
10
Function
Meaning of LED display
Manual – EtherCAT
®
Interfaces, Field Distributors
82
10.2
Meaning of LED display
The MFE EtherCAT
®
interface has 5 LEDs for diagnostic purposes.
•
The "RUN" LED indicates the operating state of the MFE fieldbus interface.
•
The "ERR" LED displays errors in EtherCAT
®
.
•
"SYS-F" LED for displaying system errors.
•
The "L/A" (link/act) LEDs signal the activity of EtherCAT
®
ports X11 and X12.
RUN
ERR
SYS-F
MF
E7
2
Et
he
rC
A
T
DI0
L/A
L/A
DI2
DI1
DI3
DI4
DI5
DO0
DO1
X11 IN
X12 OUT
Ether
CAT
®
8818105483
10.2.1
"RUN" LED
The "RUN" LED signals the operating state of the MFE EtherCAT
®
interface.
LED
Operating status
Meaning
Off
INIT
The MFE EtherCAT
®
interface is in the INIT status.
Green
Flashing
PRE-
OPERATIONAL
Mailbox communication is possible but no process
data communication.
Green
Lights up 1
time
SAFE-
OPERATIONAL
Mailbox and process data communication is pos-
sible. The slave outputs are not output yet.
Green
Lights up
OPERATIONAL
Mailbox and process data communication is pos-
sible.
10.2.2
"ERR" LED
The "ERR" LED indicates an EtherCAT
®
error.
LED
Meaning
Off
EtherCAT
®
communication from the MFE EtherCAT
®
interface is in op-
erating state.
Red
Flickering
A boot error was detected. The state INIT was achieved, but the
"Change" parameter in the AL status register has been set to
"0x01:change/error".
Red
Flashing
Invalid configuration.
25809148/EN – 01/2019