Mitsubishi Electric MELSEC-Q Series User Manual page 225

APPENDICES
Number Name
Error number that
SD50 Error reset
performs error reset
Bit pattern indicating
SD51 Battery low latch where battery voltage
drop occurred
Bit pattern indicating
where battery voltage
SD52 Battery low
drop occurred
AC/DC DOWN Number of times for
SD53
detection AC/DC DOWN
Blown fuse Number of module
SD60
number with blown fuse
I/O module
I/O module verification
verification error
SD61
error module number
number
Annunciator
Annunciator number
SD62
number
Number of Number of
SD63
annunciators annunciators
SD64
SD65
SD66
SD67
SD68
SD69
SD70
Table of
SD71
detected Annunciator detection
annunciator number
SD72
numbers
SD73
SD74
SD75
SD76
SD77
SD78
SD79
App - 9
Special Register List (Continued)
Meaning
• Stores error number that performs error reset
• All corresponding bits go ON when battery voltage drops.
• Subsequently, these remain ON even after battery voltage has been returned to
normal.
• Same configuration as SD51 above
• Subsequently, goes OFF when battery voltage is restored to normal.
• Every time the input voltage falls to or below 85% (AC power)/65% (DC power) of
the rating during calculation of the CPU module, the value is incremented by one
and stored in BIN.
• Value stored here is the lowest station I/O number of the module with the blown
fuse.
• The lowest I/O number of the module where the I/O module verification number
took place.
• The first annunciator number to be detected is stored here.
• Stores the number of annunciators searched.
When F goes ON due to OUT F or SET F , the F numbers which go
progressively ON from SD64 through SD79 are registered.
F numbers turned OFF by RST F are deleted from SD64 to SD79, and are shifted
to the data register following the data register where the deleted F numbers had
been stored.
Execution of the LED R instruction shifts the contents of SD64 to SD79 up by one.
(This can also be done by using the INDICATOR RESET switch on the front of the
CPU of the Q3A/Q4ACPU.)
After 16 annunciators have been detected, detection of the 17th will not be stored
from SD64 through SD79.
SD62 0
SD63 0
SD64 0
SD65 0
SD66 0
SD67 0
SD68 0
SD69 0
SD70 0
SD71 0
SD72 0
SD73 0
SD74 0
SD75 0
SD76 0
SD77 0
SD78 0
SD79 0
Explanation
-------------------------------------------------
0<
SET SET SET RST SET SET SET SET SET
F50 F25 F99 F25 F15 F70 F65 F38 F110
50 50 50 50 50 50 50 50 50
1 2 3 2 3 4 5 6
50 50 50 50 50 50 50 50 50
0 25 25 99 99 99 99 99 99
0 0 99 0 15 15 15 15 15
0 0 0 0 0 70 70 70 70
0 0 0 0 0 0 65 65 65
0 0 0 0 0 0 0 38 38
0 0 0 0 0 0 0 0 110 110 110 151
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
B0
>
CPU error
SET SET
F151 F210RSTF50
99 ...(Number
50 50
detected)
...(Number of
7 8 9 8
annunciators
detected)
50 50 99
99 99 15
15 15 70
70 70 65
65 65 38
38 38 110
0 151 151 210
(Number
0 0 210 0
detected)
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
MELSEC-Q
Set by (When set)
U
S (Error)
S (Error)
S (Error)
S (Error)
S (Error)
S (Instruction
execution)
App - 9