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請教大家關(guān)于FM458報(bào)錯的問題，我FM458后邊掛的是FM438，設(shè)備用了一年沒出過問題，最近458運(yùn)行報(bào)警，斷電重新上電以后就恢復(fù)了，但是運(yùn)行一段時(shí)間后又報(bào)警，錯誤代碼如下請大家?guī)兔Ψ治鲋x謝。


Event 35 of 100:  Event ID 16# 4550
DEFECTIVE: internal system error
No relevance for user (Z1): 0711
Previous operating mode: RUN
Requested operating mode: DEFECTIVE
Internal error, Incoming event
11:49:23.000 PM  01/02/1994
(Coding: 16# 4550  FF8D  0050  0711  0000  0000)




Cause:
The internal CPU firmware has detected an inconsistent status that can also result from a firmware error on the CPU.

Effect:
This status is indicated by all the CPU LEDs flashing. In this status, the program is no longer executed and no further operations are possible. Outputs are deactivated.

To correct or avoid errors:
Normally the CPU is operational again after turning it off and on again, or with more serious errors after turning it off and on again without battery backup (in either case the CPU must first be switched to STOP). The detailed information of the diagnostic buffer entry contains a hexadecimal code with the comment "No relevance for user". Note down this code and contact the manufacturer.

Make sure that there is not simply a mechanical problem by removing and reinserting the CPU.
The CPU is defective if the error occurs again after power on without battery backup.
In an M7 system:
The event can also be indicated on a function module (FM).