7
UK
Information concerning the state of the master (AC1391) / masters (AC1392) and
the connected system is given via three diagnostic LEDs on the controller
e
�
6.1.2 Diagnostic LEDs
LED PWR/COM lights
AS-i voltage present, at least one slave was detected�
LED PWR/COM flashes
AS-i voltage present, but no slave was detected correctly�
LED PROJ lights
Projection mode active, the configuration monitoring is
deactivated�
LED PROJ flashes
Projection mode active, changeover to protected mode not
possible as a slave with the address 0 is connected�
LED CONF/PF lights
Projected and current configuration do not match�
LED CONF/PF flashes
Peripheral fault on at least one connected slave�
6.1.3 Status LEDs on the network connection
LED RUN green
off
Module in the Init state
flashes
Module in the pre-operational state
flashes 1x, pause
Module in the safe-operational state
lights
Module in the operational state
LED ERR red
off
EtherCAT communication active
flashes
General configuration error
flashes 1x, pause
The application has changed the EtherCat operating status
automatically
flashes 2x, pause
SYNC manager timeout
lights
Application watchdog timeout, e�g� PLC not in the operating
mode "run"
Link / activity x green (x=1 or X=2)
off
No Ethernet connection detected on port x
lights
Ethernet connection detected on port x
flashes irregularly
Exchange of Ethernet packages on port x
