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

7. Instructions
FUN 070 SHR n bit shift right
Expression
Input −[ A SHR n → B ]− Output
166 T1-16S User’s Manual
6F3B0253
Function
When the input is ON, the data of register A is shifted n bits to the right (LSB direction) including
the carry flag (CF = S050), and stored in B. 0 is stored in upper n bits. 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 shifted 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 0 0 0 0 0 0 1 0 0 0 0 1 0 1 0 0 1
(Result)
0 R001 is turned OFF
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