Beckhoff EL3773 Documentation page 74

Commissioning
State Machine
Init
Pre-Op
Op
Bootstrap
Safe-Op
Clear Error
Current State
Requested State
DLL Status
Indicates the DLL status (data link layer status) of the individual ports of the EtherCAT slave. The DLL status
can have four different states:
Status
No Carrier / Open
No Carrier / Closed
Carrier / Open
Carrier / Closed
File Access over EtherCAT
Download
Upload
74
This button attempts to set the EtherCAT device to
the Init state.
This button attempts to set the EtherCAT device to
the pre-operational state.
This button attempts to set the EtherCAT device to
the operational state.
This button attempts to set the EtherCAT device to
the Bootstrap state.
This button attempts to set the EtherCAT device to
the safe-operational state.
This button attempts to delete the fault display. If an
EtherCAT slave fails during change of state it sets an
error flag.
Example: An EtherCAT slave is in PREOP state (pre-
operational). The master now requests the SAFEOP
state (safe-operational). If the slave fails during
change of state it sets the error flag. The current state
is now displayed as ERR PREOP. When the Clear
Error button is pressed the error flag is cleared, and
the current state is displayed as PREOP again.
Indicates the current state of the EtherCAT device.
Indicates the state requested for the EtherCAT
device.
Description
No carrier signal is available at the port, but the port
is open.
No carrier signal is available at the port, and the port
is closed.
A carrier signal is available at the port, and the port is
open.
A carrier signal is available at the port, but the port is
closed.
With this button a file can be written to the EtherCAT
device.
With this button a file can be read from the EtherCAT
device.
Version: 2.5 EL3773