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APPENDICES
Number
Name
Meaning
Status of
SD201
LED status
CPU-LED
LED off
Bit pattern of LED
SD202
command
that is turned off
Operating
Operating status
SD203
status of CPU
of CPU
App
Appendix 2 Special Register List
- 41
TableApp.20 Special register
Explanation
• The following bit patterns are used to store the statuses of the LEDs on
the CPU module:
• 0 is off, 1 is on, and 2 is flicker.
to
to
b15
b12b11
b8 b7
8)
7)
6)
5)
1): RUN
5): BOOT
2): ERR.
6): Empty
3): USER
7): Empty
4): BAT.
8): MODE
(The Basic model QCPU does not include 3) to 8).)
• Information concerning which of the following status the LEDs on the
CPU module are in is stored in the following bit patterns:
• 0 is off, 1 is on, and 2 is flicker
b15
to
b12b11
to
b8 b7
8)
7)
6)
5)
1): RUN
5)BOOT
2): ERROR
6): CARD A (memory card A)
3): USER
7): CARD B (memory card B)
4): BAT.ALARM
8): Empty
• Stores bit patterns of LEDs turned off
(Only USER and BOOT enabled)
• Turned off at 1, not turned off at 0
• Specify the LEDs to be turned off using this register, and turn SM202
from OFF to ON to turn off the specified LEDs.
USER and BOOT can be specified as the LEDs to be turned off.
• Specify the LEDs to be turned off in the following bit pattern.
(Turned off at 1, not be turned off at 0.)
b15
b8
Fixed
Fixed
to 0
to 0
• The operating status of the remote I/O module is stored in the following
format.
b15
to
1) Remote I/O module operating statusAlways 2: STOP
• The CPU operating status is stored as indicated in the following figure:
b15
to
b12 b11
to
b8 b7
1): Operating status
0:
RUN
of CPU
1:
STEP-RUN ("Vacancy" for Basic model
QCPU, Process CPU and Redundant
CPU)
2:
STOP
3:
PAUSE
2): STOP/PAUSE
0:
Instruction in remote operation program
cause
from RUN/STOP switch ("RUN/STOP/
RESET switch" for Basic model QCPU)
1:
Remote contact
2:
GX Developer/serial communication, etc.
3:
Internal program instruction
Note: Priority is
earliest first
4: Error
to
to
b4 b3
b0
4)
3)
2)
1)
Mode bit pattern
0: OFF 1: Green
2: Orange
to
b4 b3
to
b0
4)
3)
2)
1)
b4
b0
Fixed
to 0
USER
LED
BOOT
LED
b4 b3
to
b0
1)
to
b4 b3
to
b0
2)
1)
Corres-
ponding
Set by
Corresponding
ACPU
(When set)
D9
S (Status
New
change)
S (Status
New
change)
U
New
U
New
S (Always)
New
D9015
S (Every END
format
processing)
change
CPU
QCPU
QnA
Qn(H)
QnPH
QnPRH
Rem
- Quick Links:
- Features of Basic Model Qcpu
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