6F3B0250
Basic Hardware and Function
257
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
Ö
Ö
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
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