特殊处理OP70，因为OP70没有测量，默认合格 [Editby shaocx,2024-07-03]

schangxiang@126.com

2024-07-03 1cdca2ba97c3d77ec08306cfe7efceb17ddc56cf

 DataCapture/iWare_SCADA_DataCapture/iWare_SCADA_BusinessLogical/BLL/SystemValue.cs

@@ -16,6 +16,11 @@
    /// </summary>
    public class SystemValue
    {
        /// <summary>
        /// OP20的当前检测面值
        /// </summary>
        public static string OP20_Side_Value = "";

        #region PLC链接

        public static object lockPlcService = new object();