三菱MC协议部分实现

没有经过测试的代码

1、软原件类型

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace TechSysWCS.Model
{
    class MelsecElement
    {
        public static MelsecElement relaySpecial =
            new MelsecElement("特殊继电器", "SM", 0x91, 0x000000, 0x002047, MelsecElement.EnumType.Bit);

        public static MelsecElement storageSpecial =
            new MelsecElement("特殊寄存器", "SD", 0xA9, 0x000000, 0x002047, MelsecElement.EnumType.Word, 960);

        public static MelsecElement relayInput =
            new MelsecElement("输入继电器", "X*", 0x9C, 0x000000, 0x001FFF, MelsecElement.EnumType.Bit);

        public static MelsecElement relayOutPut =
            new MelsecElement("输出继电器", "Y*", 0x9D, 0x000000, 0x001FFF, MelsecElement.EnumType.Bit, 7168);

        public static MelsecElement relayInner =
            new MelsecElement("内部继电器", "M*", 0x90, 0x000000, 0x008191, MelsecElement.EnumType.Bit, 7904);

        public static MelsecElement relayLock =
            new MelsecElement("锁存继电器", "L*", 0x92, 0x000000, 0x008191, MelsecElement.EnumType.Bit);

        public static MelsecElement relayAlarm =
            new MelsecElement("报警继电器", "F*", 0x93, 0x000000, 0x002047, MelsecElement.EnumType.Bit);

        public static MelsecElement relayEdge =
            new MelsecElement("边沿继电器", "V*", 0x94, 0x000000, 0x002047, MelsecElement.EnumType.Bit);

        public static MelsecElement relayLink =
            new MelsecElement("链接继电器", "B*", 0xA0, 0x000000, 0x001FFF, MelsecElement.EnumType.Bit);

        public static MelsecElement storageData =
            new MelsecElement("数据寄存器", "D*", 0xA8, 0x000000, 0x012287, MelsecElement.EnumType.Word, 960);

        public static MelsecElement storageLink =
            new MelsecElement("链接寄存器", "W*", 0xB4, 0x000000, 0x001FFFF, MelsecElement.EnumType.Word, 960);

        public static MelsecElement relayTS =
           new MelsecElement("定时器触点", "TS", 0xC1, 0x000000, 0x002047, MelsecElement.EnumType.Bit);

        public static MelsecElement relayTC =
            new MelsecElement("定时器线圈", "TN", 0xC0, 0x000000, 0x002047, MelsecElement.EnumType.Bit);

        public static MelsecElement storageTN =
            new MelsecElement("定时器当前值", "TC", 0xC2, 0x000000, 0x002047, MelsecElement.EnumType.Word, 960);

        public static MelsecElement relaySS =
         new MelsecElement("累计定时器触点", "SS", 0xC7, 0x000000, 0x002047, MelsecElement.EnumType.Bit);

        public static MelsecElement relaySC =
            new MelsecElement("累计定时器线圈", "SC", 0xC6, 0x000000, 0x002047, MelsecElement.EnumType.Bit);

        public static MelsecElement storageSN =
            new MelsecElement("累计定时器当前值", "SN", 0xC8, 0x000000, 0x002047, MelsecElement.EnumType.Word);

        public static MelsecElement relayCS =
            new MelsecElement("计数器触点", "CS", 0xC4, 0x000000, 0x001023, MelsecElement.EnumType.Bit);

        public static MelsecElement relayCC =
            new MelsecElement("计数器线圈", "CC", 0xC3, 0x000000, 0x001023, MelsecElement.EnumType.Bit);

        public static MelsecElement storageCN =
            new MelsecElement("计数器当前值", "CN", 0xC5, 0x000000, 0x001023, MelsecElement.EnumType.Word, 960);

        public static MelsecElement relaySpecialLink =
         new MelsecElement("链接特殊继电器", "SB", 0xA1, 0x000000, 0x0007FF, MelsecElement.EnumType.Bit);

        public static MelsecElement storageSpecialLink =
            new MelsecElement("链接特殊寄存器", "SW", 0xB5, 0x000000, 0x0007FF, MelsecElement.EnumType.Word, 960);

        public static MelsecElement relayStep =
            new MelsecElement("步进继电器", "S*", 0x98, 0x000000, 0x008191, MelsecElement.EnumType.Bit);

        public static MelsecElement relayInputDir =
           new MelsecElement("直接输入继电器", "DX", 0xA2, 0x000000, 0x001FFF, MelsecElement.EnumType.Bit);

        public static MelsecElement relayOutPutDir =
            new MelsecElement("直接输出继电器", "DY", 0xA3, 0x000000, 0x001FFF, MelsecElement.EnumType.Bit);

