11.2 Table of Basic Instructions
Name
Boolean
Sequence basic instructions
Start
ST
Start Not
ST/
Out
OT
Not
/
AND
AN
AND Not
AN/
OR
OR
OR Not
OR/
Leading
ST↑
edge start
Trailing edge
ST↓
start
11-20
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Symbol
Begins a logic operation with a Form A (normally open)
contact.
Begins a logic operation with a Form B (normally closed)
contact.
Outputs the operated result to the specified output.
Inverts the operated result up to this instruction.
Connects a Form A (normally open) contact serially.
Connects a Form B (normally closed) contact serially.
Connects a Form A (normally open) contact in parallel.
Connects a Form B (normally closed) contact in parallel.
Begins a logic operation only for one scan when the
leading edge of the trigger is detected.
Begins a logic operation only for one scan when the trailing
edge of the trigger is detected.
Description
Steps
(*1)
1 (2)
1 (2)
1 (2)
1
1 (2)
1 (2)
1 (2)
1 (2)
2
2