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338
Quick-response Inputs
Section 6-2
4.
Use CTBL(882) to start the comparison operation with high-speed counter
1 and interrupt task 12.
5.
Operation
When execution condition W0.00 goes ON, the comparison starts with
high-speed counter 1.
When the PV of high speed counter 1 is between 25,000 and 25,500, cyclic
task processing is interrupted, and interrupt task 12 is processed. When
interrupt task 12 processing is completed, processing of the interrupted cy-
clic task resumes.
6-2
Quick-response Inputs
Overview
The quick-response inputs can read pulses with an ON time shorter than the
cycle time (as short as 50
µ
s). Use the quick-response inputs to read signals
shorter than the cycle time, such as inputs from photomicrosensors.
PLC Setup
Use the CX-Programmer to set a built-in input as a quick-response input in the
PLC Setup. Click the Built-in Input Tab to display the
Interrupt Input
settings
(at the bottom of the tab). Set the input function from
Normal
to
Quick
for each
input that will be used as a quick-response input.
W0.00
@CTBL(882)
#0001
#0001
D20000
Use high-speed counter 1.
First comparison table word
Register a range comparison table and start
comparison operation.
CIO 0.01
W0.00
Counting enabled
Cyclic task
processing
Interrupt task
10 processing
Processing
interrupted
Cyclic task
processing
Interrupt task
10 processing
Processing
interrupted
Cyclic task
processing
Upper limit: 25,500 (639C hex)
High-speed counter 1 PV
(in A272 and A273)
Lower limit: 25,000 (61A8 hex)
Содержание CP1L - 12-2007
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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...
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