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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using Mesnac.Equips;
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namespace Mesnac.Equip.OMRON.FINS.GroupNet
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{
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public class Equip : BaseEquip
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{
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private TcpFactory _socketFactory = null;//TcpFactory.GetInstance("53", "53", "192.168.1.83", "9600");
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private bool _isOpen = false; //是否打开连接
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private Mesnac.Equips.Connection.GroupNet.ConnType connType = null;
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private Dictionary<string, string> _dicIP = null;
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#region 辅助方法 - 获取设备组IP字典
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public Dictionary<string, string> GetIPS()
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{
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this.connType = (Mesnac.Equips.Connection.GroupNet.ConnType)this.Main.ConnType;
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this._dicIP = new Dictionary<string, string>();
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try
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{
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if (!String.IsNullOrEmpty(this.connType.IPList))
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{
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string[] strItems = this.connType.IPList.Split(new char[] { ';' });
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if (null != strItems && strItems.Length > 0)
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{
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foreach (string strItem in strItems)
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{
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if (!String.IsNullOrEmpty(strItem))
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{
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string[] items = strItem.Split(new char[] { ':' });
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if (null != items && items.Length > 0)
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{
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this._dicIP.Add(items[0], items[1]);
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}
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}
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}
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}
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}
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}
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catch (Exception ex)
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{
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ICSharpCode.Core.LoggingService.Error("打开设备失败:解析设备配置错误-" + ex.Message);
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}
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return this._dicIP;
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}
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#endregion
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/// <summary>
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/// 获取串口工厂
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/// </summary>
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/// <returns></returns>
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private TcpFactory GetTcpFactory()
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{
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//Mesnac.Equips.Connection.COM.ConnType connType = (Mesnac.Equips.Connection.COM.ConnType)this.Main.ConnType;
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string IP = this._dicIP[this.Name]; ;
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this._socketFactory = TcpFactory.GetInstance("", "", IP, "9600");
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return this._socketFactory;
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}
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public override bool Open()
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{
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try
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{
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if (this._dicIP == null)
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{
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this._dicIP = GetIPS();
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}
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if (this._isOpen == true && (_socketFactory != null))
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{
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return true;
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}
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this.State = false;
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this._socketFactory = this.GetTcpFactory();
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this._socketFactory.creatConn();
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if (!this._socketFactory.MainTCPSocket.Connected)
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{
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//ICSharpCode.Core.LoggingService.Warn("PLC连接失败：串口未打开失败!");
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this.State = false;
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return this.State;
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}
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else
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{
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this.State = true;
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this._isOpen = true;
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Console.WriteLine("连接成功!");
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return this.State;
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}
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}
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catch (Exception ex)
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{
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this.State = false;
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this._isOpen = false;
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Console.WriteLine(ex.Message);
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return this.State;
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}
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}
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public override bool Read(string block, int start, int len, out object[] buff)
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{
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buff = new object[len];
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try
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{
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if (len > 256)
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{
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for (int i = 0; i < len; i++)
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{
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buff[i] = 0;
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}
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base.State = false;
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return false;
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}
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int maxOneLen = 50; //单次允许读取的最大长度，欧姆龙限制为50个字
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int count = len / maxOneLen; //要读取的次数
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int mod = len % maxOneLen; //剩余的长度
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bool flag = true; //保存读取标志
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for (int i = 0; i < count; i++)
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{
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object[] _buff = new object[maxOneLen];
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flag = this.ReadByLen(block, start + i * maxOneLen, maxOneLen, out _buff);
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if (flag == false)
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{
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base.State = flag;
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return false;
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}
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for (int k = i * maxOneLen; k < (i + 1) * maxOneLen; k++)
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{
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buff[k] = _buff[k - i * maxOneLen];
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}
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}
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if (mod > 0)
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{
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object[] _buff = new object[mod];
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flag = this.ReadByLen(block, start + count * maxOneLen, mod, out _buff);
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if (flag == false)
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{
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base.State = flag;
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return false;
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}
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for (int k = count * maxOneLen; k < count * maxOneLen + mod; k++)
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{
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buff[k] = _buff[k - count * maxOneLen];
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}
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}
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base.State = flag;
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return flag;
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}
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catch (Exception ex)
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{
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ICSharpCode.Core.LoggingService.Error(String.Format("读取PLC（OMRON）设备失败-({0})!", ex.Message));
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base.State = false;
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return false;
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}
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}
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/// <summary>
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/// 单次读取最长20个字的方法
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/// </summary>
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/// <param name="block">块号</param>
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/// <param name="start">起始字</param>
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/// <param name="len">长度，最长不超过100</param>
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/// <param name="buff">数据缓冲区，存放读取的数据</param>
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/// <returns>读取成功返回true，读取失败返回false</returns>
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private bool ReadByLen(string block, int start, int len, out object[] buff)
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{
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lock (this)
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{
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buff = new object[len];
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if (!this.Open())
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{
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return false;
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}
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int state = len;
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object[] _buff = new object[len];
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int iblock = Convert.ToInt32(block);
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//iblock = iblock + start;
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bool result = this._socketFactory.Read(iblock, start, len, out _buff);
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if (!result)
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{
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//ICSharpCode.Core.LoggingService.Warn("PLC读取失败：" + this.GetErrInfo(result));
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this.State = false;
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return false;
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}
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else
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{
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this.State = true;
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}
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int iReadLen = len;
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if (iReadLen > state)
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{
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iReadLen = state;
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}
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for (int i = 0; i < iReadLen; i++)
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{
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int value = 0;
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int.TryParse(_buff[i].ToString(), out value);
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if (value > ushort.MaxValue)
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{
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value = ushort.MaxValue - value;
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}
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buff[i] = value;
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}
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return true;
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}
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}
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public override bool Write(int block, int start, object[] buff)
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{
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lock (this)
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{
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try
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{
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if (buff.Length > 256)
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{
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return false;
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}
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int len = buff.Length;
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int maxOneLen = 25; //单次允许读取的最大长度，OMRON限制为25个字
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int count = len / maxOneLen; //要读取的次数
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int mod = len % maxOneLen; //剩余的长度
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bool flag = true; //保存写入标志
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int[] _buff = new int[buff.Length];
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for (int i = 0; i < buff.Length; i++)
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{
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//object[] _buff = new object[len];
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//for (int k = i * maxOneLen; k < (i + 1) * maxOneLen; k++)
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//{
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// _buff[k - i * maxOneLen] = buff[k];
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//}
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int value = 0;
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int.TryParse(buff[i].ToString(), out value);
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_buff[i] = value;
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}
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flag = this._socketFactory.Write(block, start, _buff);
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if (flag == false)
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{
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return false;
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}
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return flag;
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}
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catch (Exception ex)
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{
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//ICSharpCode.Core.LoggingService.Error(String.Format("写入PLC（OMRON）设备失败-({0})!", ex.Message));
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//Console.WriteLine(ex.Message);
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return false;
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}
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}
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}
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public override void Close()
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{
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lock (this)
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{
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try
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{
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this._socketFactory.MainTCPSocket.Close();
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if (this._socketFactory.MainTCPSocket.Connected)
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{
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//ICSharpCode.Core.LoggingService.Warn("PLC【欧姆龙】关闭失败：端口处于打开状态");
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}
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else
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{
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this.State = false;
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this._isOpen = false;
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//Console.WriteLine("关闭成功!");
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}
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}
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catch (Exception ex)
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{
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//ICSharpCode.Core.LoggingService.Error("PLC【欧姆龙】关闭失败：" + ex.Message);
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}
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}
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}
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}
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}
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