CJ1W-EIP21 Omron, CJ1W-EIP21 Datasheet - Page 397

• Manufacturer Part Number: CJ1W-EIP21
• Description: Ethernet I/P Module
• Manufacturer: Omron

Specifications of CJ1W-EIP21

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

14-5-2 General Ethernet Problems
14-5-3 Tag Data Links Fail to Start
Troubleshooting
Use the following table to troubleshoot tag data links when the Tag Data Links
Operating Flag (bit 15 in Communications Status 1) does not go ON.
The indicators on
the EtherNet/IP Unit
or CPU Unit are all
OFF.
The MS indicator
on the EtherNet/IP
Unit or CPU Unit is
lit green, but the NS
indicator remains
OFF.
The MS indicator
on the EtherNet/IP
Unit or CPU Unit is
lit green, but the NS
indicator contin-
ues to flash green.
The MS indicators
is lit green on the
EtherNet/IP Unit or
CPU Unit, but the
NS indicator con-
tinues to flash red.
The 100M and 10M
Indicators on the
EtherNet/IP Unit or
CPU Unit are both
OFF.
The NS Indicator
on the EtherNet/IP
Unit or CPU Unit is
lit red.
• Check whether power is being supplied to the PLC.
• Check whether the EtherNet/IP Unit or built-in EtherNet/IP
• If a watchdog timer (WDT) error has occurred in the PLC, fol-
• All of the indicators for the EtherNet/IP Unit or built-in Ether-
• Restart the Unit. Replace the Unit if it doesn’t restart.
• If the EtherNet/IP Unit's 7-segment display is displaying an
• Confirm that the cables are properly connected to the
• If data is being restored by the simple backup function, wait
• If the EtherNet/IP Unit's 7-segment display is displaying an
• The NS indicator will continue to flash green if the tag data
• Identify the error code shown on the 7-segment display
• Confirm that the cable being used has the correct ratings.
• Confirm that the cable is properly connected to the switching
• If the switching hub’s settings can be changed, confirm that
• Check whether the same IP address is set on another node.
port is mounted in the Backplane correctly.
low the procedures described in the PLC’s Operation Man-
ual to correct the problem.
Net/IP port will be OFF if a CPU Bus Unit error has occurred.
Check for a CPU Bus Unit error.
error code, refer to the tables in 14-2 Using the LED Indica-
tors and Display for Troubleshooting.
switching hub and the power supply to the switching hub is
ON.
until the restore operation is completed.
error code, refer to the tables in 14-2 Using the LED Indica-
tors and Display for Troubleshooting.
link settings have not been set in the Unit. Use the Network
Configurator to set the tag data link settings in the Unit, and
then restart the Unit.
based on the tables in 14-2 Using the LED Indicators and
Display for Troubleshooting, and eliminate the cause of the
error.
hub, and the hub’s power supply is ON. (The 7-segment dis-
play will indicate error E1.)
the Ethernet link settings are the same as the settings for the
EtherNet/IP Unit or built-in EtherNet/IP port. (For details,
refer to 3-4 Network Installation.)
(The 7-segment display will indicate error F0.)
Section 14-5
369