muratb

hello,

i have 1214C AC/DC/Relay cpu. it s gone to defective mode randomly. working fine about 3 months then gone to defective mode.

firts time i realize it s about HSC counter deattach commands . soi've deleted. and it solved my problem for a while. and it occured again..

now i add diagnostic and time error interupts OB but I dont know it works or not.

diagnostics buffer as follow;

Diagnostics buffer of the module S71200\CPU\CPU_1215C\MDD_6ES7215-1BG31-0XB0_3.0

Order no. / name Component Version

6ES7 215-1BG31-0XB0 Hardware 1

- - - Firmware V 3.0.2

Firmware expansion Firmware expansion ---

Rack: 0

Slot: 1

1 of 50; Event ID: 16# 02:400C

CPU info: Follow-on operating mode change

Power-on mode set: WARM RESTART to RUN (if CPU was in RUN before power off)

Pending startup inhibit(s):

- No startup inhibit set

CPU changes from STARTUP to RUN mode

|> HW_ID= 52 - Operating mode control

Incoming event

15/01/1970 06:03:18.796 AM

2 of 50; Event ID: 16# 02:400E

CPU info: Communication initiated request: COLD RESTART

Pending startup inhibit(s):

- No startup inhibit set

CPU changes from STOP to STARTUP mode

|> HW_ID= 52 - Operating mode control

Incoming event

15/01/1970 06:03:18.728 AM

3 of 50; Event ID: 16# 02:4000

CPU info: New startup information

Pending startup inhibit(s):

Current CPU operating mode: STOP

|> HW_ID= 52 - Operating mode control

Incoming event

15/01/1970 06:03:18.728 AM

4 of 50; Event ID: 16# 02:4000

CPU info: New startup information

Pending startup inhibit(s):

- Manual restart required

Current CPU operating mode: STOP

|> HW_ID= 52 - Operating mode control

Incoming event

15/01/1970 05:28:26.626 AM

5 of 50; Event ID: 16# 02:400C

CPU info: Follow-on operating mode change

Power-on mode set: WARM RESTART to RUN (if CPU was in RUN before power off)

Pending startup inhibit(s):

- Manual restart required

CPU changes from STOP (initialization) to STOP mode

|> HW_ID= 52 - Operating mode control

Incoming event

15/01/1970 05:28:26.557 AM

6 of 50; Event ID: 16# 02:4009

CPU error: Retentive data error: No retentive data

Current CPU operating mode: STOP (initialization) |> HW_ID= 50 - Load memory control

Incoming event

15/01/1970 05:28:26.517 AM

7 of 50; Event ID: 16# 02:4001

CPU info: Power on

memory card type: No memory card

CPU changes from NO POWER to STOP (initialization) mode |> HW_ID= 52 - Operating mode control

Incoming event

15/01/1970 05:28:24.666 AM

8 of 50; Event ID: 16# 02:4002

CPU info: Power off

CPU changes from DEFECTIVE to NO POWER mode |> HW_ID= 52 - Operating mode control

Incoming event

15/01/1970 05:28:24.666 AM

9 of 50; Event ID: 16# 02:401A

CPU info: Serious firmware exception

(not relevant for user, system code: 16#00644A4E 16#10000034 16#080D0000)

CPU changes from RUN to DEFECTIVE mode |> HW_ID= 52 - Operating mode control

Incoming event

15/01/1970 05:26:43.341 AM

10 of 50; Event ID: 16# 02:400C

CPU info: Follow-on operating mode change

Power-on mode set: WARM RESTART to RUN (if CPU was in RUN before power off)

Pending startup inhibit(s):

- No startup inhibit set

CPU changes from STARTUP to RUN mode |> HW_ID= 52 - Operating mode control

Incoming event

15/01/1970 02:42:07.655 AM

Hi guys...I have same issue...I changed the old cpu to new one. but the problem is same..It goes to defevtive mode and after MRES or power cycle given it again goes to run mode.

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Split from s71200 go to defective mode.

Closed cause question posted twice.

The second thread with the subject cpu going in defective mode. is published within the conference SIMATIC S7-1200.