Mitsubishi Electric MELSEC iQ-RJ71EN71 User Manual page 46

Rules for the IP address setting
IP addresses specified for the IP packet transfer function need to satisfy the following rules.
Device to be set
Ethernet device
Ethernet-equipped module connected
to the Ethernet device
Master/local module
Remote head module
Ethernet-equipped module on the
communication path (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.
1 FUNCTIONS
44
1.3 IP Packet Transfer Function
Setting range of the IP address
First and second octets

*1
0.0 to 223.255
(Same numbers for the request
source device, request destination
device, and modules between them)

Automatically set (Same value as the
master station)
0.0 to 223.255
IP address setting not required
Third octet
, , 
*1
1 to 239
(Same number for the Ethernet
device and the Ethernet-equipped
module)
, 
Automatically set (network number
of the own station)
1 to 239
Fourth octet

*1
1 to 120

Automatically set (station number of
the own station)
• 1 to 120
• 125 (125 is always set in the
master station.)