Omron SYSMAC CJ Series User Manual page 146

7 High-speed Counters
Name
High-speed
Counter 0 Range
Comparison Con-
dition 1 In-range
Flag
High-speed
Counter 0 Range
Comparison Con-
dition 2 In-range
Flag
High-speed
Counter 0 Range
Comparison Con-
dition 3 In-range
Flag
High-speed
Counter 0 Range
Comparison Con-
dition 4 In-range
Flag
High-speed
Counter 0 Range
Comparison Con-
dition 5 In-range
Flag
High-speed
Counter 0 Range
Comparison Con-
dition 6 In-range
Flag
High-speed
Counter 0 Range
Comparison Con-
dition 7 In-range
Flag
High-speed
Counter 0 Range
Comparison Con-
dition 8 In-range
Flag
High-speed
Counter 0 Compar-
ison In-progress
Flag
High-speed
Counter 0 Over-
flow/Underflow
Flag
7-36
Word/Bit Function
A274.00 These flags indicate whether the
PV is within any of the eight ranges
when high-speed counter 0 is being
operated in range-comparison
mode with upper and lower limits.
A274.01
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.
A274.02
OFF: Not in range
ON: In range
A274.03
A274.04
A274.05
A274.06
A274.07
A274.08 This flag indicates whether a com-
parison operation is being executed
for high-speed counter 0.
OFF: Stopped.
ON: Being executed.
A274.09 This flag indicates when an over-
flow or underflow has occurred in
the high-speed counter 0 PV.
(Used only when the counting mode
is set to Linear Mode.)
OFF: Normal
ON: Overflow or underflow
Read/Write Refresh timing
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 to read the
results of range compar-
ison.
• Refreshed when
INI(880) instruction is
executed to change PV
or ring counter maxi-
mum value.
• Refreshed when the
counter is reset.
Read • Cleared when power is
turned ON.
• Cleared when starting
operation.
• Refreshed when start-
ing/stopping compari-
son.
Read • Cleared when power is
turned ON.
• Cleared when opera-
tion starts.
• Cleared when the PV is
changed.
• Refreshed when an
overflow or underflow
occurs.
CJ2M CPU Unit Pulse I/O Module User's Manual