111
5-3. Description of Basic Instructions
SET
Set
RST
Reset
Outline
SET: Holds the contact (in bit) ON.
RST: Holds the contact (in bit) OFF.
Program example
■
Operands
■
Time chart
■
Explanation of example
• When X0 turns ON, Y0 goes ON and holds the contact (in bit) ON.
• When X1 turns ON, Y0 goes OFF and holds the contact (in bit) OFF.
Description
• The
SET
instruction executes when the trigger is turned ON. Output turns ON and holds the
contact (in bit) ON regardless of the trigger’s state changes.
• The
RST
instruction executes when trigger is turned ON. Output turns OFF and holds the
contact (in bit) OFF regardless of the trigger’s state changes.
• You can use the same number for relays (Y and R) with the
SET
and
RST
instructions as
many times as you like.
X0
Y0
〈
S
〉!
X1
Y0
〈
R
〉!
X2
Y0
〈
S
〉!
X3
Y0
〈
R
〉!
ON
OFF
X0
ON
OFF
X1
ON
OFF
Y0
Timer/Counter
Contact
C
Relay
T
R
Y
X
Instruction
SET, RST
N/A A
A
N/A
N/A
A:
N/A: Not Available
Available
Ladder Diagram
FP Programmer
II
key operations
Boolean Non-ladder
Address Instruction
0
X0
Y0
4
X1
Y0
〈
S
〉!
〈
R
〉!
Output number
of relay
SHIFT
SC
1
ST
X-WX
ST
X-WX
WRT
0
WRT
SHIFT
SC
WRT
WRT
9
AN
Y-WY
0
ST
X-WX
ST
X-WX
WRT
1
WRT
SHIFT
SC
1
SHIFT
SC
WRT
WRT
A
AN
Y-WY
0
0
1
4
5
ST
X
0
SET Y
0
ST
X
1
RST Y
0
Availability
Step
3
3
All series
Содержание FP1
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