User guide
Xenus Plus User Guide    Operational Theory 
Copley Controls  39 
2.10.4: XE2/800-1782 J8 RUN, ERR, & L/A Indicators 
XE2/800-1782 J8 L/A Indicators 
Shows the state of the physical link and activity on the link. 
L/A (Green) 
Meaning 
Off 
No link 
On 
Port open, no activity 
On and flickering 
Port open and activity 
XE2/800-1782 J8 RUN Indicator 
Indicates the state of the ESM (EtherCAT state machine) 
RUN (Green) 
Meaning 
Off 
Init 
Blinking 
Pre-operational 
Single flash 
Safe-operational 
On 
Operational 
XE2/800-1782 J8 ERR Indicator 
Indicates that errors have occurred on the EtherCAT drive or network 
ERR (Red) 
Meaning 
Off 
EtherCAT communications are working correctly. 
Blinking 
Invalid configuration, general configuration error. 
Single flash 
Local error, slave has changed EtherCAT state autonomously. 
Double flash 
PDO or EtherCAT watchdog timeout, or an application watchdog timeout has occurred, 
Out
In
J7
J8
RUN-State of the ESM
L/A-Link activity
ERR-Errors
L/A-Link activity
A-Axis A
B-Axis B










