Omron CJ1M-CPU21 - Page 114

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HIGH-SPEED COUNTER PV READ: PRV(881) Section 5-2
■ Reading Status (C = 0001 hex)
If C is 0001 hex, PRV(881) reads status as shown in the following table.
■ Reading the Results of Range Comparison (C = 0002 hex)
If C is 0002 hex, PRV(881) reads the results of range comparison and stores it
in D as shown in the following diagram.
Port and
mode
Operation Results of reading
Pulse out-
put
The pulse
output sta-
tus is
stored in
D.
High-
speed
counter
input
The high-
speed
counter
status is
stored in
D.
PWM(891)
output
The
PWM(891)
output is
stored in
D.
015
D
000 0 0 0 0 0
Pulse Output Stopped Error Flag
OFF: No error
ON: Pulse out
p
ut sto
pp
ed due to error
Pulse Output Status Flag
OFF: Constant speed
ON: Accelerating/decelerating
PV Overflow/Underflow Flag
OFF: Normal
ON: Error
Pulse Output Amount Set Flag
OFF: Not set
ON: Set
Pulse Output Completed Flag
OFF: Output not completed
ON: Output completed
Pulse Output In-progress Flag
OFF: Stopped
ON: Outputting
No-origin Flag
OFF: Origin established
ON: Origin not established
At-origin Flag
OFF: Not stopped at origin
ON: Stopped at origin
015
D
000 0 0 0 0 0 000000
Comparison In-progress Fla
g
OFF: Stopped
ON: Comparing
PV Overflow/Underflow Flag
OFF: Normal
ON: Error
015
D
000 0 0 0 0 0 0000000
Pulse Output In-progress Flag
OFF: Stopped
ON: Out
p
uttin
g
015
D
000 0 0 0 0 0
Comparison Result 1
OFF: Not in range ON: In range
Comparison Result 2
OFF: Not in range ON: In range
Comparison Result 3
OFF: Not in range ON: In range
Comparison Result 4
OFF: Not in range ON: In range
Comparison Result 5
OFF: Not in range ON: In range
Comparison Result 6
OFF: Not in range ON: In range
Comparison Result 7
OFF: Not in range ON: In range
Comparison Result 8
OFF: Not in range ON: In range