Omron CJ - 09-2009 Operation Manual page 651

Auxiliary Area
Address Name
Words Bits
A274 A27400 High-speed
(See Counter 0
note.)
Range 1 Com-
parison Condi-
tion Met Flag
A27401 High-speed
Counter 0
Range 2 Com-
parison Condi-
tion Met Flag
A27402 High-speed
Counter 0
Range 3 Com-
parison Condi-
tion Met Flag
A27403 High-speed
Counter 0
Range 4 Com-
parison Condi-
tion Met Flag
A27404 High-speed
Counter 0
Range 5 Com-
parison Condi-
tion Met Flag
A27405 High-speed
Counter 0
Range 6 Com-
parison Condi-
tion Met Flag
A27406 High-speed
Counter 0
Range 7 Com-
parison Condi-
tion Met Flag
A27407 High-speed
Counter 0
Range 8 Com-
parison Condi-
tion Met Flag
A27408 High-speed
Counter 0
Comparison
In-progress
Flag
A27409 High-speed
Counter 0
Overflow/
Underflow
Flag
A27410 High-speed
Counter 0
Count Direc-
tion
Function
These flags indicate whether the PV is within the
specified ranges when high-speed counter 0 is being
operated in range-comparison mode.
Cleared at beginning of operation.
Cleared when range comparison table is registered.
0: PV not in range
1: PV in range
This flag indicates whether a comparison operation is
being executed for high-speed counter 0.
Cleared at beginning of operation.
0: Stopped.
1: Being executed.
This flag indicates when an overflow or underflow
has occurred in the high-speed counter 0 PV. (Used
with the linear mode counting range only.)
Cleared when operation starts.
Cleared when PV is changed.
0: Normal
1: Overflow or underflow
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
PLC in last cycle to determine the direction.
0: Decrementing
1: Incrementing
Appendix C
Status Status Write timing/
after at star- Related flags,
mode tup settings
change
Cleared Cleared Refreshed each cycle
during oversee pro-
cess.
Refreshed when
PRV(881) instruction is
executed.
Retained Cleared Refreshed when com-
parison operation starts
or stops.
Cleared Cleared Refreshed when an
overflow or underflow
occurs.
Retained Cleared Setting used for high-
speed counter, valid
during counter opera-
tion.
603