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I
APPENDICES
- - - - - - - - - - - - - - - - - - - - MELSEC-A
Table 3.1 List of Special Registers (Continued)
Stored
Related
Related
Number
Name
Data
Explanation
Special
Special
Relays
Register.
Slep
• When operation error has occurred during
number
execution of application instruction, the step
Error
at which
number, at which the error has occurred, is stored
09011
step
operation
in BIN code. Since storage into D9011 is made
M9011
-
error has
when M9011 changes from off to on, the contents
occurred
of
09010
cannot be renewed unless M9011 is
cleared
by user program.
I/O
I/O
• The set mode is represented as follows:
control
o
=
110
in direct mode
09014
control
mode
1
=
Input in refresh mode, output in direct mode
-
-
mode
number
3
=
I/O
in refresh mode
• The operating states of CPU as shown below are
stored in 09015.
815.... 812811 .......8887......... 8483.......... 80
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CPU RUN/STOP switch: Remains
unchanged in remote run/stop
mode.
0
RUN
1
STOP
CPU
Operating
09015
operating
states of
-
-
states
CPU
Remote RUN/STOP by parameter
0
RUN
1
STOP
2
PAUSE '1
Status in program
0
Except below
1
[STOP] instruction execution
'1
When the CPU is in RUN mode and M9040 is off,
the CPU remains in RUN mode if changed to
PAUSE mode.
APP -11

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