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

7. Instructions
FUN 078 RTR1 1 bit rotate right
Expression
Input −[ RTR1 A ]− Output
172 T1-16S User’s Manual
6F3B0253
Function
When the input is ON, the data of register A is rotated 1 bit to the right (LSB direction). The pushed
out bit state is stored in the left most bit (MSB) and in the carry flag (CF = S050). 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 Operation data √ √ √ √ √ √ √ √ √ √
Example
When X007 is changed from OFF to ON, the data of RW15 is rotated 1 bit to the right.
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
RW15 0 1 0 0 0 0 1 0 1 0 0 0 1 0 1 0
CF
RW15 0 0 1 0 0 0 0 1 0 1 0 0 0 1 0 1 0
(Result)
R001 is turned ON
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