YOKOGAWA F3LC11-1F, User Manual

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C6-6
IM 34M6H41-01E 3rd Edition : Aug. 1, 2005-00
C6.5 Troubleshooting Flowchart When an Error
Code is Returned in Response
Error response is returned.
End
YES
YES
YES
NO
NO
Is it a time-out error?
Is the transmitted
command correct?
Is an error
response returned?
YES
YES
NO
YES
NO
Is the detailed
error code E1?
Is it immediately
after turning on the
power supply?
Send the command again.
Send the command again.
YES
YES
YES
NO
Is it
immediately
after downloading or
completion of on
online editing?
Replace the module.
NO
Are
READ/WRITE/DREF
instructions used more than
20 times during every
scanning?
NO
FC0605.EPS
Send the correct command after
referring to the "Personal
Computer Link Commands"
manual (IM 34M6P41-01E).
Error code=51
Reduce the number of
READ/WRITE/DREF
instructions that are executed
during every scanning.
Detailed error code=E1
• Reset CPU module.
• Turn on the power supply.
• Change the CPU module.
• Synchronize start up of the
sequence CPU with
transmission of the command.
• Send the command once again.
(Note) In a display where the transmission start time
can be set, delay the transmission start time.
In a display where setting is not possible,
delay the power on so that it is later than the
sequence CPU.