Mitsubishi Electric Melsec A Series - Page 28

INTRODUCTION
1 - 11
1
(d) 3-tier system 1: System configuration example using local stations only
MELSECNET/B MELSECNET/H System configuration precautions
Twisted
Optical loop
New installation: The installation has to be
changed for an optical loop system or a
coaxial bus system.
Coaxial bus
Twisted (using existing cables)
Existing cables: Process the terminals for
MELSECNET/H connection.
Twisted (using CC-Link
dedicated cables)
New installation: Change the cables to CC-
Link dedicated cables.
M
L1 L3L2/m
I1 I3I2
2NS2
Network 2 2N
S32NS1
Network 1 1NS31NS1
1M
P4
1NS2/2MP4
1MP4
1NS1 1NS31NS2/2MP4
Network 1
2NS1 2NS32NS2
Network 2
1MP4
1NS1 1NS31NS2/2MP4
Network 1
2NS1 2NS32NS2
Network 2
1MP4
1NS1 1NS31NS2/2MP4
Network 1
2NS1 2NS32NS2
Network 2