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881
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
Advanced Function
M 8160
*4
SWAP function of XCH (FNC 17)
–
3
3
–
–
–
3
–
3
M 8161
*4*5
8-bit process mode
3
3
3
–
3
3
3
3
3
M 8162
High speed parallel link mode
3
3
3
–
3
3
3
3
3
[M]8163
Not used
–
–
–
–
–
–
–
–
–
M 8164
*4
FROM (FNC 78), TO (FNC 79) instructions:
Transfer points variable mode
–
–
–
D8164
–
–
3
*6
–
3
M 8165
*4
SORT2 (FNC149) instruction:
Sorting in descending order
–
3
3
*7
–
–
–
–
–
–
[M]8166
Not used
–
–
–
–
–
–
–
–
–
M 8167
*4
HKY (FNC 71) instruction:
HEX data handling function
–
3
3
–
–
–
3
–
3
M 8168
*4
SMOV (FNC 13) instruction:
HEX data handling function
3
3
3
–
–
–
3
–
3
[M]8169
Not used
–
–
–
–
–
–
–
–
–
*4.
Cleared when PLC switches from RUN to STOP.
*5.
Applicable to ASC (FNC 76), RS (FNC 80), ASCI (FNC 82), HEX (FNC 83), CCD (FNC 84), and CRC
(FNC188) instructions
*8
.
*6.
Available in Ver. 2.00 or later.
*7.
Available in Ver. 2.20 or later.
*8.
CRC (FNC188) instruction is available only in FX
3U
and FX
3UC
PLCs.
Pulse Catch (Refer to Section 36.7 for details.)
M 8170
*1
Input X000 pulse catch
3
3
3
–
3
3
3
3
3
M 8171
*1
Input X001 pulse catch
3
3
3
–
3
3
3
3
3
M 8172
*1
Input X002 pulse catch
3
3
3
–
3
3
3
3
3
M 8173
*1
Input X003 pulse catch
3
3
3
–
3
3
3
3
3
M 8174
*1
Input X004 pulse catch
3
3
3
–
3
3
3
3
3
M 8175
*1
Input X005 pulse catch
3
3
3
–
3
3
3
3
3
M 8176
*1
Input X006 pulse catch
–
3
3
–
–
–
–
–
–
M 8177
*1
Input X007 pulse catch
–
3
3
–
–
–
–
–
–
*1.
Cleared when PLC switches from STOP to RUN.
FX
2N
, FX
2NC
, FX
3U,
or FX
3UC
Series PLC: EI (FNC 04) instruction is necessary.
FX
3G
, FX
1S
, FX
1N
, or FX
1NC
Series PLC: EI (FNC 04) instruction is unnecessary.
Communication Port Channel Setting (Refer to Data Communication Edition for details.)
M 8178
Parallel link channel switch (OFF: ch1/ON: ch2)
3
3
3
–
–
–
–
–
–
M 8179
N:N network channel switch
*2
3
3
3
–
–
–
–
–
–
*2.
The channel is specified by either setting or not setting M8179 in the setting program.
→
For setting program, Refer to Data Communication Edition
• ch1: M8179 is not set in program
• ch2: M8179 is set in program
Number and name
Operation and function
Applicable model
FX
3G
FX
3U
FX
3UC
Correspond
-ing special
device
FX
1S
FX
1N
FX
2N
FX
1NC
FX
2NC