70
Auxiliary Area Data Allocation Section 4-3
High-speed Counter
0
Count Direction
A27410 This flag indicates whether the high-speed
counter is currently being incremented or decre-
mented. The counter PV for the current cycle is
compared with the PC in last cycle to determine
the direction.
0: Decrementing
1: Incrementing
Read only • Setting used for
high-speed
counter, valid dur-
ing counter opera-
tion.
High-speed Counter
1
Range 1 Compari-
son Condition Met
Flag
A27500 These flags indicate whether the PV is within the
specified ranges when high-speed counter 1 is
being operated in range-comparison mode.
0: PV not in range
1: PV in range
Read only • Cleared when
power is turned
ON.
• Cleared when
operation starts.
• Refreshed each
cycle during over-
seeing process.
• Refreshed when
PRV(881) instruc-
tion is executed
for the corre-
sponding counter.
High-speed Counter
1
Range 2 Compari-
son Condition Met
Flag
A27501 Read only
High-speed Counter
1
Range 3 Compari-
son Condition Met
Flag
A27502 Read only
High-speed Counter
1
Range 4 Compari-
son Condition Met
Flag
A27503 Read only
High-speed Counter
1
Range 5 Compari-
son Condition Met
Flag
A27504 Read only
High-speed Counter
1
Range 6 Compari-
son Condition Met
Flag
A27505 Read only
High-speed Counter
1
Range 7 Compari-
son Condition Met
Flag
A27506 Read only
High-speed Counter
1
Range 8 Compari-
son Condition Met
Flag
A27507 Read only
High-speed Counter
1
Comparison In-
progress Flag
A27508 This flag indicates whether a comparison opera-
tion is being executed for high-speed counter 1.
0: Stopped.
1: Being executed.
Read only • Cleared when
power is turned
ON.
• Cleared when
operation starts.
• Refreshed when
comparison oper-
ation starts or
stops.
Name Address Description Read/Write Times when data is
accessed
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