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7
PARAMETER SETTING
(Setting example 3)
Local station QJ71MT91
IP address (Class B)
Subnet mask
Target device 3)
IP address (Class B)
Subnet address set
value
7 - 15
When the network addresses of the local station QJ71MT91 and target device are the
same
Network address
81
H
1 0 0 0 0 0 0 1
0 0 0 0 0 1 0 1
FF
H
1
1 1 1 1 1 1
1
1
81
H
1 0 0 0 0 0 0 1
0 0 0 0 0 1 0 1
81
H
1 0 0 0 0 0 0 1
0 0 0 0 0 1 0 1
(f)
Router information: Router IP address
Set the IP addresses of the routers to be used when the QJ71MT91
communicates with the target devices on other Ethernets via other than the
default router.
Set the value that satisfies the following conditions.
Condition 1: The IP address class is any of A, B and C.
Condition 2: The subnet address of the router is the same as that of the
Condition 3: The host address bits are not all "0" or all "1".
POINT
(1) The router relay function is not needed for communication when the slave
function of the QJ71MT91 is used to make communication with the master
device on another Ethernet.
(2) The router relay function is not needed in a system that uses the Proxy router.
05
H
0 0 1 0 1 1 1 1
FF
H
1 1 1 1 1 1
1
1
05
H
0 0 1 0
Set the subnet address of the target device 3).
Subnet address
05
H
0 0 1 0
local station QJ71MT91.
2F
H
0 0 0 0 0 0 0 1
FC
H
1 1 1 1 1 0
0
0 0 0 0
29
H
1 0 0 1
0 0 0 0 0 0 1 0
28
H
1 0 0 0
0 0 0 0
MELSEC-Q
01
H
00
H
0 0 0 0
02
H
00
H
0 0 0 0
7 - 15
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