70 lines
2.3 KiB
C#
70 lines
2.3 KiB
C#
using Microsoft.Extensions.Hosting;
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using Microsoft.Extensions.Logging;
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using RIZO.Service.PLC;
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using S7.Net;
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using System;
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using System.Threading;
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using System.Threading.Tasks;
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namespace RIZO.Service.PLCBackground
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{
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public class PlcPollingServiceOP72 : BackgroundService
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{
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private readonly ILogger<PlcPollingServiceOP72> _logger;
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private PlcService _plcService;
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private readonly TimeSpan _pollingInterval = TimeSpan.FromSeconds(5);
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private readonly string _ipAddress = "192.168.0.1";
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private readonly CpuType _cpuType = CpuType.S71500;
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public PlcPollingServiceOP72(ILogger<PlcPollingServiceOP72> logger)
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{
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_logger = logger;
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}
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protected override async Task ExecuteAsync(CancellationToken stoppingToken)
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{
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_logger.LogInformation("PLC Polling Service started");
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// 使用工厂方法创建服务实例
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using (_plcService = new PlcService(_ipAddress, _cpuType))
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{
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while (!stoppingToken.IsCancellationRequested)
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{
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try
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{
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// 使用异步读写方法
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var data1 = await _plcService.ReadAsync("DB1.DBW0");
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var data2 = await _plcService.ReadAsync("DB1.DBD4");
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var flag = await _plcService.ReadAsync("M10.0");
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_logger.LogInformation($"DB1.DBW0: {data1}, DB1.DBD4: {data2}, M10.0: {flag}");
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await _plcService.WriteAsync("DB1.DBW10", (short)123);
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await _plcService.WriteAsync("DB1.DBD20", 45.67d);
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await Task.Delay(_pollingInterval, stoppingToken);
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}
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catch (OperationCanceledException)
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{
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_logger.LogInformation("PLC Polling Service is stopping");
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break;
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "PLC polling error");
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await Task.Delay(TimeSpan.FromSeconds(10), stoppingToken);
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}
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}
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}
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_logger.LogInformation("PLC Polling Service stopped");
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}
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}
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}
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