Toshiba PROSEC T1-16S PLC User's Manual - CTi Automation

FUN 081 RTL n bit rotate left
Expression
Input −[ A RTL n → B ]− Output
6F3B0253
7. Instructions
Function
When the input is ON, the data of register A is rotated n bits to the left (MSB direction), and stored
in B. After the operation, if the left most bit (MSB) is ON, the output is turned ON.
Execution condition
Input Operation Output CF
OFF No execution OFF −
ON Execution When MSB = 1 ON Set or reset
When MSB = 0 OFF Set or reset
Operand
Name Device Register Constant Index
X Y R S T. C. XWYWRWSW T C D I J K
A Source √ √ √ √ √ √ √ √ √ √ √ √
n Shift bits 1 - 16
B Destination √ √ √ √ √ √ √ √ √ √
Example
When X008 is changed from OFF to ON, the data of RW18 is rotated 3 bits to the left and the
result is stored in RW20.
The figure below shows an operation example.
∗
(MSB) (LSB)
F E D C B A 9 8 7 6 5 4 3 2 1 0
1 0 1 0 0 1 1 1 0 0 1 1 1 0 1 0
CF
1 0 0 1 1 1 0 0 1 1 1 0 1 0 1 0 1
R002 is turned OFF
RW18
RW20 (Result)
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Basic Hardware and Function 175
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