606
Auxiliary Area Appendix C
A281
(See
note.)
A28100 Pulse Output
1 Accel/Decel
Flag
This flag will be ON when pulses are being output
from pulse output 1 according to an ACC(888) or
PLS2(887) instruction and the output frequency is
being changed in steps (accelerating or decelerat-
ing).
Cleared when operation starts or stops.
0: Constant speed
1: Accelerating or decelerating
Retained Cleared Refreshed each cycle
during oversee pro-
cess.
A28101 Pulse Output
1
Overflow/
Underflow
Flag
This flag indicates when an overflow or underflow
has occurred in the pulse output 1 PV.
Cleared when operation starts.
0: Normal
1: Overflow or underflow
Retained Cleared Refreshed when the
PV is changed by the
INI(880) instruction.
Refreshed when an
overflow or underflow
occurs.
A28102 Pulse Output
1 Output
Amount Set
Flag
ON when the number of output pulses for pulse out-
put 1 has been set with the PULS(886) instruction.
Cleared when operation starts or stops.
0: No setting
1: Setting made
Retained Cleared Refreshed when the
PULS(886) instruction
is executed.
A28103 Pulse Output
1 Output
Completed
Flag
ON when the number of output pulses set with the
PULS(886) or PLS2(887) instruction has been output
through pulse output 1.
Cleared when operation starts or stops.
0: Output not completed.
1: Output completed.
Retained Cleared Refreshed when
PULS(886)(886)
instruction is executed.
Refreshed at the start
or completion of pulse
output.
A28104 Pulse Output
1 Output In-
progress Flag
ON when pulses are being output from pulse output
1.
Cleared when operation starts or stops.
0: Stopped
1: Outputting pulses.
Retained Cleared Refreshed when pulse
output starts or stops.
A28105 Pulse Output
1 No-origin
Flag
ON when the origin has not been determined for
pulse output 1 and goes OFF when the origin has
been determined.
Turned ON when power is turned ON.
Turned ON when operation starts.
0: Origin established.
1: Origin not established.
Retained ON Refreshed each cycle
during overseeing pro-
cesses.
A28106 Pulse Output
1 At-origin
Flag
ON when the pulse output PV matches the origin (0).
0: Not stopped at origin.
1: Stopped at origin.
Retained Cleared Refreshed each cycle
during overseeing pro-
cesses.
A28107 Pulse Output
1 Output
Stopped Error
Flag
ON when an error occurred while outputting pulses in
the pulse output 1 origin search function.
The Pulse Output 1 Output Stop Error code will be
written to A445.
0: No error
1: Stop error occurred.
Retained Cleared Refreshed when origin
search starts.
Refreshed when pulse
output stop error
occurs.
A283
(See
note.)
A28300 PWM(891)
Output 0 Out-
put In-
progress Flag
ON when pulses are being output from PWM(891)
output 0.
0: Stopped
1: Outputting pulses.
Retained Cleared Refreshed when pulse
output starts or stops.
A28308 PWM(891)
Output 1 Out-
put In-
progress Flag
ON when pulses are being output from PWM(891)
output 1.
0: Stopped
1: Outputting pulses.
Retained Cleared
A294 All Task Number
when Program
Stopped
This word contains the task number of the task that
was being executed when program execution was
stopped because of a program error.
Normal tasks: 0000 to 001F
(task 0 to 31)
Interrupt tasks: 8000 to 80FF
(task 0 to 255)
(A298 and A299 contain the program address where
program execution was stopped.)
Cleared Cleared A298/A299
Address Name Function Status
after
mode
change
Status
at star-
tup
Write timing/
Related flags,
settings
Words Bits
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