1 Technical Description, Installation Guidelines, Operation
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IE/AS−INTERFACE LINK PN IO as of hardware version 1, as of firmware version V2.0
Release 08/2018
C79000−G8976−C216−03
1.9 Display and Control Elements
LED Displays
The following LED displays are located on the front panel of the IE/AS-i LINK:
S Displays for the LAN connectors (separate for X1 and X2)
− LINK: Connection to Ethernet partner
− RX/TX: Data traffic
S Displays of the IE/AS-i LINK
− SF: system fault
− BF: bus fault
− ON: Power supply IE/AS-i LINK
S Displays for the AS-i line
− SF: AS-i system fault
− APF: AS-i power fail
− CER: configuration error
− AUP: automatic address programming
− CM: configuration mode
− ON: AS-i status online / offline
Meaning of the IE/AS-i LINK LEDs
LED (color) Status Meaning
SF (red) System fault
(link)
The LED is lit in the following situations:
S In protected mode, a diagnostic interrupt (entering state) was
triggered on the PROFINET IO controller.
S The IE/AS-i LINK has detected an internal error (for example
EEPROM defective).
BF (red) Bus fault The LED flashes in the following situations:
S The connection between the PROFINET IO controller and the
IE/AS-i LINK has broken down or the PROFINET IO controller is
not active.
S IE/AS-i LINK was not or was incorrectly assigned parameters by
the PROFINET IO controller.
ON (green) The LED is lit when the IE/AS-i LINK is supplied with power.
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