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

7. Instructions
FUN 080 RTR n bit rotate right
Expression
Input −[ A RTR n → B ]− Output
174 T1-16S User’s Manual
6F3B0253
Function
When the input is ON, the data of register A is rotated n bits to the right (LSB direction), and stored
in B. After the operation, if the right most bit (LSB) is ON, the output is turned ON.
Execution condition
Input Operation Output CF
OFF No execution OFF −
ON Execution When LSB = 1 ON Set or reset
When LSB = 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 X007 is changed from OFF to ON, the data of RW18 is rotated 5 bits to the right 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
RW18 0 1 0 0 0 0 1 0 1 0 0 1 1 0 1 0
CF
RW20 1 1 0 1 0 0 1 0 0 0 0 1 0 1 0 0 1
(Result)
∗
∗
R001 is turned OFF
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