Mitsubishi QJ71LP21 Reference Manual page 404

APPENDIX
Number Name Meaning
Error number that
SD50 Error reset
performs error reset
AC DOWN AC DOWN Number
SD53
of time for
detection
Blown fuse Number of module
SD60
number with blown fuse
I/O module I/O module
verification verification error
SD61
error number module number
CH1
Stores the preset
transmission
transmission speed
SD105 speed
when GX
setting
Developer is used.
(RS232)
Error No. for
Module No. which
external
SD120 has external power
power
supply error
supply OFF
App - 36
Special Register List (Continued)
Explanation
• Stores error number that performs error reset
• Each time the voltage falls below 85% of normal (AC power/65%
DC power) while the CPU module is calculating, it will be saved
as a BIN code with 1 added to the value.
• 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.
K3 : 300bps, K6 : 600bps, K24 : 2400bps, K48 : 4800bps
K96 : 9600bps, K192 : 19.2kbps, K384 : 38.4kbps
K576 : 57.6kbps, K1152 : 115.2kbps
• Stores the smallest head No. of the module whose external
power supply is OFF.
Applicable only for Q-series modules (For future use)
MELSEC-Q
Corresponding
Set by
ACPU
(When set)
D9
U New
S (Error) D9005
S (Error) D9000
S (Error) D9002
S New
S (Error) New
Applicable
CPU
+ Rem
+ Rem
+ Rem
QCPU
Remote
QCPU
Remote
App - 36