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Basic Hardware and Function
195
7. Instructions
FUN 091 DPX Demultiplexer
Expression
Input
-
[
A
DPX (
n
)
B
®
C
]
-
Output
Function
When the input is ON, the data of
A
is transferred to the register which is designated by
B
in the table,
size
n
starting with
C
.
Execution condition
Input Operation Output
OFF No execution OFF
ON Normal execution OFF
Pointer over (no execution) ON
Operand
Name Device Re
g
ister Constant Index
X Y R S T. C. XW YW RW SW T C D I J K
A
Source
ÖÖÖÖÖÖÖÖÖÖ Ö
n
Table size 1 - 64
B
Pointer
ÖÖÖÖÖÖÖÖÖÖ
0 - 63
C
Start of table
ÖÖÖÖÖÖ
Example
When R011 is ON, the data of XW04 is transferred to the register which is designated by RW30 in
the table D0500 to D0509 (10 registers size).
If the data of RW30 is 8, XW04 data is transferred to D0508.
Source Destination table Pointer
XW04 3210 D0500 0
D0501 1
D0507 7
D0508 3210 8
D0509 9
Note
·
If the pointer data designates outside the table (10 or more in the above example), the transfer is
not executed and the output comes ON.
·
The table must be within the effective range of the register address.
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