Omron CP1H CPU

653
Auxiliary Area Allocations by Address Appendix D
A321 A321.00 High-speed
Counter 3
Range 1 Com-
parison Condi-
tion Met Flag
These flags indicate whether the PV
is within the specified ranges when
high-speed counter 3 is being oper-
ated in range-comparison mode.
Cleared when operation starts.
Cleared when range comparison
table is registered.
OFF: PV not in range
ON: PV in range
--- --- Cleared Refreshed
each cycle
during
oversee-
ing pro-
cess.
Refreshed
when
PRV(881)
instruction
is exe-
cuted for
the corre-
sponding
counter.
---
A321.01 High-speed
Counter 3
Range 2 Com-
parison Condi-
tion Met Flag
A321.02 High-speed
Counter 3
Range 3 Com-
parison Condi-
tion Met Flag
A321.03 High-speed
Counter 3
Range 4 Com-
parison Condi-
tion Met Flag
A321.04 High-speed
Counter 3
Range 5 Com-
parison Condi-
tion Met Flag
A321.05 High-speed
Counter 3
Range 6 Com-
parison Condi-
tion Met Flag
A321.06 High-speed
Counter 3
Range 7 Com-
parison Condi-
tion Met Flag
A321.07 High-speed
Counter 3
Range 8 Com-
parison Condi-
tion Met Flag
A321.08 High-speed
Counter 3
Comparison
In-progress
Flag
This flag indicates whether a com-
parison operation is being executed
for high-speed counter 3.
Cleared when operation starts.
OFF: Stopped.
ON: Being executed
--- --- Cleared Refreshed
when com-
parison
operation
starts or
stops.
---
A321.09 High-speed
Counter 3
Overflow/
Underflow
Flag
This flag indicates when an overflow
or underflow has occurred in the
high-speed counter 3 PV. (Used with
the linear mode counting range only.)
Cleared when operation starts.
Cleared when the PV is changed.
OFF: Normal
ON: Overflow or underflow
--- --- Cleared Refreshed
when an
overflow or
underflow
occurs.
---
A321.10 High-speed
Counter 3
Count Direc-
tion
This flag indicates whether the high-
speed counter is currently being
incremented or decremented. The
counter PV for the current cycle is
compared with the PC in last cycle to
determine the direction.
OFF: Decrementing
ON: Incrementing
--- --- Cleared Setting
used for
high-speed
counter,
valid dur-
ing counter
operation.
---
Address Name Function Settings Status
after
mode
change
Status
at star-
tup
Write
timing
Related
flags, set-
tings
Words Bits