Omron NJ Series User Manual page 271

Additional Information
Unit Addresses
Unit addresses are used to identify each of devices connected to a single node on a network.
Unit addresses are set as shown below.
• CPU Unit: 00 hex
 NJ-series CPU Unit
As shown in the table below, the network type number and the destination address are determined
depending on whether the output is routed (1) to a Unit on the CPU Rack or (2) from a communica-
tions port on a Communications Unit.
(1) Output to a Unit on the CPU
Rack
(2) Output from a communications
port on a Communications Unit
NJ-series CPU Unit
Backplane
port #01
Communications
port (#02)
1. When Routing the Output to a Unit on the CPU Rack
Route the output to the backplane port for the network with the CPU Rack, with the Unit ad-
dress of the destination Unit specified as the destination address.
2. When Routing the Output from a Communications Port on a Communications Unit
Route the output to an EtherNet/IP port, with the IP address specified as the destination node
address.
Additional Information
Unit Addresses
Unit addresses are used to identify each of devices connected to a single node on a network.
Unit addresses are set as shown below.
• CPU Unit: 00 hex, 01 hex
• CPU Bus Units (EtherNet/IP Units): Unit number + 10 hex
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User's Manual (W506)
Network type number (hexadec-
Route
#01 (backplane port)
#02 (built-in EtherNet/IP port)
(1)
(2)
8 CIP Message Communications
Destination address (hexadeci-
imal)
Unit address of the destination
Unit (Refer to Additional Informa-
tion below.)
IP address
IP address
mal)
8
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