前几天CPU停机的问题目前已经能确定是哪个站出现了问题，CPU的诊断信息如下所示：

Diagnostic buffer of module CPU 317-2 PN/DP

Order No./ Des cription Component Version
6ES7 317-2EK14-0AB0 Hardware 3
- - - Firmware V 3.2.3
Boot Loader Firmware expansion A 32.9.9

Rack: 0
Slot: 2


Serial number: S C-B5TS74892011


Event 1 of 500: Event ID 16# 3854
PROFINET IO submodule/module inserted, module type ok
station number: 10
IO system ID: 100
Output address: 600
no relevance for user (Z3): 8101
Requested OB: Remove/insert OB (OB83)
OB not found, or disabled, or cannot be started in the in the current operating mode
External error, Outgoing event
11:07:48.083 PM 12/24/2013
(Coding: 16# 3854 FE53 C455 0258 800A 8101)


Event 2 of 500: Event ID 16# 456B
STOP caused by removing/inserting module (OB not loaded or not possible, or no FRB)
FC number: 606
Module address: 200
Previous operating mode: RUN
Requested operating mode: STOP (internal)
Internal error, Incoming event
11:07:47.700 PM 12/24/2013
(Coding: 16# 456B FF84 8C00 0101 025E 00C8)


Event 3 of 500: Event ID 16# 3951
PROFINET IO module removed/cannot be addressed
station number: 10
IO system ID: 100
Output address: 600
no relevance for user (Z3): 8101
Requested OB: Remove/insert OB (OB83)
Priority class: 26
External error, Incoming event
11:07:47.696 PM 12/24/2013
(Coding: 16# 3951 1A53 C455 0258 800A 8101)


Event 4 of 500: Event ID 16# 38CB
PROFINET IO: station return
address of the affected station: Input address: 8134
IO system ID: 100
station number: 10
Log. Basic address of the IO controller: 8188
Requested OB: Rack failure OB (OB86)
Priority class: 26
External error, Outgoing event
10:59:32.813 PM 12/24/2013
(Coding: 16# 38CB 1A56 C454 1FFC 1FC6 800A)


Event 5 of 500: Event ID 16# 39CB
PROFINET IO: station Failure
address of the affected station: Input address: 8134
IO system ID: 100
station number: 10
Log. Basic address of the IO controller: 8188
Requested OB: Rack failure OB (OB86)
Priority class: 26
External error, Incoming event
10:59:29.205 PM 12/24/2013
(Coding: 16# 39CB 1A56 C454 1FFC 1FC6 800A)
后面还有许多事件4,5重复的事件，我没有贴上来。现在我还是不能确定到底哪个模块坏了，还是DP头子坏了，希望有经验的朋友提供点思路，谢谢了！
PS: 顺便问大家一个问题,ET200s有两个Profinet口，现在插入的是第一口，我能直接断电把它插入第二个口吗？会不会有啥影响，谢谢大家！