NAiS FP1 User Manual

5-3. Description of Basic Instructions
104
Outline OR: Connects a Form A (normally open) contact in parallel.
OR/: Connects a Form B (normally closed) contact in parallel.
Program example
■ Operands ■ Time chart
■ Explanation of example
• Y0 goes ON when either X0 or X1 turns ON or X2 turns OFF.
Description
• Performs a logical OR operation with the results of the immediately preceding operation
connected in parallel.
Notes:
• Use the OR instruction when the normally open contact (Form A contact) is connected in parallel. Use the
OR/ instruction when the normally closed contact (Form B contact) is connected in parallel.
• The OR instruction starts from the bus line.
• The OR and OR/ instructions can be used consecutively.
ON
OFF
X0
ON
OFF
X1
ON
OFF
X2
ON
OFF
Y0
Timer/Counter
Contact
C
Relay
TRYX
Instruction
OR, OR/
AAA A A
A:
N/A: Not Available
Available
OR
OR
OR/
OR Not
Ladder Diagram FP Programmer II key operations
Boolean Non-ladder
Address Instruction
0
X0 Y0
1
X1
OR
X2
OR Not
2
ST
X-WX
ST
X-WX
ST
X-WX
0 WRT
OR
R-WR
WRT1
OR
R-WR
NOT
DT/Ld
WRT
OT
L-WL
AN
Y-WY
0 WRT
ST
X-WX
WRT2
0
1
2
3
ST X 0
OR X 1
OR/ X 2
OT Y 0
Availability
Step
1
1
All series

NAiS FP1 Specifications

General

Brand	NAiS
Model	FP1
Category	Controller
Language	English