Panasonic FP-E - Page 121

Basic Instructions
2 − 11
Outline AN: Connects Form A (normally open) contacts in series.
AN/: Connects Form B (normally closed) contacts in series.
3
Program example
Ladder
Diagram
Boolean
Ladder Diagram
Address Instruction
X0 Y10
0
AND
X2
AND Not
X1
0
1
2
3
ST X 0
AN X 1
AN/ X 2
OT Y 10
Operands
Instruction
Relay
Timer/Counter
Contact
Index
m
o
d
i
f
i
e
r
Instruction
X Y R
L
(*1)
P
(*2)
E
(*3)
T C
mo
d
i
f
i
er
(*4)
AN, AN/ A A A A A A A A A
(*1) This cannot be used with the FP0/FP−e.
(*2) This can be used only with the FP2/FP2SH/FP10SH.
(*3) This can be used only with the FP2SH/FP10SH.
(*4) This can be used only with the FP0R/FP2/FP2SH/FP10SH.
Explanation of example
Y10 goes on when both X0 and X1 turn on and also X2 turns off.
X0
X1
X2
Y10
on
off
on
off
on
off
on
off
Description
Performs a logical AND operation with the results of the immediately preceding serially connected operation.
Precautions during programming
Use the AN instruction when normally open contacts (Form A contacts) are serially connected.
Use the AN/ instruction when normally closed contacts (Form B contacts) are serially connected.
X0 Y10
Y10
X1
X2
X3
The AN and AN/ instructions can be used consecutively.
X0 X1 X2
X3
AN
AN/
AND
AND Not
A
:
A
vailable
N/A: Not Available
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