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Basic Instructions
ST
↑
ST
↓
AN
↑
AN
↓
OR
↑
OR
↓
Outline
Contact instructions for leading edge detection and trailing edge
detection
Logic processing is only carried out during the scan following detection
of a leading edge or trailing edge in the signal.
Program example
Leading edge Start
X0
0
X1
3
X3
7
X4
Operands
Instruction
Instruction
X
Y
ST↑, ST↓
A
A
AN↑, AN↓
A
A
OR↑, OR↓
A
A
2 − 14
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Leading edge Start
Trailing edge Start
Leading edge AND
Trailing edge AND
Leading edge OR
Trailing edge OR
Ladder Diagram
Ladder Diagram
X2
Leading edge AND
Trailing edge OR
Timer/Counter
Relay
Contact
R
L
P
E
T
A
A
A
N/A
A
A
A
A
N/A
A
A
A
A
N/A
A
Y10
Y11
Y12
Index
modifier
modifier
C
A
N/A
A
N/A
A:
Available
A
N/A
N/A: Not Available
Availability
FP2/FP2SH/FP10SH
FP−X (V2.00 or more)
FPΣ (V3.10 or more)
FP0R
Boolean
Address
Instruction
0
ST↑
X
2
OT
Y
10
3
ST
X
4
AN↑
Y
6
OT
X
7
ST↓
Y
9
OR↓
X
11
OT
Y
12
0
1
2
11
3
4
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