AUCMA_SCADA/Aucma.Core.Melsec/MelsecService.cs


using Admin.Core.Common;
using Aucma.Core.MelsecPLc;
using System.Timers;

namespace Aucma.Core.Melsec
{
    /// <summary>
    /// 扫码器初始化
    /// </summary>
    public class MelsecService : IMelsecService
    {
       private  IMelsecPlc _melsecPlc;
        System.Timers.Timer timer = new System.Timers.Timer(1000);//创建定时器，设置间隔时间为1000毫秒；
        public  MelsecService(IMelsecPlc melsecPlc)
        {
            _melsecPlc = melsecPlc;
        }
        public  Task StartMelsecAsync()
        {
            timer.Elapsed += new System.Timers.ElapsedEventHandler(ExecTask);  //到达时间的时候执行事件；
            timer.AutoReset = true;//设置是执行一次（false）还是一直执行(true)； 
            timer.Enabled = true;//需要调用 timer.Start()或者timer.Enabled = true来启动它，
            timer.Start();//timer.Start()的内部原理还是设置timer.Enabled = true;
            return Task.CompletedTask;
        }

        private void ExecTask(object? sender, ElapsedEventArgs e)
        {
            if (_melsecPlc.Read("M100"))
            {
                Console.WriteLine(_melsecPlc.ReadBool("M100"));
                Console.WriteLine("PLC连接成功！");
            }
            else
            {
                if (!_melsecPlc.IsConnected)
                {
                    Console.WriteLine("PLC连接失败！");
                    System.GC.Collect();
                    if (_melsecPlc.DisConnect())
                    {
                        string address = Appsettings.app("Middleware","Melsec", "ConString").ToString();
                        int port = Appsettings.app("Middleware", "Melsec", "Port").ObjToInt();
                        _melsecPlc.Connect(address, port);
                    }
                }
            }
        }
    }
}