Toshiba 6F3B0253 - Manual (Page 241)

6F3B0253
Basic Hardware and Function
239
7. Instructions
FUN 235 I/O Direct I/O
Expression
Input
−
[ I/O (n) A ]
−
Output
Function
When the input is ON, this instruction immediately updates the external input (XW) and output
(YW) registers which are in the range of n registers starting with A.
•
For XW register ... reads the data from corresponding input circuit
•
For YW register ... writes the data into corresponding output circuit
Execution condition
Input Operation Output
OFF No execution OFF
ON Execution ON
Operand
Name Device Register Constant Index
X Y R S T. C. XW YW RW SW T C D I J K
n Register size 1 - 32
A Start of
registers
√ √
Example
When R010 is ON, the 4 registers starting with XW00 (XW00 to YW03) are updated
immediately.
XW00 Input
XW01 circuit
YW02 Output
YW03 circuit