App
- 47
Appendix 2 Special Register List
APPENDICES
Number
Name
Meaning
Explanation
Set by
(When Set)
Corres-
ponding
ACPU
D9
Corresponding
CPU
SD203
Operating
status of CPU
Operating status
of CPU
• The operating status of the remote I/O module is stored in the following
format.
1) Remote I/O module operating statusAlways 2: STOP
S (Always)
New
Rem
• The CPU operating status is stored as indicated in the following figure:
S (Every END
processing)
D9015
format
change
SD204
LED display
color
CPU-LED display
color
• The LED display color of the LED status shown in SD201 1) to 8).
S (status
change)
New
QnU
b15
b4 b3
b0
1)
to
to
b15
b12 b11
b8 b7
b4 b3
b0
1)
to
to
to
to
2)
1): Operating status
of CPU
0:
1:
2:
3:
2): STOP/PAUSE
cause
0:
1:
2:
3:
4: Error
RUN
STEP-RUN (For the QnACPU only)
STOP
PAUSE
Instruction in remote operation program
from RUN/STOP switch ("RUN/STOP/
RESET switch" for Basic model QCPU)
Remote contact
Remote operation from GX Developer/
serial communication, etc.
Internal program instruction
Note: Priority is
earliest first
b15
b12
b11
b8 b7
b4 b3
b0
1)RUN LED
0: OFF
1: Green
2)ERROR LED
0: OFF
1: Red
3)USER LED
0: OFF
1: Red
4)BAT. LED
0: Empty
1: Yellow
2: Green
8)MODE LED
0: OFF
1: Green
5)BOOT LED
0: OFF
1: Green
6)Empty
7)Empty
