11-25
11 High-speed Counters
CP1E CPU Unit Software User’s Manual(W480)
11-3 High-speed Counter
Interrupts
11
11-3-3 High-speed Counter Interrupt Instruction
3
Create the program for interrupt task 12.
4
Use the CTBL instruction to start the comparison operation with high-speed counter 1 and inter-
rupt task 12.
When execution condition W0.00 turns 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 execution is
interrupted, and interrupt task 12 is executed.
When interrupt task 12 execution is completed, execution of the interrupted cyclic task resumes.
W0.00
@CTBL
#0001
#0001
D2000
Use high-speed counter 1.
Register a range comparison table
and start comparison operation.
First comparison table word.
W0.00
0.02
0.03
High-speed counter 1 PV
(in A272 and A273)
Lower limit: 25,000 (61A8 hex)
Upper limit: 25,500 (639C hex)
Counting enabled
Cyclic task
execution
Cyclic task
execution
Cyclic task
execution
Processing
interrupted
Processing
interrupted
Interrupt task
12 execution
Interrupt task
12 execution
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