897
FX
3G
/FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
37 Operation of Special Devices (M8000 -, D8000 -)
37.1 Special Device List (M8000 -, D8000 -)
31
FN
C
275-
FN
C
279
Da
ta
Transf
er 3
32
FN
C
280-
FN
C
289
H
igh Speed
Pr
ocessing 2
33
FN
C
29
0-F
N
C
299
Ext
ens
ion Fi
le
R
egi
ster
34
FN
C
300-
FN
C
305
FX
3U
-C
F-A
D
P
35
SFC•S
TL
Pr
ogr
am
m
ing
36
In
ter
rupt
Functi
on
37
Special D
evice
38
E
rro
r C
ode
A
Ve
rs
ion U
p
In
fo
rm
atio
n
B
Execution T
im
es
Memory Information
[D]8101
PLC type and
system version
26
16
16
–
–
–
–
–
–
[D]8102
2...... 2K steps
4...... 4K steps
8...... 8K steps
16.... 16K steps
32.... 32K steps
64.... 64K steps
3
32
3
16
*1
64
3
16
*1
64
–
3
2
3
8
3
4
8
16
3
8
3
4
8
16
[D]8103
Not used
–
–
–
–
–
–
–
–
–
[D]8104
Identity code for function extension memory
–
–
–
M8104
–
–
3
*2
–
3
*2
[D]8105
Version of function extension memory
(Version 1.00 = 100)
–
–
–
–
–
3
*2
–
3
*2
[D]8106
Not used
–
–
–
–
–
–
–
–
–
[D]8107
Number of registered device comments
–
3
3
M8107
–
–
–
–
–
[D]8108
Number of special function units/blocks connected
3
3
3
–
–
–
–
–
–
*1.
When loading FX
3U
-FLROM-16
*2.
Available in Ver. 3.00 or later
Output Refresh Error (Refer to Chapter 38 for details.)
[D]8109
Y number where output refresh error occurs
3
3
3
M8109
–
–
3
–
3
[D]8110
Not used
–
–
–
–
–
–
–
–
–
[D]8111
–
–
–
–
–
–
–
–
–
Expansion Board Dedicated to FX
1S
and FX
1N
[D]8112
FX
1N
-2AD-BD: Digital value of ch1
–
–
–
M8112
3
3
–
–
–
[D]8113
FX
1N
-2AD-BD: Digital value of ch2
–
–
–
M8113
3
3
–
–
–
D 8114
FX
1N
-1DA-BD: Digital value to be output
–
–
–
M8114
3
3
–
–
–
[D]8115 to [D]8119
Not used
–
–
–
–
–
–
–
–
–
RS (FNC 80) and Computer Link [ch1] (Refer to Data Communication Edition for details.)
D 8120
*3
RS (FNC 80) instruction and computer link [ch1]
Communication format setting
3
3
3
–
3
3
3
3
3
D 8121
*3
Computer link [ch1] Station number setting
3
3
3
–
3
3
3
3
3
[D]8122
*4
RS (FNC 80) instruction:
Remaining points of transmit data
3
3
3
M8122
3
3
3
3
3
[D]8123
*4
RS (FNC 80) instruction:
Monitoring receive data points
3
3
3
M8123
3
3
3
3
3
D 8124
RS (FNC 80) instruction: Header <Default: STX>
3
3
3
–
3
3
3
3
3
D 8125
RS (FNC 80) instruction: Terminator <Default: ETX>
3
3
3
–
3
3
3
3
3
[D]8126
Not used
–
–
–
–
–
–
–
–
–
D 8127
Computer link [ch1]
Specification of on-demand head device register
3
3
3
M8126 to
M8129
3
3
3
3
3
D 8128
Computer link [ch1]
Specification of on-demand data length register
3
3
3
3
3
3
3
3
D 8129
*3
RS (FNC 80) instruction, computer link [ch1]
Time-out time setting
3
3
3
3
3
3
3
3
*3.
Latch (battery backed) device
*4.
Cleared when PLC switches from RUN to STOP.
Number and name
Content of register
Applicable model
FX
3G
FX
3U
FX
3UC
Correspond-
ing special
device
FX
1S
FX
1N
FX
2N
FX
1NC
FX
2NC
BCD converted value
1 6
1 0 0
Indicated
on the right
Version 1.00