Product specifications

CI871 and TP867 – PROFINET IO Interface Appendix A Hardware Units
346 3BSE036351-510 A
Indicators
There are six LED indicators on the front panel of CI871 to indicate various states
and conditions of CI871.
Table 104. PROFINET IO Interface CI871 - LED indicators
Designation/Color Function
F(ault) / Red The red F(ault) LED indicates a fault condition on CI871.
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 CI871 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 is intended to be ON to indicate a
receiving/transmitting telegram at CH2. The LED is
controlled by Ethernet PHY. It is turned off by reset.
PRIM (ary) The yellow LED indicates if the module is active or not. It
does not describe the redundancy configuration of a
module.
DUAL The LED is ON when CI871 is operational in redundant
configuration.
This LED is always OFF as redundancy is not supported.