Mitsubishi Electric MELSEC-A Series Manual page 54

2
REPLACEMENT OF MELSECNET (II) AND /B (PLC TO PLC NETWORK)
(2) MELSECNET II mode
The following shows the procedure for changing the parameters in the case of a MELSECNET II mode
2-tier system configuration.
Optical loop
L1
B/W 0 100 200 300
M L1 L2
Setting range of first
half of link parameters
Each of the MELSECNET II first and second half settings correspond to [Setting1] and [Setting2] set to
all stations according to the "Station inherent parameters" on MELSECNET/H.
(Example) Station inherent parameters of a normal station (1Ns2)
CPU
0
3FF
800
8FF
2
- 17
MELSECNET ( II )
M
A3ACPU
L3
A2ACPU
L2
400 800 900 A00 B00
L3 M L1 L2
Setting range of second
half of link parameters
MELSECNET/H (normal station: 1N
Station inherent parameters
(LB/LW)
0
1M 1
to
P
FF
100
1N 2
to
S
1FF
200
1N 3
to
S
Refresh
2FF
300
1N 4
to
S
3FF
800
1M 1
to
P
8FF
900
1N 2
to
S
9FF
A00
1N 3
to
S
AFF
MELSECNET/H
Optical loop
1M
P
Network
1N 2
S
1
1N
S
FFF
2)
S
Common parameters
(LB/LW)
000
1M 1
P
1FF
200
1N 2
S
3FF
400
1N 3
S
5FF
600
1N 4
S
6FF
1
Q06UDVCPU
1N 4
S
Q02UCPU
3
Send/receive
data
Each
station