Omron CJ2 Series User Manual

7. EtherNet/IP Connection Procedure
32
7.5. Checking the EtherNet/IP Communications
Confirm that the EtherNet/IP tag data links are operated normally.
7.5.1. Checking the Connection Status
Check the connection status of EtherNet/IP.
1
Confirm that the tag data links are
normally in operation by checking
the LED indicators on each device.
•Controller (Built-in EtherNet/IP port)
LED indicators in normal status:
[NET RUN]: Lit green
[NET ERR]: Not lit
[LINK/ACT]: Flashing yellow
(Flashing while packets are being
sent and received)
•PLC (EtherNet/IP Unit)
LED indicators in normal status:
[MS]: Lit green
[NS]: Lit green
[COMM]: Lit yellow
[100M] or [10M]: Lit yellow
(Controller)
(EtherNet/IP Unit)
2
Confirm that the tag data links are
normally in operation by checking
the status information on the Device
Monitor Window of the Network
Configurator.
Right-click the device icon of node 1
on the Network Configuration Pane
and select Monitor.

Omron CJ2 Series Specifications

General

CPU Units	CJ2H, CJ2M
Data Memory Capacity	32K words (CJ2M), 128K words (CJ2H)
EtherNet/IP	Yes (some models)
I/O Capacity	Up to 2, 560 I/O points
Communication Ports	Ethernet, RS-232C
Expansion Units	Up to 40 expansion units
Programming Languages	Ladder diagram, Structured text, Function block diagram
Instruction Execution Speed	0.04 μs (basic instructions)
Serial Ports	1 (RS-232C)
Expansion Slots	Up to 10 (CJ2H)
Operating Temperature	0 to 55°C
Storage Temperature	-25°C to 75°C
Power Supply Voltage	100 to 240 VAC, 24 VDC