Diagnostic Information - Mitsubishi Electric MELSEC iQ-R-R00CPU User Manual

Diagnostic information

The following is the list of special register areas relating to the diagnostic information.
No. Name
SD0 Latest self
diagnostics error
code
SD1 Latest self-
diagnostics error
time
SD2
SD3
SD4
SD5
SD6
SD7
SD10 Self-diagnostic
error number
SD11
SD12
SD13
SD14
SD15
SD16
SD17
SD18
SD19
SD20
SD21
SD22
SD23
SD24
SD25
SD49 Error detection
invalidation
setting
APPX
834
Appendix 5 List of Special Register Areas
Data stored Details
Latest self Error codes are stored in a hexadecimal value when the diagnostics detects
diagnostics error an error.
code
Latest self- The year value (four digits) of the date/time when SD0 data was updated is
diagnostics error stored as a BIN code.
time
The month value of the date/time when SD0 data was updated is stored as a
BIN code.
The day value of the date/time when SD0 data was updated is stored as a
BIN code.
The hour value of the date/time when SD0 data was updated is stored as a
BIN code.
The minute value of the date/time when SD0 data was updated is stored as a
BIN code.
The second value of the date/time when SD0 data was updated is stored as
a BIN code.
The day of the week value of the date/time when SD0 data was updated is
stored as a BIN code. (0: Sun, 1: Mon, 2: Tue, 3: Wed, 4: Thu, 5: Fri, 6: Sat)
Self-diagnostic The maximum of 16 types of error codes are stored into SD10 onwards when
error number 1 the diagnostics detects an error (The same error code as one already stored
in SD10 onwards is not stored). The 17th error code onwards are not stored.
Self-diagnostic
Also error codes are not stored when 16 types of error codes have already
error number 2
been stored into SD10 to SD25.
Self-diagnostic
error number 3
Self-diagnostic
error number 4
Self-diagnostic
error number 5
Self-diagnostic
error number 6
Self-diagnostic
error number 7
Self-diagnostic
error number 8
Self-diagnostic
error number 9
Self-diagnostic
error number 10
Self-diagnostic
error number 11
Self-diagnostic
error number 12
Self-diagnostic
error number 13
Self-diagnostic
error number 14
Self-diagnostic
error number 15
Self-diagnostic
error number 16
Error detection Specify a function for which detection of continuation errors is invalidated.
invalidation (On: Invalidate (do not detect an error), Off: Do not invalidate (detect an
setting error))
b0: Built-in Ethernet port communication error
b0
Set by CPU
(setting
timing)
S (Error) ALL
S (Error) ALL
ALL
ALL
ALL
ALL
ALL
ALL
S (Error) ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
ALL
*1
U Rn
*1
RnP