3 indicators and switches, 1  led, 2  led – INFICON SKY CDGxxxD (EtherCAT) User Manual  
                Page 9: 3  led ( port), 4  led ( port)    
            
tira68e1 (2013-05) CDGxxxD.cp
9
 
 
 
Displays the operating status. 
 
Color
LED State
Description
off
INIT (initialization status) or no power applied to device.
blinking
(200 ms on 
200 ms off)
PREOP (pre-operational status).
single flash
(200 ms on
1000 ms off)
SAFEOP (safe-operational status). 
Communication of cyclic data transfer running. Input values 
available, output values written to the device but not 
updated on device output. 
green
on
OP (operational status).
 
 
Displays the error content. 
 
Color
LED State
Description
off
No error or no power applied to device.
blinking
(200 ms on 
200 ms off)
Error occurred (see error parameter).
single flash
(200 ms on
1000 ms off)
Slave device application has changed the EtherCAT state 
autonomously, due to local error (see error parameter). 
double flash
(200 ms on
200 ms off 
200 ms on 
1000 ms off)
An application watchdog timeout has occurred. 
Sync Manager Watchdog timeout or communication 
timeout occurred. 
red
on
A critical communication or application controller error has 
occurred. Application controller is not responding any more 
(PDI Watchdog Timeout detected by ESC) 
 
 
Displays the input status. 
 
Color
LED State Description
off
Port not connected or no power applied to device.
blinking
Port connected and communication active.
green
on
Port not connected but no communication.
 
 
Displays the output status. 
 
Color
LED State Description
off
Port not connected or no power applied to device.
blinking
Port connected and communication active.
green
on
Port not connected but no communication.
 
 
 
3.3 Indicators and Switches
3.3.1 
RUN
3.3.2 
ERR
3.3.3 
LA
IN
3.3.4 
LA
OUT
