Omron CJ2M-CPU Series - Related Auxiliary Area Words and Bits

7-35
7 High-speed Counters
CJ2M CPU Unit Pulse I/O Module User’s Manual
7-4 Related Auxiliary Area Words and Bits
7
7-4 Related Auxiliary Area Words and
Bits
Related Auxiliary Area Words and Bits
Name Word/Bit Function Read/Write Refresh timing
High-speed
counter 0 PV
A270 to
A271
Contain the PVs of high-speed
counters 0 to 3.
Lower four digits: A270, A272,
A316, and A318
Upper four digits: A271, A273,
A317, and A319
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 PV
or status.
• Refreshed when
PRV2(883) instruction is
executed to convert
high-speed counter PV
to total number of
pulses.
• Refreshed when
INI(880) instruction is
executed to change PV
or ring counter maxi-
mum value.
High-speed
counter 1 PV
A272 to
A273
High-speed
counter 2 PV
A316 to
A317
High-speed
counter 3 PV
A318 to
A319