A-57
Appendices
CP1E CPU Unit Software User’s Manual(W480)
A-2 Auxiliary Area Allocations by Address
App
A-2-1 Read-only Words
A281 00 Pulse Output 1
Accel/Decel Flag
This flag will be ON when pulses are
being output from pulse output 1
according to an ORG, ACC or PLS2
instruction and the output frequency is
being changed in steps (accelerating
or decelerating).
• Cleared when operation starts or
stops.
OFF: Constant speed
ON: Accelerating or decelerating
Cleared Refreshed
each cycle
during the
overseeing
processes.
01 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.
OFF: Normal
ON: Overflow or underflow
Cleared • Refreshed
when the PV
is changed
by the INI
instruction.
• Refreshed
when an
overflow or
underflow
occurs.
02 Pulse Output 1
Output Amount Set
Flag
ON when the number of output pulses
for pulse output 1 has been set with the
PULS instruction.
• Cleared when operation starts or
stops.
OFF: No setting
ON: Setting made
Cleared • Refreshed
when the
PULS
instruction is
executed.
• Refreshed
when pulse
output stops.
03 Pulse Output 1
Output Completed
Flag
ON when the number of output pulses
set with the PULS or PLS2 instruction
has been output through pulse output
1.
• Cleared when operation starts or
stops.
OFF: Output not completed.
ON: Output completed.
Cleared Refreshed at
the start or
completion of
pulse output.
04 Pulse Output 1
Output In-progress
Flag
ON when pulses are being output from
pulse output 1.
• Cleared when operation starts or
stops.
OFF: Stopped
ON: Outputting pulses.
Cleared Refreshed
when pulse
output starts or
stops.
05 Pulse Output 1 No-ori-
gin Flag
ON when the origin has not been
determined for pulse output 1 and goes
OFF when the origin has been deter-
mined.
• Turned ON when power is turned
ON.
• Turned ON when operation starts.
OFF: Origin established.
ON: Origin not established.
Cleared Refreshed
each cycle
during over-
seeing pro-
cesses.
06 Pulse Output 1
At-origin Flag
ON when the pulse output 1 PV
matches the origin (0).
OFF: Not stopped at origin.
ON: Stopped at origin.
Cleared Refreshed
each cycle
during over-
seeing pro-
cesses.
07 Pulse Output 1
Output Stopped Error
Flag
ON when an error occurred while out-
putting pulses in the pulse output 1 ori-
gin search function.
The Pulse Output 1 Output Stop Error
code will be written to A445.
OFF: No error
ON: Stop error occurred.
Cleared • Refreshed
when origin
search
starts.
• Refreshed
when pulse
output stop
error occurs.
Address
Name Function Settings
Status
after
mode
change
Status at
startup
Write
timing
Related
flags,
settings
Words Bits