Product specifications

Section 5 Maintenance EtherNet/IP Interface - CI873
3BSE036351-510 A 237
Dual LED is ON The CI873 module is run in redundant
configuration.
Prim(ary) LED is ON The CI873 module is run in redundant
configuration, and it functions as the
primary module.
Note: Even if the backup CI873 module
runs with errors or fails in redundant
configuration, the Prim LED is still ON in
the primary CI873 module in redundant
configuration.
(1) LED can be switched off by disabling CH2 channel.
CI873 supports hot swap.
Table 47. EtherNet/IP Communication Interface CI873 - Indications and Fault
Finding
Fault
Possible Cause and Corrective
Action