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FX
3G
/FX
3U
/FX
3UC
 Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
37 Operation of Special Devices (M8000 -, D8000 -)
37.2 Supplement of Special Devices (M8000 - and D8000 -)
31
FN
C
275
-F
N
C
27
9
Da
ta
 
Trans
fe
r 3
32
FN
C
280-
FN
C
289
H
igh Speed 
Pr
ocessing 2
33
FN
C
290-
FN
C
299
E
xtension Fi
le 
R
egister
34
FN
C
300-
FN
C
30
5
FX
3U
-C
F-A
D
P
35
SFC•
STL
Pr
ogr
am
m
ing
36
In
ter
rupt
 
Funct
ion
37
S
pecial
 D
evice
38
Er
ro
r C
ode
A
Ve
rs
ion U
In
fo
rm
atio
n
B
Executi
on
 T
im
es
37.2.18 Analog  expansion boards [M8260 to M8279 and D8260 to D8279]
When the analog expansion board is connected, operations and functions are assigned to devices shown in the table
below in accordance with the connection position.
Operations and functions in the table below are shaded for write-prohibited devices.
→ For details, refer to the Analog Control Edition.
1. Special auxiliary relay (M8260 to M8279)
• FX
3G
 PLC
*1.
Only a 40-point or 60-point type FX
3G
 PLC can be connected.
Number
Operation and function
FX
3G
-2AD-BD
FX
3G
-1DA-BD
Applicable 
version
Ver.1.10 or later
Ver.1.10 or later
1st analog expansion board
 M 8260
Input mode switching Ch1
Output mode switching
 M 8261
Input mode switching Ch2
Not used
 M 8262
Not used
Not used
 M 8263
Not used
Not used
 M 8264
Not used
Output hold mode cancel
 M 8265
Not used
Not used
 M 8266
Not used
Not used
 M 8267
Not used
Not used
 M 8268
Not used
Not used
 M 8269
Not used
Not used
2nd analog expansion board
*1
 M 8270
Input mode switching Ch1
Output mode switching
 M 8271
Input mode switching Ch2
Not used
 M 8272
Not used
Not used
 M 8273
Not used
Not used
 M 8274
Not used
Output hold mode cancel
 M 8275
Not used
Not used
 M 8276
Not used
Not used
 M 8277
Not used
Not used
 M 8278
Not used
Not used
 M 8279
Not used
Not used