Nomenclature and Functions
• Unit Version 1.5 or Later
Note
1-6-2
Indicators
ETN21
RUN ERC SD
RD
LINK
100M
ERH TCP FTP HOST
UNIT
4
No.
NODE
4
4
No.
1
0
x16
x16
IP ADDRESS
133.113.
0. 42
SUBNET MASK
255.255.255.0
100BASE-TX
10BASE-T
Each communications device connected to the Ethernet network is allocated
a unique Ethernet address. For the Ethernet Unit, this Ethernet address is
shown on the right side of the Unit as a 12-digit hexadecimal number.
CJ1W-ETN21
ETHERNET UNIT
Lot No.
OMRON Corporation
@@@@@@@@@@@@
Ethernet Address
The Ethernet address can also be checked using the FINS command, CON-
TROLLER DATA READ. For details, refer to 7-3-2 CONTROLLER DATA
READ on page 162.
The status of the indicators show the operating status of the Ethernet Unit, as
shown below.
CS1W-ETN21
(100Base-TX)
ETN21
RUN
100M
ERC
ERH
SD
TCP
RD
FTP
LNK
HOST
• Unit Version 1.4 or Earlier
ETN21
RUN ERC SD
RD
LINK
100M
ERH TCP FTP HOST
UNIT
4
No.
NODE
4
No.
1
x16
4
0
x16
IP ADDRESS
133.113.
0. 42
SUBNET MASK
255.255.255.0
100BASE-TX
10BASE-T
MADE IN JAPAN
Ethernet address (12 digits)
CJ1W-ETN21
(100Base-TX)
ETN21
RUN
ERC SD
RD
LNK
100M
ERH TCP FTP HOST
Section 1-6
Example
IP ADDRESS
133.113.
0. 42
SUBNET MASK
255.255.255.0
Attach the label to the front
of the Ethernet Unit between
the node number switches
and the Ethernet connector.
25