D-11
FX Series PLC User's Manual - Data Communication Edition
Computer Link
2 Specifications
2.2 Link Specifications
A
Common Items
B
N:N Network
C
Parallel Link
D
Computer Link
E
Inverter
Communication
F
Non-Protocol
Communication
(RS/RS2 Instruction)
G
Non-Protocol
Communication
(FX
2N
-232IF)
H
Programming
Communication
I
Remote
Maintenance
Apx.
Discontinued
models
2.2.2 Applicable device ranges
The tables below show devices and device number ranges applicable for the device memory access.
• Construct each of the BR, BW, BT, WR, WW, and WT commands in five characters.
• Construct each of the QR, QW, and QT commands in seven characters.
1. Bit devices
FX PLCs do not support timer coils (TC) and counter coils (CC).
Device
Device number range (character)
Device
number
expression
Decimal/
Octal
Available commands
FX1S FX0N
FX2(FX),
FX
2C
FX1N,
FX
1NC
FX2N,
FX
2NC
FX3U,
FX
3UC
BR,
BW, BT
WR,
WW, WT
QR,
QW, QT
Input
relay
(X)
X0000 to
X0017
X0000 to
X0177
X0000 to
X0267
X0000 to
X0177
X0000 to
X0337
X0000 to
X0377
Octal
—
—
X000000
to
X000377
——
Output
relay
(Y)
Y0000 to
Y0015
Y0000 to
Y0177
Y0000 to
Y0267
Y0000 to
Y0177
Y0000 to
Y0337
Y0000 to
Y0377
—
—
Y000000
to
Y000377
——
Auxiliary
relay
(M)
M0000 to M0511 M0000 to M1535
M0000 to
M3071
M0000 to
M7679
Decimal
—
—
M000000
to
M007679
——
State
relay
(S)
S0000 to S0127 S0000 to S0999
S0000 to
S4095
—
S000000
to
S004095
——
Special
auxiliary
relay
(M)
M8000 to M8254 M8000 to M8255
M8000 to
M8511
—
—
M008000
to
M008511
——
Timer
contact
(T)
TS000 to TS063 TS000 to TS255
TS000 to
TS511
——
—
TS00000
to
TS00511
———
Counter
contact
(C)
CS000 to
CS031
CS235 to
CS255
CS000 to
CS031
CS235 to
CS254
CS000 to CS255
CS000 to
CS255
——
—
CS00000
to
CS00255
———
1 character
2 characters for timer or counter
4 characters
3 characters for timer or counter
Device + Device number = 5 characters
1 character
2 characters for timer or counter
6 characters
5 characters for timer or counter
Device + Device number = 7 characters
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