Product specifications

EtherNet/IP Interface - CI873 Section 5 Maintenance
236 3BSE036351-510 A
EtherNet/IP Interface - CI873
Table 47. EtherNet/IP Communication Interface CI873 - Indications and Fault
Finding
Fault
Possible Cause and Corrective
Action
Neither R(un) nor F(ault) LEDs are ON The CI873 unit is in the process of being
configured. Wait until the configuration
is complete. If the condition persist, and
no other unit LED on the CEX-Bus is
ON:
• Check the CEX-Bus fuse inside the
PM8xx processor unit.
• Initiate a reset signal (INIT) from
the PM8xx processor unit.
• Replace the CI873 unit.
F(ault) LED is ON The CI873 unit is in the process of being
restarted. Wait until the restart operation
is complete.
Replace unit if the condition persists.
RxTx1/RxTx2
(1)
LED is OFF No Receive or transmit activity for
respective Ethernet channels.
RxTx1/RxTx2
(1)
LED is flashing Receive or transmit activity for
respective Ethernet channels is normal.