Product specifications

CI873 and TP867 - EtherNet/IP Interface Appendix A Hardware Units
354 3BSE036351-510 A
Indicators
There are six LED indicators on the front panel of CI873 that indicate the various
states and conditions on the CI873.
Table 108. EtherNet/IP Interface CI873 - LED indicators
Designation/Color Function
F(ault) / Red The red F(ault) LED indicates a fault condition on
CI873. Reset turns the LED ON. Software can turn it
On and OFF through a register in the CEX-Bus
controller.
R(un) / Green The green R(un) LED indicates that the CI873 is
operational. Reset turns the LED OFF. Software can
turn the LED ON and OFF through a register in the
CEX-Bus controller.
RxTx1 / Yellow The yellow Rx/Tx1 LED is intended to be ON to
indicate a receiving/transmitting telegram at CH1.
The LED is controlled by Ethernet PHY. It is turned
OFF by reset.
RxTx2 / Yellow The yellow Rx/Tx2 LED (LED will always be switched
OFF) is intended to be ON to indicate a
receiving/transmitting telegram at CH2 (The channel
is disabled). The LED is controlled by Ethernet PHY.
It is turned OFF by reset.
PRIM(ary) This LED is ON if this CI873 acts as the primary in a
redundant configuration.
DUAL The yellow DUAL LED is ON when both CI873’s in a
redundant pair are synchronized. The LED is
controlled by software. It is turned OFF by reset.