149
FX
3G
/FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
4 Devices in Detail
4.10 Extension Register [R] and Extension File Register [ER]
1
Int
roduct
ion
2
O
ver
view
3
In
str
uc
tion
Li
st
4
D
evices
in D
etail
5
Spec
ified t
he
D
evice &
C
onst
ant
6
Bef
ore
Pr
ogr
am
m
ing
7
B
asic
In
st
ru
ct
io
n
8
FN
C
00-FN
C
09
P
rogr
am
F
low
9
FN
C
10
-FN
C
19
Mo
ve
&
Co
mp
are
10
FNC2
0-F
NC2
9
Ar
ith.
&
Logic
O
per
ation
4
Writing (transferring) data to the PLC
1. Select [Online]
→
[Write to PLC...] to open the [Write to PLC] dialog box.
*1.
For Ver. 8.13P to 8.24A of GX Developer, the PLC type is FX3UC.
2. Put a check mark next to "MAIN (prepared device memory name)" under "Device memory."
3. Click the "Device data" tab, and add "Ext. file register" to target devices.
By default, "Ext. file register" is not included for reading/writing.
To add it, click the blank space on the left side of "Ext. file register" to change it to "
×
".
In GX Developer Ver.8.18U or later, the range of extension file registers to be written can be specified.
*1.
For Ver. 8.13P or 8.24A of GX Developer, the PLC type is FX3UC.
4. Click the [Execute] button to write (transfer) to the PLC.
FX3U(C)*1
Click the blank
space to
change it into
"
×
".
FX3U(C)*1
This example shows a window
in an FX
3U
PLC.