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Auxiliary Area Data Allocation Section 4-3
Pulse Output 1
Overflow/Underflow
Flag
A28101 This flag indicates when an overflow or under-
flow has occurred in the pulse output 1 PV.
0: Normal
1: Overflow or underflow
Read only • Cleared when
power is turned
ON.
• Cleared when
operation starts.
• Cleared when the
PV is changed by
the INI(880)
instruction.
• Refreshed when
an overflow or
underflow occurs.
Pulse Output 1 Out-
put Amount Set Flag
A28102 ON when the number of output pulses for pulse
output 1 has been set with the PULS instruction.
0: No setting
1: Setting made
Read only • Cleared when
power is turned
ON.
• Cleared when
operation starts or
stops.
• Refreshed when
the PULS instruc-
tion is executed.
• Refreshed when
pulse output
stops.
Pulse Output 1 Out-
put Completed Flag
A28103 ON when the number of output pulses set with
the PULS/PLS2 instruction has been output
through pulse output 1.
0: Output not completed.
1: Output completed.
Read only • Cleared when
power is turned
ON.
• Cleared when
operation starts or
stops.
• Refreshed at the
start or comple-
tion of pulse out-
put in
independent
mode.
Pulse Output 1 Out-
put In-progress Flag
A28104 ON when pulses are being output from pulse
output 1.
0: Stopped
1: Outputting pulses.
Read only • Cleared when
power is turned
ON.
• Cleared when
operation starts or
stops.
• Refreshed when
pulse output
starts or stops.
Pulse Output 1 No-
origin Flag
A28105 ON when the origin has not been determined for
pulse output 1 and goes OFF when the origin
has been determined.
0: Origin established.
1: Origin not established.
Read only • Turned ON when
power is turned
ON.
• Turned ON when
operation starts.
• Refreshed when
pulse output
starts or stops.
• Refreshed each
cycle during the
overseeing pro-
cesses.
Pulse Output 1 At-
origin Flag
A28106 ON when the pulse output PV matches the ori-
gin (0).
0: Not stopped at origin.
1: Stopped at origin.
Read only • Cleared when
power is turned
ON.
• Refreshed each
cycle during the
overseeing pro-
cesses.
Name Address Description Read/Write Times when data is
accessed
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