D-9
FX Series PLC User's Manual - Data Communication Edition
Computer Link
2 Specifications
2.1 Communication Specifications (Reference)
A
Comm
on I
te
ms
B
N:
N N
etwo
rk
C
Paral
le
l Li
nk
D
Com
puter Li
nk
E
In
verter
C
omm
uni
cation
F
N
on-Proto
col
C
ommunicati
on
(R
S/RS
2 Instru
ction
)
G
No
n-
Protoc
ol
Co
mmuni
ca
tion
(FX
2N
-2
32IF)
H
Programm
ing
Comm
uni
cation
I
Re
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te
Ma
intenance
Apx.A
D
isco
nti
nued
models
2. Specifications
This chapter explains the communication specifications and performance.
2.1
Communication Specifications (Reference)
Communication is executed within the specifications shown in the table below. The baud rate, etc. can be
changed in the parameter settings of a programming tool or in a sequence program.
*1.
FX
3U
and FX
3UC
Series PLC Ver. 2.41 or later, and FX
3S
, FX
3G
, FX
3GC
Series PLC is applicable.
Item
Specifications
Remarks
Number of connectable units
16 maximum
Transmission standard
RS-485 or RS-232C standard
Maximum total extension
distance
RS-485: 500 m (1640' 5") or less
[50 m (164' 0") or less when 485BD is
included in system]
RS-232C: 15 m (49' 2") or less
Distance varies depending
on communication equipment type.
Protocol type
Computer link (dedicated protocol)
Formats 1 and 4 are applicable.
Control procedure
—
Communication method
Half-duplex, bidirectional communication
Baud rate
300, 600, 1200, 2400, 4800, 9600, 19200 or
38400
*1
bps
Character
format
Start bit
Fixed
Data bit
7 or 8-bit
Parity bit
None, odd or even
Stop bit
1 or 2-bit
Header
Fixed
Terminator
Fixed
Control line
Fixed
Sum check
Provided or not provided
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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