        public static MelsecElement storageAddr =
             new MelsecElement("变址寄存器", "Z*", 0xCC, 0x000000, 0x000015, MelsecElement.EnumType.Word, 960);

        public static MelsecElement storageFile =
              new MelsecElement("文件寄存器", "R*", 0xAF, 0x032767, 0x000015, MelsecElement.EnumType.Word, 960);

        public static MelsecElement storageFileZ =
              new MelsecElement("文件寄存器Z", "RZ", 0xB0, 0x0FE7FF, 0x000015, MelsecElement.EnumType.Word, 960);
       
        public MelsecElement() { }
        
        public MelsecElement(string strName, string strAscCode, int nBinCode, 
            int nStartAddr, int nEndAddr, EnumType enumType, int nLen=3584)
        {
            m_strName = strName;
            m_strAscCode = strAscCode;
            m_nBinCode = nBinCode;
            m_nStartAddr = nStartAddr;
            m_nEndAddr = nEndAddr;
            m_enumType = enumType;
            m_nLen = nLen;
        }

        public enum EnumType 
        {
            Bit  = 0,//位类型
            Word = 1,//字类型
        }

        public string m_strName { get; set; }
        public string m_strAscCode { get; set; }
        public int m_nBinCode { get; set; }
        public int m_nStartAddr { get; set; }
        public int m_nEndAddr { get; set; }
        public EnumType m_enumType { get; set; }
        public int m_nLen { get; set; }//最大处理长度
       
    }
}

2、MC二进制协议组成部分

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using TechSysWCS.Helper;

namespace TechSysWCS.Model
{
    class MelsecMCBin
    {
        public MelsecMCBin() 
        {
            m_nNetNo = 0x00;//本站
            m_nPLCNo = 0xFF;
            m_nIONo = 0xFF03;
            m_nStationNo = 0x00;
            m_nTimeOut = 0x1000;
            m_bytelist = new List();
            m_nDataLen = 12;//不包括软元件数据

        }
       
        /// 
        /// 检查起始地址和读取长度
        /// 
        /// 
        private bool check()
        {
            
            if (m_nElementDataLen < 0 || m_nElementDataLen > m_melsecElement.m_nLen) 
            {
                return false;
            }

            if (m_nElementStartAddr < m_melsecElement.m_nStartAddr || m_nElementStartAddr > m_melsecElement.m_nEndAddr)
            {
                return false;
            }

            return true;
        }
        
        /*************读协议内容******************************
         * 副标题(2)50 00|网络编号(1)00|PLC编号(1)FF
         * IO编号(2)FF 03|站编号(1)00|请求数据长度(2)_12
         * 应答超时(2)1000|命令(2)_|子命令(2)_|起始地址(3)_
         * 请求软元件代码(1)|请求点数长度(2)
         * ***************************************************/
        
        
        /// 
        /// 构建读取字节
        /// 
        public byte[] getReadBytes() 
        {
            m_bytelist.Clear();
            
            if (check()) 
            {
                m_enumSubTitle = EnumsubTitle.Request;
                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_enumSubTitle, 2));
                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nNetNo, 1));
                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nPLCNo, 1));

                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nIONo, 2));
                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nStationNo, 1));

                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nDataLen, 2, false));

                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nTimeOut, 2));
                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_enumCmd, 2, false));
                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_enumSubCmd, 2, false));
                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nElementStartAddr, 3, false));
                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_melsecElement.m_nBinCode, 1));
                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nElementDataLen, 2, false));

            }
           
            return m_bytelist.ToArray();
        }

        /****************写协议内容**********************************
        * 副标题(2)50 00|网络编号(1)00|PLC编号(1)FF
        * IO编号(2)FF 03|站编号(1)00|请求数据长度(2)_12+写入数据长度
        * 应答超时(2)1000|命令(2)_|子命令(2)_|起始地址(3)_
        * 请求软元件代码(1)|请求点数长度(2)|写入数据(分按位和按字)
        * ***********************************************************/

        /// 
        /// 构建写字节
        /// 
        /// 写入数据长度
        public byte[] getWriteBytes(int nLen)
        {
            m_bytelist.Clear();
            if (check()) 
            {
                m_enumSubTitle = EnumsubTitle.Request;
                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_enumSubTitle, 2));
                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nNetNo, 1));
                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nPLCNo, 1));

                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nIONo, 2));
                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nStationNo, 1));

                m_nDataLen += nLen;
                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nDataLen, 2, false));

