult <bool[]>(errorCode, StringResources.Language.MelsecPleaseReferToManulDocument)); } // 数据解析,需要传入是否使用位的参数 var extract = ExtractActualData(read.Content, true); if (!extract.IsSuccess) { return(OperateResult.CreateFailedResult <bool[]>(extract)); } // 转化bool数组 return(OperateResult.CreateSuccessResult(extract.Content.Select(m => m == 0x01).Take(length).ToArray( ))); }
/// <summary> /// 根据类型地址长度确认需要读取的报文 /// </summary> /// <param name="address">起始地址</param> /// <param name="length">长度</param> /// <param name="isBit">指示是否按照位成批的读出</param> /// <param name="networkNumber">网络号信息</param> /// <param name="networkStationNumber">网络站号信息</param> /// <returns>带有成功标志的指令数据</returns> public static OperateResult <byte[]> BuildReadCommand(string address, ushort length, bool isBit, byte networkNumber = 0, byte networkStationNumber = 0) { OperateResult <byte[]> coreResult = MelsecHelper.BuildAsciiReadMcCoreCommand(address, length, isBit); if (!coreResult.IsSuccess) { return(coreResult); } return(OperateResult.CreateSuccessResult(PackMcCommand(coreResult.Content, networkNumber, networkStationNumber))); OperateResult <MelsecMcDataType, int> analysis = MelsecHelper.McAnalysisAddress(address); if (!analysis.IsSuccess) { return(OperateResult.CreateFailedResult <byte[]>(analysis)); } // 默认信息----注意:高低字节交错 byte[] _PLCCommand = new byte[42]; _PLCCommand[0] = 0x35; // 副标题 _PLCCommand[1] = 0x30; _PLCCommand[2] = 0x30; _PLCCommand[3] = 0x30; _PLCCommand[4] = MelsecHelper.BuildBytesFromData(networkNumber)[0]; // 网络号 _PLCCommand[5] = MelsecHelper.BuildBytesFromData(networkNumber)[1]; _PLCCommand[6] = 0x46; // PLC编号 _PLCCommand[7] = 0x46; _PLCCommand[8] = 0x30; // 目标模块IO编号 _PLCCommand[9] = 0x33; _PLCCommand[10] = 0x46; _PLCCommand[11] = 0x46; _PLCCommand[12] = MelsecHelper.BuildBytesFromData(networkStationNumber)[0]; // 目标模块站号 _PLCCommand[13] = MelsecHelper.BuildBytesFromData(networkStationNumber)[1]; _PLCCommand[14] = 0x30; // 请求数据长度 _PLCCommand[15] = 0x30; _PLCCommand[16] = 0x31; _PLCCommand[17] = 0x38; _PLCCommand[18] = 0x30; // CPU监视定时器 _PLCCommand[19] = 0x30; _PLCCommand[20] = 0x31; _PLCCommand[21] = 0x30; _PLCCommand[22] = 0x30; // 批量读取数据命令 _PLCCommand[23] = 0x34; _PLCCommand[24] = 0x30; _PLCCommand[25] = 0x31; _PLCCommand[26] = 0x30; // 以点为单位还是字为单位成批读取 _PLCCommand[27] = 0x30; _PLCCommand[28] = 0x30; _PLCCommand[29] = isBit ? (byte)0x31 : ( byte)0x30; _PLCCommand[30] = Encoding.ASCII.GetBytes(analysis.Content1.AsciiCode)[0]; // 软元件类型 _PLCCommand[31] = Encoding.ASCII.GetBytes(analysis.Content1.AsciiCode)[1]; _PLCCommand[32] = MelsecHelper.BuildBytesFromAddress(analysis.Content2, analysis.Content1)[0]; // 起始地址的地位 _PLCCommand[33] = MelsecHelper.BuildBytesFromAddress(analysis.Content2, analysis.Content1)[1]; _PLCCommand[34] = MelsecHelper.BuildBytesFromAddress(analysis.Content2, analysis.Content1)[2]; _PLCCommand[35] = MelsecHelper.BuildBytesFromAddress(analysis.Content2, analysis.Content1)[3]; _PLCCommand[36] = MelsecHelper.BuildBytesFromAddress(analysis.Content2, analysis.Content1)[4]; _PLCCommand[37] = MelsecHelper.BuildBytesFromAddress(analysis.Content2, analysis.Content1)[5]; _PLCCommand[38] = MelsecHelper.BuildBytesFromData(length)[0]; // 软元件点数 _PLCCommand[39] = MelsecHelper.BuildBytesFromData(length)[1]; _PLCCommand[40] = MelsecHelper.BuildBytesFromData(length)[2]; _PLCCommand[41] = MelsecHelper.BuildBytesFromData(length)[3]; return(OperateResult.CreateSuccessResult(_PLCCommand)); }