Manual – Fieldbus Interface DFE24B EtherCAT®
21
4
DFE24B operating displays
Assembly and Installation Notes
4.9.1 LED RUN (green/orange)
The LED RUN (green/orange) indicates the status of the DFE24B option.
4.9.2 LED ERR (red)
The LED ERR (red) indicates an EtherCAT
®
error.
Condition State Description
Off INIT Option DFE24B is in the state INIT.
Flashing
green
PRE-OPERATIONAL Mailbox communication is possible but no process data commu-
nication
Flashing
once (green)
SAFE-OPERATIONAL Mailbox and process data communication is possible. The slave
outputs are not output yet.
Green OPERATIONAL Mailbox and process data communication is possible.
Flickering
green
INITIALISATION or
BOOTSTRAP
Option DFE24B is booting and has not yet reached the state
INIT.
Option DFE24B is in the state BOOTSTRAP. The firmware is
being downloaded.
Flashing
orange
NOT CONNECTED The DFE24B option was not yet addressed by an EtherCAT
®
master after switching it on.
Condition Error Description
Off No error The EtherCAT
®
communication of the DFE24B option is in oper-
ating state.
Flickering Boot error 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".
Flashing Invalid configuration General configuration error.
Flashing
once
Unprompted state
change
The slave application has changed the EtherCAT
®
state auto-
matically. The "Change" parameter in the AL state register is set
to "0x01:change/error".
Flashing
twice
Timeout of the applica-
tion watchdog
A watchdog timeout has occurred in the application.
Flashing
three times
Reserved -
Flashing four
times
Reserved -
On PDI watchdog timeout A PDI watchdog timeout occurred.
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