                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nTimeOut, 2));
                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_enumCmd, 2, false));
                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_enumSubCmd, 2, false));
                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nElementStartAddr, 3, false));
                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_melsecElement.m_nBinCode, 1));
                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nElementDataLen, 2, false));
                m_bytelist.AddRange(StringHelper.ConverterToBytes(m_nElementData, nLen));

            }
           
            return m_bytelist.ToArray();
        }
        //MelsecMCBinSend: 500000FFFF03000E001000011400000000009D0100000F 按字写
        //MelsecMCBinRece: D00000FFFF030002000000

        /****************读应答正常协议内容**********************************
        * 副标题(2)D0 00|网络编号(1)00|PLC编号(1)FF
        * IO编号(2)FF 03|站编号(1)00|应答数据长度(2)_
        * 结束代码(2)00 00|应答数据部分
        * ***********************************************************/
        public byte[] getReadRespond(byte[] byteRespond) 
        { 
            if (byteRespond.Length > 11)
            {
               
                int nLen = StringHelper.ConverterToInt(byteRespond[7], byteRespond[8]) - 2;
                if (nLen == byteRespond.Length - 11) 
                {
                    for (int n = 0; n < nLen; n++)
                    {
                        byteRespond[n] = byteRespond[byteRespond.Length - n - 1];
                    }
                    Array.Resize(ref byteRespond, nLen);
                }

                return byteRespond;
            }
            return null;
            
        }
 
        /****************写应答正常协议内容**********************************
        * 副标题(2)D0 00|网络编号(1)00|PLC编号(1)FF
        * IO编号(2)FF 03|站编号(1)00|应答数据长度(2)02 00
        * 结束代码(2)00 00
         * D0 00 |00 |FF |FF 03| 00| 02 00 |00 00
        * ***********************************************************/
        public bool getWriteRespond(byte[] byteRespond)
        {
            string strRespond = StringHelper.getHexString(byteRespond, byteRespond.Length);
            string strTemp = "D00000FFFF030002000000";
            return string.Equals(strTemp, strRespond);
        }

        /****************应答异常协议内容**********************************
        * 副标题(2)D0 00|网络编号(1)00|PLC编号(1)FF
        * IO编号(2)FF 03|站编号(1)00|应答数据长度(2) 0B 00
        * 结束代码(2)51 C0
        *
        * 网络编号(1)00|PLC编号(1)FF
        * IO编号(2)FF 03|站编号(1)00|命令(2)|子命令(2)
        * ***********************************************************/
        public int getRespondCode(byte[] byteRespond)
        {
            if (byteRespond.Length > 10)
            {
                return StringHelper.ConverterToInt(byteRespond[9], byteRespond[10]);
            }
            return -1;
        }

       

        /*副标题*/
        public EnumsubTitle m_enumSubTitle { get; set; }

        /*网络编号*/
        public int m_nNetNo { get; set; }

        /*PLC编号*/
        public int m_nPLCNo { get; set; }

        /*IO编号*/
        public int m_nIONo { get; set; }

        /*站编号*/
        public int m_nStationNo { get; set; }

        /*数据长度*/
        public int m_nDataLen { get; set; }

        /*CPU监视定时器,命令输出到接收应答文件时间*/
        public int m_nTimeOut { get; set; }

        /*命令*/
        public EnumCmd m_enumCmd { get; set; }

        /*子命令*/
        public EnumSubCmd m_enumSubCmd { get; set; }


        /*软元件*/
        public MelsecElement m_melsecElement { get; set; }

        /*起始软元件地址*/
        public int m_nElementStartAddr { get; set; }

        /*软元件数据长度*/
        public int m_nElementDataLen { get; set; }

        /*软元件数据*/
        public int m_nElementData { get; set; }

        /*结束代码*/
        public EnumEndCode m_nEndCode { get; set; }

        /*临时存放字节数组*/
        private List m_bytelist;

        public enum EnumsubTitle
        {
            Request = 0x5000,//请求
            Respond = 0xD000,//应答
        }

        public enum EnumEndCode
        {
            Ok = 0x0000,//正常应答
            Err = 0x51C0,//异常应答
        }

        public enum EnumCmd
        {
            ReadBatch = 0x0401,//成批读
            WriteBatch = 0x1401,//成批写

        }

        /// 
        /// 返回byte数组
        /// 
        public enum EnumSubCmd
        {
            /*有存储扩展模块b7=0,b6=0:随机读出,监视数据注册用外*/
            Bit = 0x0001,//按位读写 
            Word = 0x0000,//按字读写


            /*有存储扩展模块b7=1,b6=0:随机读出,监视数据注册用外*/
            BitEx = 0x0081,//按位读写 
            WordEx = 0x0080,//按字读写
        }
        

    }
}

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