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Appendix C
Auxiliary Area
Address
Words
Name
A281
A28100 Pulse Output
1 Accel/Decel
(CJ1M
Flag
CPU
Units
with
built-in I/
O only.)
458
Function
Settings
Bits
Status
after
mode
change
Status
at startup
Write
timing
Related
flags, settings
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 decelerating).
Cleared when operation starts or
stops.
0: Constant speed
1: Accelerating or decelerating
---
---
Cleared
Refreshed
each cycle
during
oversee
process.
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
---
---
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 output 1 has been
set with the PULS(886) instruction.
Cleared when operation starts or
stops.
0: No setting
1: Setting made
---
---
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)
instruction has been output through
pulse output 1.
Cleared when operation starts or
stops.
0: Output not completed.
1: Output completed.
---
---
Cleared
Refreshed --when
PULS(886)
(886)
instruction
is executed.
Refreshed
at the start
or completion of
pulse output.
A28104 Pulse Output
1 Output Inprogress Flag
ON when pulses are being output
from pulse output 1.
Cleared when operation starts or
stops.
0: Stopped
1: Outputting pulses.
---
---
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.
---
---
Cleared
Refreshed
each cycle
during
overseeing processes.
---
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.
---
---
Cleared
Refreshed
each cycle
during
overseeing processes.
---
---