From 832c4899c49ae3a5f84ec700fb6c7d890e0284ea Mon Sep 17 00:00:00 2001
From: wuyunhai <1005495330@qq.com>
Date: Thu, 4 Jan 2018 00:35:54 +0800
Subject: [PATCH] =?UTF-8?q?=E3=80=90=E4=BF=AE=E6=94=B9=E3=80=91=E6=B7=BB?=
 =?UTF-8?q?=E5=8A=A0=E8=BF=9E=E6=8E=A5=E6=88=90=E5=8A=9F=E6=8F=90=E7=A4=BA?=
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---
 SCADA/Program/SiemensPLCDriver/SiemensPLCDriver.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/SCADA/Program/SiemensPLCDriver/SiemensPLCDriver.cs b/SCADA/Program/SiemensPLCDriver/SiemensPLCDriver.cs
index c382367..5e0af3c 100644
--- a/SCADA/Program/SiemensPLCDriver/SiemensPLCDriver.cs
+++ b/SCADA/Program/SiemensPLCDriver/SiemensPLCDriver.cs
@@ -272,6 +272,10 @@ namespace SiemensPLCDriver
                         return true;
                     }
                 }
+                else
+                { 
+                    Console.WriteLine(DateTime.Now + ": " + "connect fail 【" + _IP + ":502】 ");
+                }
                 if (dc != null) dc.disconnectPLC();
                 libnodave.closeSocket(fds.rfd);
             }