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FX Series Programmable Controlers Applied Instructions 5
5-101
5.9.6 VRRD (FNC 85)
Operation:
The identified volume (S) on the FX-8AV is read as
an analo
g
input. The analo
g
data is in an 8 bit
format, i.e. values from 0 to 255 are readable. The
read data is stored at the destination device
identified under operand D.
5.9.7 VRSD (FNC 86)
Operation:
The identified volume (S) on the FX-8AV is read as
a rotar
y
switch with 11 set positions (0 to 10). The
position data is stored at device D as an inte
g
er
from the ran
g
e 0 to 10.
Mnemonic Function
Operands
Program steps
SD
VRRD
FNC 85
(Volume
read)
Reads an analo
g
value from 1 of 8
volume inputs on
the FX-8AV
K, H
Note:
S= 0 to 7
correspondin
g
to the 8 available
volumes on the FX-8AV
KnY, KnM, KnS
T, C, D, V, Z
VRRD,
VRRDP:
5 steps
Mnemonic Function
Operands
Program steps
SD
VRSC
FNC 86
(Volume
scale)
Reads the set
position value, 0
to 10, from
volume inputs on
the FX-8AV
K, H
Note:
S= 0 to 7
correspondin
g
to the 8 avail-
able
volumes on the FX-8AV
KnY, KnM, KnS
T, C, D, V, Z
VRSC,
VRSCP:
5 steps
X0
VRRD K 0 D 0
[ S ] [ D ]
Note:
The FX-8AV volume ‘inputs’ are able to be read in two formats, a) as an analo
g
value and b)
as an 11 (0 to 10) position rotar
y
switch. The second use is described in the VRSC instruction
(FNC 86).
[ S ] [ D ]
X0
VRSC K 1 D 1
Note:
The FX-8AV volume ‘inputs’ are able to be read in two formats, a) as a 11 (0 to 10) position
rotar
y
switch and b) as an analo
g
value. The second use is described in the
VRRD
instruction (FNC 85).