Epson RC90 Manual page 253

LED Description
LED state represents the states of the fieldbus Module.
RUN LED
OFF
Green
Green, blinking
Green, single flash SAFE-OPERATIONAL
Flickering
Red
ERR LED
OFF
Red, blinking
Red, single flash
Red, double flash
Red
Flickering
Link/Activity
OFF
Green
Green, flickering
RC700 / RC90 Option Fieldbus I/O Rev.14
LED State
INIT
OPERATIONAL
PRE-OPERATIONAL
BOOT
(Fatal Event)
LED State Indication
No error
Invalid configuration
Unsolicited state
change
Application watchdog
timeout
Application
C ontroller failure
Booting error detected E.g. due to firmware download failure.
LED State Indication
No link
Link sensed,
no activity
Link sensed, activity
Indication
EtherCAT device in 'INIT'-state (or no
power)
EtherCAT device in 'OPERATIONAL'-
state
EtherCAT device in 'PRE-
OPERATIONAL'-state
EtherCAT device in 'SAFE-
OPERATIONAL'-state
The EtherCAT device is in 'BOOT' state
If RUN and ERR turn red, this
indicates a fatal event, forcing the bus
interface to a physically passive state.
No error (or no power)
State change received from master is
not possible due to invalid register or
object settings.
Slave device application has changed
the EtherCAT state autonomously.
Sync manager watchdog timeout.
Anybus module in EXCEPTION.
If RUN and ERR turn red, this indicates
a fatal event, forcing the bus interface to
a physically passive state.
Link not sensed (or no power)
Link sensed, no traffic detected
Link sensed, traffic detected
2. Installation
Description
Description
Description
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