1-9
1 Introduction
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
1-3 EtherNet/IP Unit
1
1-3-2 Part Names and Functions
Ethernet Address Notation
A specific Ethernet address is allocated to all devices connected to the Ethernet network. The Ether-
Net/IP Unit's address is listed in 12-digit hexadecimal on the right side of the Unit.
1-3-2 Part Names and Functions
UNIT
No.
EIP21
NODE
No.
x16
0
x16
1
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
MS
NS
100M
10M
COMM
100BASE-TX
10BASE-T
IP ADDRESS
SUBNET MASK
192.168.250.1
255.255.255.0
Unit number setting switch
Node address setting
switches
Label showing IP address
LED Indicators
Ethernet connector
ETHERNET/IP UNIT
CJ1W-EIP21
OMRON Corporation
MADE IN JAPAN
Lot No.
@@@@@@@@@@@@
Ethernet Address
Ethernet address (12 digits)