604
Auxiliary Area Appendix C
A275
(See
note.)
A27500 High-speed
Counter 1
Range 1 Com-
parison Condi-
tion Met Flag
These flags indicate whether the PV is within the
specified ranges when high-speed counter 1 is being
operated in range-comparison mode.
Cleared when operation starts.
Cleared when range comparison table is registered.
0: PV not in range
1: PV in range
Cleared Cleared Refreshed each cycle
during overseeing pro-
cess.
Refreshed when
PRV(881) instruction is
executed for the corre-
sponding counter.
A27501 High-speed
Counter 1
Range 2 Com-
parison Condi-
tion Met Flag
A27502 High-speed
Counter 1
Range 3 Com-
parison Condi-
tion Met Flag
A27503 High-speed
Counter 1
Range 4 Com-
parison Condi-
tion Met Flag
A27504 High-speed
Counter 1
Range 5 Com-
parison Condi-
tion Met Flag
A27505 High-speed
Counter 1
Range 6 Com-
parison Condi-
tion Met Flag
A27506 High-speed
Counter 1
Range 7 Com-
parison Condi-
tion Met Flag
A27507 High-speed
Counter 1
Range 8 Com-
parison Condi-
tion Met Flag
A27508 High-speed
Counter 1
Comparison
In-progress
Flag
This flag indicates whether a comparison operation is
being executed for high-speed counter 1.
Cleared when operation starts.
0: Stopped.
1: Being executed
Retained Cleared Refreshed when com-
parison operation starts
or stops.
A27509 High-speed
Counter 1
Overflow/
Underflow
Flag
This flag indicates when an overflow or underflow
has occurred in the high-speed counter 1 PV. (Used
with the linear mode counting range only.)
Cleared when operation starts.
Cleared when the PV is changed.
0: Normal
1: Overflow or underflow
Cleared Cleared Refreshed when an
overflow or underflow
occurs.
A27510 High-speed
Counter 1
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.
0: Decrementing
1: Incrementing
Retained Cleared Setting used for high-
speed counter, valid
during counter opera-
tion.
Address Name Function Status
after
mode
change
Status
at star-
tup
Write timing/
Related flags,
settings
Words Bits
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