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FX
3G
/FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
11 Rotation and Shift Operation – FNC 30 to FNC 39
11.5 FNC 34 – SFTR / Bit Shift Right
11.5
FNC 34 – SFTR / Bit Shift Right
Outline
This instruction shifts bit devices of the specified bit length rightward by the specified number of bits.
After shift, the bit device
is transferred by "n2" bits from the most significant bit.
1. Instruction format
2. Set data
*1.
Do not set a negative value to the number of bits to be shifted rightward.
3. Applicable devices
S
: "D
.b" is available only in FX
3U
and FX
3UC
PLCs. However, index modifiers (V and Z) are not available.
Operand Type
Description
Data Type
Head bit device number to be stored to the shift data after rightward shift
Bit
Head bit device number to be shifted rightward
Bit
n1
Bit length of the shift data n2
≤
n1
≤
1024
16-bit binary
n2
Number of bits to be shifted rightward n2
≤
n1
≤
1024
*1
16-bit binary
Oper-
and
Type
Bit Devices
Word Devices
Others
System User
Digit Specification
System User
Special
Unit
Index
Con-
stant
Real
Number
Charac-
ter String
Pointer
X Y M T C S D
.b KnX KnY KnM KnS T C D R U
\G
V Z Modify K H
E
"
"
P
3 3 3
3
S
3
3 3
3
3
n1
3 3
n2
3 3
3 3
S
P
FNC 34
SFTR
16-bit Instruction
9 steps
Mnemonic
Operation Condition
Continuous
Operation
Pulse (Single)
Operation
SFTR
SFTRP
−
−
Mnemonic
Operation Condition
32-bit Instruction
S
D
S
D
Содержание FX3G SERIES
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