System Configuration; Single Remote I/O Networks; Configuration - Mitsubishi QJ71LP21 Reference Manual

2 SYSTEM CONFIGURATION

2 SYSTEM CONFIGURATION
This introduces a system comprised of remote I/O networks.

2.1 Single Remote I/O Networks

2.1.1 Configuration

(1) Optical loop system
(2) Coaxial cable bus system
2 - 1
Up to 64 remote I/O modules can be connected to a remote master station.
Always set the station number of the remote master station to 0.
Station number 0
(remote master station)
QCPU QJ71
LP21
QJ72 I/O I/O
LP25
Station number 64
(remote I/O station)
Up to 32 remote I/O stations can be connected to a remote master station.
Always set the station number of the remote master station to 0.
Station number 0
(remote master station)
QCPU QJ71
BR11
Terminator
(Sold separately)
Station number 1 Station number 2
(remote I/O station) (remote I/O station)
QJ72 I/O I/O
LP25
Optical fiber cable
QJ72 I/O I/O
LP25
Station number 4 Station number 3
(remote I/O station) (remote I/O station)
Station number 1 Station number 32
(remote I/O station) (remote I/O station)
QJ72
I/O I/O
BR15
Coaxial cable
MELSEC-Q
QJ72 I/O I/O
LP25
QJ72 I/O I/O
LP25
QJ72
I/O I/O
BR15
Terminator
(Sold separately)
2 - 1
2