Example Of Changing Parameters On 3-Tier System (When The First Half/Second Half Of Link Parameter Is Set) - Mitsubishi Electric MELSEC-A Series Manual

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REPLACEMENT OF MELSECNET (II) AND /B (PLC TO PLC NETWORK)
2.5.4 Example of changing parameters on 3-tier system (When the first half/second
half of link parameter is set)
The following shows how to change network parameter on LB/LW, when replacing the MELSECNET II
3-tier system with MELSECNET/H. Network range assignment of the present MELSECNET II 3-tier
system is used as it is for replacement with MELSECNET/H.
MELSECNET II 2-tier is replaced with the network 1 of MELSECNET/H, and 3-tier is replaced with the
network 2. The MELSECNET II master station is replaced with the MELSECNET/H control station, and
MELSECNET II local stations are replaced with MELSECNET/H normal stations.
Optical loop
B/W 0
Link parameter of 2-tier
Link parameter of 3-tier
master station (L1/m)
2
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MELSECNET II
A3UCPU A2UCPU
M L2
MELSECNET II
2-tier
A3UCPU
L1/m
MELSECNET II
3-tier
l1 l2
A2UCPU A2UCPU
100 280 380 400 500
M L1/m L2 M L1/m
m l1 l2 m l1 l2
100 180 200 280 500 580 600
Optical loop
Q06UDVCPU
Q02UCPU
680 780 FFF
L2 Empty
680
MELSECNET/H
Q02UCPU
1Mp3 1Ns2
MELSECNET/H
Network 1
Q06UDVCPU
Gateway
1Ns1/2Mp3
station
MELSECNET/H
Network 2
2Ns1 2Ns2
Q02UCPU