各位大侠 
我用SOFTNET作为OPC， 来连接上位机和S7-1200的通信；
前两天突然通信中断啦；
客户发现Station 配置的 IE_General丢啦，但是再加上也不行。（以前遇到过，在把IE_General配置好就可以啦）
检查上位机软件配置没啥问题；
硬件的网线回路也都正常；
实在找不出原来来，经验丰富的帮忙分析一下是什么原因造成的呢。
附上是STATION的诊断信息，供参考 

76    5/5/2016 10:39:05 AM Proxy A default SDB was created for the proxy with index 2.
75    5/5/2016 10:39:05 AM Station Manager The component was added at index 2 in the configuration of the PC station.
74    5/5/2016 10:39:00 AM IE-Converter Index 2: The module was entered for configured operation.
73  ! 5/5/2016 10:38:31 AM Proxy The component with index 1 could not create a default SDB.
72    5/5/2016 10:38:31 AM Station Manager The component was added at index 1 in the configuration of the PC station.
71    5/5/2016 10:38:18 AM Station Manager The component at index 2 was deleted in the configuration of the PC station.
70    5/5/2016 10:38:18 AM IE-Converter Index 2: The module was removed from configured operation.
69    5/5/2016 10:38:07 AM Proxy A default SDB was created for the proxy with index 2.
68    5/5/2016 10:38:07 AM Station Manager The component at index 1 was deleted in the configuration of the PC station.
67    5/5/2016 9:43:40 AM Station Manager The processing of the properties module of the component with index 2 was aborted.
66    5/5/2016 9:37:51 AM IE-Converter Index 2: The module was reconfigured according to the defined configuration.
65    5/5/2016 9:36:52 AM Station Manager The processing of the properties module of the component with index 2 was aborted.
64  ! 5/5/2016 9:36:34 AM Proxy The component with index 1 could not create a default SDB.
63    5/5/2016 9:36:34 AM Proxy A default SDB was created for the proxy with index 2.
62  ! 5/5/2016 9:16:54 AM Proxy The component with index 1 could not create a default SDB.
61    5/5/2016 9:16:51 AM Proxy A default SDB was created for the proxy with index 2.
60  ! 5/4/2016 3:53:32 PM Proxy The component with index 1 could not create a default SDB.
59    5/4/2016 3:53:32 PM Proxy A default SDB was created for the proxy with index 2.
58  ! 5/4/2016 3:42:52 PM Proxy The component with index 1 could not create a default SDB.
57    5/4/2016 3:42:52 PM Proxy A default SDB was created for the proxy with index 2.
56    5/4/2016 3:02:52 PM Station Manager The processing of the properties module of the component with index 2 was aborted.
55    5/4/2016 3:02:29 PM IE-Converter Index 2: The module was reconfigured according to the defined configuration.
54    5/4/2016 2:37:53 PM Proxy Not all applications have logged off from the proxy with index 1.
53    5/4/2016 2:37:43 PM Proxy Not all applications have logged off from the proxy with index 1.
52    5/4/2016 2:37:33 PM Proxy Not all applications have logged off from the proxy with index 1.
51    5/4/2016 2:37:23 PM Proxy Not all applications have logged off from the proxy with index 1.
50    5/4/2016 2:37:13 PM Proxy Not all applications have logged off from the proxy with index 1.
49    5/4/2016 2:37:03 PM Proxy Not all applications have logged off from the proxy with index 1.
48    5/4/2016 2:36:53 PM Proxy Not all applications have logged off from the proxy with index 1.
47    5/4/2016 2:36:43 PM Proxy Not all applications have logged off from the proxy with index 1.
46    5/4/2016 2:36:33 PM Proxy Not all applications have logged off from the proxy with index 1.
45    5/4/2016 2:36:23 PM Proxy Not all applications have logged off from the proxy with index 1.
44    5/4/2016 2:36:13 PM Proxy Not all applications have logged off from the proxy with index 1.
43    5/4/2016 2:36:03 PM Proxy Not all applications have logged off from the proxy with index 1.
42    5/4/2016 2:35:53 PM Proxy Not all applications have logged off from the proxy with index 1.
41    5/4/2016 2:35:43 PM Proxy Not all applications have logged off from the proxy with index 1.
