Omron SYSMAC CJ1W-EIP21, Operation Manuals

Page: 214 / 438

8 Message Communications
8-8
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
(2) EtherNet/IP Unit 1 to CPU Unit 2 (built-in EtherNet/IP port)
• Network type number: “02” (Output the command via EtherNet/IP port.)
• Remote address: Specify the remote IP address.
Route path:\01\#01\02\192.168.250.2

Access via a Relay Node
Example: Communicating from CPU Unit 1 to CPU Unit 3 via CPU Unit 2
(1) CPU Unit 1 to EtherNet/IP Unit 1
• Network type number: “01” (Output the command via internal backplane port.)
• Remote address: “#01” (unit address of EtherNet/IP Unit)
(2) EtherNet/IP Unit 1 to CPU Unit 2 (built-in EtherNet/IP port)
• Network type number: “02” (Output the command via EtherNet/IP port.)
• Remote address: Specify the remote IP address.
(3) CPU Unit 2 to EtherNet/IP Unit 2
• Network type number: “01” (Output the command via internal backplane port.)
• Remote address: “#12” (Unit address of EtherNet/IP Unit (Unit number: 2+10 hex = 12
hex))
(4) EtherNet/IP Unit 2 to EtherNet/IP Unit 3
• Network type number: “02” (Output the command via EtherNet/IP port.)
• Remote address: Specify the remote IP address.
(5) EtherNet/IP Unit 3 to CPU Unit 3
• Network type number: “01” (Output the command via internal backplane port.)
• Remote address: “#00” (unit address of CPU Unit)
EtherNet/IP
port
EtherNet/IP
port
Unit address:
00 hex
EtherNet/IP
Unit 3
EtherNet/IP Unit 2 CPU Unit 2 CPU Unit 3
Backplane
port (#01)
Backplane
port (#01)
IP address:
192.168.257.3
IP address:
192.168.250.2
Unit address:
12 hex
Communications
port (#02)
Built-in
EtherNet/IP port
CPU Unit 1
Backplane port (#01)
Unit address:
01 hex
EtherNet/IP
Unit 1
Communications
port (#02)
Route path: \01\#01\02\192.168.250.2\01\#12\02\192.168.257.3\01\#00
(1) (2) (3) (4) (5)