Precautions During Programming
FP0
8
−
13
8.5 Instruction of Leading Edge Detection Method
8.5
Instruction of Leading Edge Detection Method
8.5.1
Instructions of Leading Edge Detection Method
Instructions Using the Leading Edge Detection Operation
DF
(leading edge differential) instructions
Count input for
CT
instructions
Count input for
F118 (UDC)
instructions
Shift input for
SR
instructions
Shift input for
F119 (LRSR)
instructions
NSTP
instructions
Leading Edge Detection Method
An instruction with a leading edge detection method operates only in the scan where
its trigger (execution condition) is detected switching from off to on.
on
off
Trigger
Executed every scan
on
off
Trigger
Executed only one time
Standard operation
Leading edge differential operation
Operation of
instruction
Operation of
instruction
on
off
on
off
The condition of the previous execution and the condition of the current execution are
compared, and the instruction is executed only if the previous condition was off and the
current condition is on. In any other case, the instruction is not executed.
Summary of Contents for FP0 Series
Page 14: ...Table of Contents FP0 xii ...
Page 16: ...Overview FP0 1 2 ...
Page 82: ...S LINK Control Unit FP0 4 2 ...
Page 95: ...Chapter 5 I O Allocation 5 1 I O Number 5 3 5 2 Control Unit 5 4 5 3 Expansion I O Unit 5 5 ...
Page 96: ...I O Allocation FP0 5 2 ...
Page 100: ...I O Allocation FP0 5 6 5 3 Expansion I O Unit ...
Page 102: ...Installation FP0 6 2 ...
Page 112: ...Installation FP0 6 12 6 5 Installation Using FP0 Flat Type Mounting Plate ...
Page 114: ...Wiring FP0 7 2 ...
Page 198: ...High speed Counter Pulse Output PWM Output FP0 9 34 9 5 PWM Output Function ...
Page 200: ...General use Serial Communications FP0 10 2 ...
Page 210: ...Self Diagnostic and Troubleshooting FP0 11 2 ...
Page 220: ...Specifications FP0 12 2 ...
Page 234: ...Dimensions FP0 13 2 ...
Page 243: ...Chapter 14 Appendix ...
Page 380: ...14 138 14 7 ASCII Codes ...