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problem in im 151 module

Created by: malek_alaydi67on at: 7/9/2025 4:42 PM (3 Replies)

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7/9/2025 4:42 PM	Rate (0)
malek_alaydi67on Joined: 7/9/2025 Last visit: 8/25/2025 Posts: 8 Rating: (0)	Hello we have problem in plc s7-317 all modules working good except one give sf fault. when i go diagnostic buffer show this Diagnostic buffer of module CPU317-2 Order No./ Description Component Version 6ES7 317-2AJ10-0AB0 Hardware 4 - - - Firmware V 2.1.10 Rack: 0 Slot: 2 Event 1 of 10: Event ID 16# 38C4 Distributed I/Os: station return Address of the affected DP slave: station number: 10 DP master system ID: 1 Log. base address of the DP slave: Input address: 8189 Log. base address of the DP master: 8190 Requested OB: Rack failure OB (OB86) Priority class: 26 External error, Outgoing event 06:39:42.971 PM 07/09/2025 (Coding: 16# 38C4 1A56 C054 1FFE 1FFD 010A) Event 2 of 10: Event ID 16# 2943 I/O access error, writing P area, word access, Access address: 502 Requested OB: I/O access error OB (OB122) Priority class: 1 External error, Incoming event 06:39:42.966 PM 07/09/2025 (Coding: 16# 2943 017A 0020 01F6 0000 0000) Event 3 of 10: Event ID 16# 2943 I/O access error, writing P area, word access, Access address: 500 Requested OB: I/O access error OB (OB122) Priority class: 1 External error, Incoming event 06:39:42.966 PM 07/09/2025 (Coding: 16# 2943 017A 0020 01F4 0000 0000) Event 4 of 10: Event ID 16# 2942 I/O access error, reading P area, word access, Access address: 504 Requested OB: I/O access error OB (OB122) Priority class: 1 External error, Incoming event 06:39:42.966 PM 07/09/2025 (Coding: 16# 2942 017A 0020 01F8 0000 0000) Event 5 of 10: Event ID 16# 2942 I/O access error, reading P area, word access, Access address: 502 Requested OB: I/O access error OB (OB122) Priority class: 1 External error, Incoming event 06:39:42.966 PM 07/09/2025 (Coding: 16# 2942 017A 0020 01F6 0000 0000) Event 6 of 10: Event ID 16# 2942 I/O access error, reading P area, word access, Access address: 500 Requested OB: I/O access error OB (OB122) Priority class: 1 External error, Incoming event 06:39:42.966 PM 07/09/2025 (Coding: 16# 2942 017A 0020 01F4 0000 0000) Event 7 of 10: Event ID 16# 2943 I/O access error, writing P area, word access, Access address: 502 Requested OB: I/O access error OB (OB122) Priority class: 1 External error, Incoming event 06:39:42.964 PM 07/09/2025 (Coding: 16# 2943 017A 0020 01F6 0000 0000) Event 8 of 10: Event ID 16# 2943 I/O access error, writing P area, word access, Access address: 500 Requested OB: I/O access error OB (OB122) Priority class: 1 External error, Incoming event 06:39:42.964 PM 07/09/2025 (Coding: 16# 2943 017A 0020 01F4 0000 0000) Event 9 of 10: Event ID 16# 2942 I/O access error, reading P area, word access, Access address: 504 Requested OB: I/O access error OB (OB122) Priority class: 1 External error, Incoming event 06:39:42.963 PM 07/09/2025 (Coding: 16# 2942 017A 0020 01F8 0000 0000) Event 10 of 10: Event ID 16# 2942 I/O access error, reading P area, word access, Access address: 502 Requested OB: I/O access error OB (OB122) Priority class: 1 External error, Incoming event 06:39:42.963 PM 07/09/2025 (Coding: 16# 2942 017A 0020 01F6 0000 0000) Attachment sf fault.jpg (47 Downloads)

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7/10/2025 12:01 PM	Rate (0)
SCOTT123 Bronze Member Joined: 10/16/2007 Last visit: 8/18/2025 Posts: 652 Rating: (46)	Hello, are you sure you transferred the newest HWConfiguration? After transferring you need to power down und up again. Scott

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7/12/2025 10:49 AM	Rate (0)
malek_alaydi67on Joined: 7/9/2025 Last visit: 8/25/2025 Posts: 8 Rating: (0)	Yes sir, i did that but still sf fault. If there are problem in sensor that connect with AI module can make sf fault?

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7/12/2025 9:08 PM	Rate (0)
Hati Platinum Member Joined: 9/21/2012 Last visit: 9/4/2025 Posts: 4703 Rating: (509)	malek_alaydi67on If there are problem in sensor that connect with AI module can make sf fault? No, then you get a channel fault.

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