3.13 ↑OT, ↓OT (Leading, Trailing Edge Out)
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Ladder diagram
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Devices that can be specified (indicated by ●)
Operand
Bit device
Specification of bit of
word device
Index modifier
X Y R L T C P E SR IN OT DT.n LD.n
bit ● ●
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Outline of operation
Type of
instruction
Operation
↑OT
Generates output only for a single scan where the preceding operation result changes from the
OFF state to the ON state (i.e., rises).
↓OT
Generates output only for a single scan where the preceding operation result changes from the
ON state to the OFF state (i.e., falls).
3.13 ↑OT, ↓OT (Leading, Trailing Edge Out)
WUME-FP7CPUPGR-12 3-27