Mitsubishi Electric MELSEC Q Series Reference Manual page 111

(1) Rules for the IP address setting
The IP address of when using the IP packet transfer function need to satisfy the following rules.
Device to be set
Ethernet device
CPU module connected to the
Ethernet device
CC-Link IE Controller Network
module
Universal model QCPU on the
communication route (not
connected to an Ethernet
device)
*1 Set the numbers according to the range applicable to the Ethernet device used.
The range may not apply depending on the Ethernet device. Check the specifications of the Ethernet device used.
Use the same numbers for the first and second octets of the IP addresses (network addresses) of the request
1
source device, the request destination device, and modules between them.
Set the third and fourth octets of the IP address within the ranges described below.
2
The network number of the own station is automatically assigned to the third octet of the IP address of the CC-
Link IE Controller Network module. The station number of the own station is automatically assigned to the fourth
octet of the IP address of the CC-Link IE Controller Network module.
CC-Link IE Controller Network module: Network number including
192 . 168
Setting range of the IP address
First and second octets
1
*1
0.0 to 223.255
(Same numbers for the
request source device,
request destination device,
and modules between them)
IP address setting not required
192 . 168
Network address
Setting range: 0.0 to 223.255
Set the same network address to the networks of
all the devices from the request source device to
the request destination device.
CPU module: 1 to 239
the own station
. 10 . 36
CPU module: 1 to 120
CC-Link IE Controller Network module: Own station No.
Third octet
, , and
2 3 4
*1
1 to 239
(Same number for the
Ethernet device and the CPU
module)
and
2 4
Automatically set (network
number of the own station)
1 to 239
. 10 . 36
CHAPTER 4 FUNCTIONS
Fourth octet
2
*1
1 to 120
2
Automatically set (station
number of the own station)
1 to 120
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4