Mitsubishi Electric MELSEC iQ-R Series User Manual page 284

System information
The special registers for system information are as follows.
No. Name
SD160 Firmware version
SD200 Switch status
SD201 LED status
SD203 Y output status
SD218 Time zone setting
value
APPX
282
Appendix 5 Special Register List
Description Details
Firmware version The firmware version is stored.
CPU switch status The switch status of the CPU module is stored as follows:
(BUS RESET/Y 0: Y OUT, 1: Y STOP
STOP/Y OUT
switch)
CPU-LED status The information that indicates the LED status of the CPU module is stored
in the following bit patterns.
0: OFF, 1: ON, 2: Flashing (high speed/low speed)
b15
(8)
(1) READY
(2) ERROR
(3) OS
(4) Y STOP
(5) CFast
(6) OVERCURRENT
(7) INFORMATION
(8) Reserved
Y output status The Y output status of this product is stored as follows:
0: Y OUT, 1: Reserved, 2: Y STOP, 3: PAUSE
Time zone (minute) The value of the set time zone converted to minutes is stored.
(Example) When the time zone setting value is 'UTC+9,' 9  60 (minute) =
540
b12 b11 b8 b7
(7) (6) (5) (4)
Set by (when to set)
S (initial)
S (key switch change)
S (status change)
b4 b3 b0
(3) (2) (1)
S (system)
S (status change)