A-75
FX Series PLC User's Manual - Data Communication Edition
Common Items
3 Outline of Communication Setting in the FX Series
3.4 Extension of Ports (For FX3G, FX3GC, FX3U, FX3UC)
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
mo
te
Ma
intenance
Apx.A
D
isco
nti
nued
models
3.4.3
Limitation when ch1 and ch2 are used at the same time
When using ch1 and ch2 at the same time, available communication type combinations are limited. For
details, refer to the table below.
When a CF card special adapter, FX
3U
-8AV-BD, FX
3G
-8AV-BD, FX
3G
-4EX-BD, FX
3G
-2EYT-BD or the FX
3U
-
ENET-ADP is used, one communication port (1ch) is occupied. However, the occupied communication port
does not apply any restrictions to the combination of communication functions when ch1 and ch2 are used at
the same time.
*1.
Ch2 cannot be set for non-protocol communication (RS instruction).
*2.
When using remote maintenance on ch2, use GX Works2 or GX Developer.
For applicable versions of GX Works2 and GX Developer,
refer to I. Remote Maintenance Subsection 1.4.1 or 1.4.2.
Example 1:
When "parallel link" is set for ch1, the "N:N Network" cannot be set for ch2.
Example 2:
When "computer link" is set for ch1, the "N:N Network" can be set for ch2.
RD
RD A
RD B
SD A
SD B
SG
SD
Communication setting for ch1
N:N Network Parallel link
Computer
link
Non-protocol
communication
(RS instruction)
Non-protocol
communication
(RS2 instruction)
Remote
maintenance
N:N Network
Parallel link
Computer link
Communication setting for ch2
: Applicable,
: Not applicable
(Example 1)
(Example 2)
Communication channel: ch1
Expansion
board
Expansion
board
FX
3G
/FX
3GC
/FX
3U
/FX
3UC
PLC
Communication
channel: ch2
Communication
special adapter
Communication
special adapter
MODBUS
communication
MODBUS
communication
Inverter
communication
Non-protocol
communication
(RS instruction)
*1
Non-protocol
communication
(RS2 instruction)
Programming
communication
Remote
maintenance
*2
Inverter
communication
Programming
communication
Summary of Contents for FX-485ADP
Page 2: ......
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 ...
Page 817: ......