40    5/4/2016 2:35:33 PM Proxy Not all applications have logged off from the proxy with index 1.
39    5/4/2016 2:35:23 PM Proxy Not all applications have logged off from the proxy with index 1.
38    5/4/2016 2:35:13 PM Proxy Not all applications have logged off from the proxy with index 1.
37    5/4/2016 2:35:03 PM Proxy Not all applications have logged off from the proxy with index 1.
36    5/4/2016 2:34:53 PM Proxy Not all applications have logged off from the proxy with index 1.
35    5/4/2016 2:34:43 PM Proxy Not all applications have logged off from the proxy with index 1.
34    5/4/2016 2:34:33 PM Proxy Not all applications have logged off from the proxy with index 1.
33    5/4/2016 2:34:23 PM Proxy Not all applications have logged off from the proxy with index 1.
32    5/4/2016 2:34:13 PM Proxy Not all applications have logged off from the proxy with index 1.
31    5/4/2016 2:34:03 PM Proxy Not all applications have logged off from the proxy with index 1.
30    4/30/2016 2:01:50 PM IE-Converter Index 2: The module was reconfigured according to the defined configuration.
29    4/30/2016 10:30:56 AM Proxy A default SDB was created for the proxy with index 2.
28    4/30/2016 10:21:57 AM Proxy A default SDB was created for the proxy with index 2.
27    4/30/2016 10:21:56 AM Station Manager The component was added at index 2 in the configuration of the PC station.
26    4/30/2016 10:20:58 AM IE-Converter Index 2: The module was entered for configured operation.
25    4/29/2016 6:26:21 PM IE-Converter Index 2: The module was removed from configured operation.
24  ! 9/3/2010 10:56:29 AM Proxy The component with index 1 could not convert an SDB.
23  ! 9/3/2010 10:56:29 AM OPC Server The symbol file could not be created on this computer.
22  ! 9/3/2010 9:42:57 AM Proxy The component with index 1 could not convert an SDB.
21  ! 9/3/2010 9:42:57 AM OPC Server The symbol file could not be created on this computer.
20  ! 9/3/2010 9:42:54 AM Proxy The component with index 1 could not convert an SDB.
19  ! 9/3/2010 9:42:54 AM OPC Server The symbol file could not be created on this computer.
18  ! 9/3/2010 9:42:51 AM Proxy The component with index 1 could not convert an SDB.
17  ! 9/3/2010 9:42:51 AM OPC Server The symbol file could not be created on this computer.
16    9/3/2010 9:27:19 AM IE-Converter Index 2: The module was reconfigured according to the defined configuration.
15    9/3/2010 9:26:52 AM IE-Converter Index 2: The module was reconfigured according to the defined configuration.
14    9/3/2010 8:42:35 AM IE-Converter Index 2: The module was reconfigured according to the defined configuration.
13    9/2/2010 3:05:11 PM IE-Converter Index 2: The module was reconfigured according to the defined configuration.
12    9/2/2010 2:23:22 PM IE-Converter Index 2: The module was reconfigured according to the defined configuration.
11    9/2/2010 2:23:00 PM IE-Converter Index 2: The module was reconfigured according to the defined configuration.
10  ! 9/2/2010 2:22:59 PM Proxy The component with index 2 could not convert an SDB.
9  ! 9/2/2010 2:22:59 PM IE-Converter Index 2: The configuration data for this module are not complete or cannot be evaluated. This module will not be used for communication.
8    9/2/2010 2:20:18 PM IE-Converter Index 2: The module was reconfigured according to the defined configuration.
7  ! 9/2/2010 2:17:07 PM Proxy The component with index 1 could not create a default SDB.
6    9/2/2010 2:17:04 PM Proxy A default SDB was created for the proxy with index 2.
5    9/2/2010 2:14:45 PM Proxy A default SDB was created for the proxy with index 2.
4    9/2/2010 2:14:45 PM Station Manager The component was added at index 2 in the configuration of the PC station.
3    9/2/2010 2:12:54 PM IE-Converter Index 2: The module was entered for configured operation.
2  ! 9/2/2010 2:12:41 PM Proxy The component with index 1 could not create a default SDB.
1    9/2/2010 2:12:41 PM Station Manager The component was added at index 1 in the configuration of the PC station.