Omron CJ2M-CPU Series - Page 147

7-37
7 High-speed Counters
CJ2M CPU Unit Pulse I/O Module User’s Manual
7-4 Related Auxiliary Area Words and Bits
7
High-speed
Counter 0 Count
Direction
A274.10 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 PV in last
cycle to determine the result.
OFF: Decrementing
ON: Incrementing
Read • Setting used for high-
speed counter, valid
during counter opera-
tion.
• Refreshed each cycle
during overseeing pro-
cess.
• Refreshed when
PRV(881) instruction is
executed to read the PV
or status.
High-speed
Counter 1 Range
Comparison Con-
dition 1 In-range
Flag
A275.00 These flags indicate whether the
PV is within any of the eight ranges
when high-speed counter 1 is being
operated in range-comparison
mode with upper and lower limits.
The In-range Flags, however, will be
ON whenever the comparison value
is within the range regardless of the
whether the high-speed counter is
set to execute the interrupt task
when the range is entered or left.
OFF: Not in range
ON: In range
Read • Cleared when power is
turned ON.
• Cleared when opera-
tion starts.
• Refreshed each cycle
during overseeing pro-
cess.
• Refreshed when
PRV(881) instruction is
executed for the corre-
sponding counter.
• Refreshed when
INI(880) instruction is
executed to change PV
or ring counter maxi-
mum value.
•Reset
High-speed
Counter 1 Range
Comparison Con-
dition 2 In-range
Flag
A275.01
High-speed
Counter 1 Range
Comparison Con-
dition 3 In-range
Flag
A275.02
High-speed
Counter 1 Range
Comparison Con-
dition 4 In-range
Flag
A275.03
High-speed
Counter 1 Range
Comparison Con-
dition 5 In-range
Flag
A275.04
High-speed
Counter 1 Range
Comparison Con-
dition 6 In-range
Flag
A275.05
High-speed
Counter 1 Range
Comparison Con-
dition 7 In-range
Flag
A275.06
High-speed
Counter 1 Range
Comparison Con-
dition 8 In-range
Flag
A275.07
High-speed
Counter 1 Compar-
ison In-progress
Flag
A275.08 This flag indicates whether a com-
parison operation is being executed
for high-speed counter 1.
OFF: Stopped
ON: Being executed
Read • Cleared when power is
turned ON.
• Cleared when starting
operation.
• Refreshed when start-
ing/stopping compari-
son.
Name Word/Bit Function Read/Write Refresh timing