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9.2 System Configuration
9.2.1
Connecting to optical loop system
QCPU
PLC
MELSECNET/H
network module
Model name
*1
QJ71LP21
MELSEC-Q
QJ71LP21-25
MELSEC-QS
QJ71LP21S-25
C Controller
QJ71LP21-25
module
QJ71LP21S-25
(Q Series)
*1
For the system configuration of the MELSECNET/H network module, refer to the following manual.
*2
For the optical fiber cable, refer to the following manual.
*3
The overall extension cable length and the length between stations vary depending on the cable type to be used and the total
number of stations.
For details, refer to the following manual.
9.2.2
Connecting to the coaxial bus system
QCPU
PLC
MELSECNET/H
Network module
Model name
*2
MELSEC-Q
*1
C Controller
QJ71BR11
module
(Q Series)
MELSEC-QS
*1
Use a PLC CPU of function version B or a later version.
*2
For the system configuration of the MELSECNET/H network module, refer to the following manual.
Use a MELSECNET/H network module of function version B or a later version.
9 - 8
9. MELSECNET/H CONNECTION (PLC TO PLC NETWORK)
9.2 System Configuration
MELSECNET/H
network module
Communication
Cable model
type
MELSECNET/H
Optical fiber cable
MELSECNET/H
Optical fiber cable
Q corresponding MELSECNET/H Network System Reference Manual (PLC to PLC network)
Q corresponding MELSECNET/H Network System Reference Manual (PLC to PLC network)
Q corresponding MELSECNET/H Network System Reference Manual (PLC to PLC network)
MELSECNET/H
network module
Communication
Cable model
type
Coaxial cable
MELSECNET/H
Q corresponding MELSECNET/H Network System Reference Manual (PLC to PLC network)
Connection cable
Connection cable
Max.
distance
*2
GT15-J71LP23-25
*3
*2
GT15-J71LP23-25
*3
Connection cable
Connection cable
Max.
distance
GT15-J71BR13
*4
*3
GOT
Communication driver
MELSECNET/H
GOT
Option device
Model
GOT
Communication driver
MELSECNET/H
GOT
Option device
Model
Number of
connectable
equipment
63 GOTs
Number of
connectable
equipment
31 GOTs
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