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539
Auxiliary Area Allocations by Address
Appendix D
A274
A274.00 High-speed
Counter 0
Range 1 Com-
parison Condi-
tion Met Flag
These flags indicate whether the PV
is within the specified ranges when
high-speed counter 0 is being oper-
ated in range-comparison mode.
Cleared at beginning of operation.
Cleared when range comparison
table is registered.
OFF: PV not in range
ON: PV in range
---
---
Cleared
Refreshed
each cycle
during
oversee
process.
Refreshed
when
PRV(881)
instruction
is exe-
cuted.
---
A274.01 High-speed
Counter 0
Range 2 Com-
parison Condi-
tion Met Flag
A274.02 High-speed
Counter 0
Range 3 Com-
parison Condi-
tion Met Flag
A274.03 High-speed
Counter 0
Range 4 Com-
parison Condi-
tion Met Flag
A274.04 High-speed
Counter 0
Range 5 Com-
parison Condi-
tion Met Flag
A274.05 High-speed
Counter 0
Range 6 Com-
parison Condi-
tion Met Flag
A274.06 High-speed
Counter 0
Range 7 Com-
parison Condi-
tion Met Flag
A274.07 High-speed
Counter 0
Range 8 Com-
parison Condi-
tion Met Flag
A274
A274.08 High-speed
Counter 0
Comparison
In-progress
Flag
This flag indicates whether a com-
parison operation is being executed
for high-speed counter 0.
Cleared at beginning of operation.
OFF: Stopped.
ON: Being executed.
---
---
Cleared
Refreshed
when com-
parison
operation
starts or
stops.
---
A274.09 High-speed
Counter 0
Overflow/
Underflow
Flag
This flag indicates when an overflow
or underflow has occurred in the
high-speed counter 0 PV. (Used with
the linear mode counting range only.)
Cleared when operation starts.
Cleared when PV is changed.
OFF: Normal
ON: Overflow or underflow
---
---
Cleared
Refreshed
when an
overflow or
underflow
occurs.
---
A274.10 High-speed
Counter 0
Count Direc-
tion
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 PLC in last cycle
to determine the direction.
OFF: Decrementing
ON: Incrementing
---
---
Cleared
Setting
used for
high-speed
counter,
valid dur-
ing counter
operation.
Read only
Address
Name
Function
Settings
Status
after
mode
change
Status
at star-
tup
Write
timing
Related
flags, set-
tings
Words
Bits
Содержание CP1L - 12-2007
Страница 3: ...iv...
Страница 9: ...x...
Страница 13: ...xiv TABLE OF CONTENTS...
Страница 21: ...xxii...
Страница 33: ...xxxiv Conformance to EC Directives 6...
Страница 65: ...32 Function Blocks Section 1 5...
Страница 428: ...395 Clock Section 6 9...
Страница 429: ...396 Clock Section 6 9...
Страница 523: ...488 Troubleshooting Unit Errors Section 9 4...
Страница 531: ...496 Replacing User serviceable Parts Section 10 2...
Страница 563: ...528 Auxiliary Area Allocations by Function Appendix C...
Страница 611: ...576 Auxiliary Area Allocations by Address Appendix D...
Страница 638: ...603 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Страница 639: ...604 Connections to Serial Communications Option Boards Appendix F...
Страница 669: ...634 Index...
Страница 671: ...636 Revision History...