Error handling and diagnostics
EL6752
83
Version: 2.1
EL6752-0010 (DeviceNet slave terminal)
LED
Color
Meaning
RUN
green
This LED indicates the terminal's operating state:
off
State of the EtherCAT State Machine:
INIT
= initialization of the terminal;
BOOTSTRAP
= function for terminal firmware updates
flashing
State of the EtherCAT State Machine:
PREOP
= function for mailbox communication and different standard-settings set
Single flash State of the EtherCAT State Machine:
SAFEOP
= verification of the sync manager channels and the distributed clocks.
Outputs remain in safe state
on
State of the EtherCAT State Machine:
OP
= normal operating state; mailbox and process data communication is possible
MNS green
green
off
Slave is offline
flashing
Slave port has ended the Duplicate MAC-ID check (Network OK), communication error with
the master.
on
Slave port is online and is communicating with the master.
MNS red
red
flashing
Communication error of the slave port with the master, timeout of the slave port
on
DeviceNet Bus OFF, DeviceNet voltage error, slave port error, error in Duplicate MAC-ID
check