Appendices
A-142
CJ2 CPU Unit Software User’s Manual
A438 --- Pulse Output 2
Stop Error Code
If a Pulse Output Stop Error occurs for pulse output 2, the error
code is written to this word.
Retained Cleared • Cleared when an
origin search is
started.
• Refreshed when
a fatal pulse out-
put error occurs
during an origin
search.
• Refreshed when
the limit input sig-
nal for pulse out-
put is set to be
always enabled in
the PLC Setup
and pulse output
is stopped due to
the limit input.
• Cleared when
both limit inputs
are disabled and
a fatal pulse out-
put error code is
stored.
A439 --- Pulse Output 3
Stop Error Code
If a Pulse Output Stop Error occurs for pulse output 3, the error
code is written to this word.
Retained Cleared • Cleared when an
origin search is
started.
• Refreshed when
a fatal pulse out-
put error occurs
during an origin
search.
• Refreshed when
the limit input sig-
nal for pulse out-
put is set to be
always enabled in
the PLC Setup
and pulse output
is stopped due to
the limit input.
• Cleared when
both limit inputs
are disabled and
a fatal pulse out-
put error code is
stored.
A440 --- Max. Interrupt
Task Processing
Time
Contains the Maximum Interrupt Task Processing Time in units of
0.1 ms.
(This value is written after the interrupt task with the max. pro-
cessing time is executed and cleared when PLC operation
begins.)
Disabled when high-speed interrupt function is enabled in the
PLC Setup.
Cleared Cleared See Function col-
umn.
A441 --- Interrupt Task
With Max. Pro-
cessing Time
Contains the task number of the interrupt task with the maximum
processing time. Hexadecimal values 8000 to 80FF correspond to
task numbers 00 to FF. Bit 15 is turned ON when an interrupt has
occurred.
(This value is written after the interrupt task with the max. pro-
cessing time is executed and cleared when PLC operation
begins.)
Disabled when high-speed interrupt function is enabled in the
PLC Setup.
Cleared Cleared See Function col-
umn.
Address
Name Function
Status
after mode
change
Status at
startup
Write timing/
Related flags, set-
tings
Words Bits
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