5-3. Description of Basic Instructions
103
Outline
AN: Connects a Form A (normally open) contact serially.
AN/: Connects a Form B (normally closed) contact serially.
Program example
■
Operands
■
Time chart
■
Explanation of example
• Y0 goes ON when both X0 and X1 turn ON and also X2 turns OFF.
Description
• Performs a logical AND operation with the results of the immediately preceding serially
connected operation.
Notes:
• Use the
AN
instruction when the normally open contact (Form A contact) is serially connected. Use the
AN
/
instruction when the normally closed contact (Form B contact) is serially connected.
• The
AN
and
AN
/
instructions can be used consecutively.
ON
OFF
X0
ON
OFF
X1
ON
OFF
X2
ON
OFF
Y0
Timer/Counter
Contact
C
Relay
T
R
Y
X
Instruction
AN, AN/
A
A
A
A
A
A:
N/A: Not Available
Available
AN
AND
AN/
AND Not
Availability
Step
1
1
All series
Ladder Diagram
FP Programmer
II
key operations
Boolean Non-ladder
Address Instruction
0
X1
Y0
AND AND Not
X2
X0
ST
X-WX
ST
X-WX
ST
X-WX
0
WRT
AN
Y-WY
WRT
1
AN
Y-WY
NOT
DT/Ld
WRT
OT
L-WL
AN
Y-WY
0
WRT
ST
X-WX
WRT
2
0
1
2
3
ST
X
0
AN
X
1
AN/
X
2
OT
Y
0
X2
X3
X0
Y0
Y1
X1
X0
Y0
X1
X2
X3
Summary of Contents for FP1
Page 1: ...PROGRAMMABLE CONTROLLER FP1 is a global brand name of Matsushita Electric Works Hardware ...
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