Mitsubishi Electric Melsec A Series - Page 59

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REPLACEMENT OF MELSECNET (II) AND /B (PLC TO PLC NETWORK)
2
(3) MELSECNET II composite mode
The following shows the procedures for changing the parameters in the case of a MELSECNET II
composite mode 2-tier system configuration on an A3ACPU.
A MELSECNET/H module set as normal station requires network parameter setting. For replacement of
MELSECNET (II) module mounted on the CPU module of the AnN/AnA/AnSCPU (excluding
AnUS(H)CPU), newly set network parameters.
The following shows parameters required on each station of MELSECNET/H.
: Setting required/ : Setting required (Default setting is also acceptable)
MELSECNET ( II ) MELSECNET/H
Optical loop
Optical loop
Common parameter
(Network range assignment)
Station inherent parameter Refresh parameter
1Mp1
(Refer to example in (b) 2)) (Refer to example in (b) 3))
(Refer to example in (b) 4))
1Ns2
(Refer to example in (c) 2))
(Refer to example in (c) 3))
1Ns3
(Refer to example in (c) 2))
(Refer to example in (c) 3))
L1
M
L2
A3ACPU
A2ACPU
MELSECNET II mode compatible
link modules are used for the M
and L2 stations, and a
MELSECNET mode compatible
link module is used for the L1
station.
M L1 L2 M L2
B/W 0 100 200 300 400 500 FFF
Setting range of
first half of link
parameters
Setting range
of second half of
link parameters
Network
1
1N
S2
1M
P1
1N
S3
Q06UDVCPU
Q02UCPU