D-12
FX Series PLC User's Manual - Data Communication Edition
Computer Link
2 Specifications
2.2 Link Specifications
2. Word devices
*1.
The WT and QT commands do not support 32-bit counters (C200 to C255).
Caution
1) When using bit devices in a command requiring specification in 1-word units, make sure that the head
device number is a multiple of "8".
2) Special auxiliary relays and special data registers are classified into ones for read only, write only and
ones for system only.
If data is written to any range in which writing is not allowed, an error may occur in the PLC.
For details on special auxiliary relays and special data registers, refer to the manual of the PLC.
3) In FX
1S
, FX
1N
, FX
1NC
, FX
2N
, FX
2NC
, FX
3S
, FX
3G
, FX
3GC
, FX
3U
and FX
3UC
PLCs, the PLCs cannot
access the program area (in the built-in RAM, memory cassette and built-in EEPROM) when users set file
registers (D).
In FX
3U
and FX
3UC
PLCs, extension registers (R) cannot access extension file registers (ER) in a
mounted memory cassette.
In FX
3G
, FX
3GC
PLCs, extension registers (R) cannot access extension file registers (ER).
Device
Device number range (character)
Device
number
expression
Decimal/
Octal
Available
commands
FX
1S
FX
0N
FX
2
(FX),
FX
2C
FX
1N
,
FX
1NC
FX
2N
,
FX
2NC
FX
3S
FX
3G,
FX
3GC
FX
3U
,
FX
3UC
BR,
BW,
BT
WR,
WW,
WT
QR,
QW,
QT
Timer
current
value
(T)
TN000 to
TN063
TN000 to TN255
TN000
to
TN137
TN000
to
TN319
TN000
to
TN511
Decimal
—
—
—
TN00000
to
TN00137
TN00000
to
TN00319
TN00000
to
TN00511
—
Counter
current
value
(C)
CN000
to
CN031
CN235
to
CN255
CN000
to
CN031
CN235
to
CN254
CN000 to CN255
CN000
to
CN031
CN200
to
CN255
CN000 to CN255
*1
—
—
CN00000
to
CN00031
CN00200
to
CN00255
CN00000 to
CN00255
—
*1
Data
register
(D)
D0000 to
D0255
D0000
to
D0999
D0000 to
D7999
D0000
to
D2999
D0000 to D7999
—
—
D000000
to
D002999
D000000 to
D007999
—
File
register
(D)
—
D1000
to
D2499
D1000
to
D2999
—
—
—
—
—
RAM
file
register
(D)
—
D6000
to
D7999
—
—
—
—
—
Exten-
sion
register
(R)
—
R0000 to R9999
—
—
R000000
to
R023999
R000000
to
R032767
—
Special
data
register
(D)
D8000 to
D8255
D8000 to D8255
D8000 to D8511
—
—
D008000 to D008511
—
Summary of Contents for FX-485ADP
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Page 120: ...B 2 FX Series PLC User s Manual Data Communication Edition N N Network ...
Page 188: ...C 2 FX Series PLC User s Manual Data Communication Edition Parallel Link ...
Page 244: ...D 2 FX Series PLC User s Manual Data Communication Edition Computer Link ...
Page 344: ...E 2 FX Series PLC User s Manual Data Communication Edition Inverter Communication ...
Page 700: ...H 2 FX Series PLC User s Manual Data Communication Edition Programming Communication ...
Page 752: ...I 2 FX Series PLC User s Manual Data Communication Edition Remote Maintenance ...
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