64 lines
2.2 KiB
C#
64 lines
2.2 KiB
C#
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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 readonly PlcService _plcService;
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private readonly TimeSpan _pollingInterval = TimeSpan.FromSeconds(5);
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public PlcPollingServiceOP72(ILogger<PlcPollingServiceOP72> logger)
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{
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_logger = logger;
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// 配置PLC连接参数（根据实际设备修改）
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_plcService = new PlcService("192.168.0.1", CpuType.S71500);
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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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// 不断轮询PLC数据
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while (!stoppingToken.IsCancellationRequested)
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{
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try
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{
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// 示例：读取DB块数据
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var data1 = _plcService.Read("DB1.DBW0"); // 读取字
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var data2 = _plcService.Read("DB1.DBD4"); // 读取双字
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var flag = _plcService.Read("M10.0"); // 读取标志位
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_logger.LogInformation($"DB1.DBW0: {data1}, DB1.DBD4: {data2}, M10.0: {flag}");
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// 示例：写入数据到PLC
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_plcService.Write("DB1.DBW10", (short)123); // 写入字
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_plcService.Write("DB1.DBD20", 45.67d); // 写入浮点数
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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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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); // 错误后延迟重试
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}
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}
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_plcService.Dispose();
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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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