wo
WJFF
Link range
of
1
st
station.
Link range
of
nth
station.
Usable as data registers in each station
Link range not usable
as
data registers
Usable as data registers in each station
I
File registers
R
I
File registers
(R)
are used a extra data registers which are located in the user
memory area. They operate in the same way as data registers, with the exception
of clearing the data, and can be used within the sequence program.
To
clear the
data in a file register the FMOV(P) instruction should be used, if the power of the
PLC is turned
OFF
or the PLC reset function is executed
,
the data in the file
register will remain unchanged.
I
Accumulator
A
I
The accumulator
(A)
is a data register which stores the operation results of some of
the basic and application instructions, a list of which is shown below;
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