
10
Function
Meaning of LED display
Manual – EtherCAT
®
Interfaces, Field Distributors
84
LED
SYS-F
Meaning
Measure
Red
Flashing
(2 s cycle)
MFE initialization error or serious
device error
Use MOVITOOLS
®
MotionStudio to
read out the fault status.
Determine cause and acknowledge
error.
10.2.4
"L/A" LED (Link/Activity)
Each EtherCAT
®
port for incoming EtherCAT
®
cables (X11 IN) and outgoing
EtherCAT
®
cables (X12 OUT) has a "L/A" LED (Link/Activity). It indicates whether the
EtherCAT
®
connection to the preceding or following unit is available and active.
The following table shows the statuses of the "L/A" LEDs:
LED
Meaning
Off
No EtherCAT
®
connection.
Green
Lights up
EtherCAT
®
cable is connected.
Green
Flickering
Ethernet communication is active.
Red
Flashing
Ethernet communication is inactive.
25809148/EN – 01/2019