| | |
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| | | |
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| | | private static List<PLCUtil> listPlcUtil = new List<PLCUtil>(); |
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| | | private static CancellationTokenSource cts;//取消线程标识 |
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| | | |
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| | | //对外公布连接状态 |
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| | | public static List<PLCUtil> listPlcConn |
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| | | { |
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| | | get { return listPlcUtil; } |
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| | | } |
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| | | public static event EventHandler DeviceValueChangeEvent; |
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| | | static PLCTaskAction() |
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| | | { |
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| | |
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| | | } |
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| | | try |
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| | | { |
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| | | var modPlcUtil = listPlcUtil.FirstOrDefault(s => s.PlcId == modPlc.Id); |
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| | | var modPlcUtil = listPlcUtil.FirstOrDefault(s => s != null && s.PlcId == modPlc.Id); |
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| | | if (modPlcUtil == null) |
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| | | { |
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| | | modPlcUtil = new PLCUtil(modPlc); |
|---|
