CAN bus:
LED Status Meaning
Off
CAN bus is not the control channel of the drive amplifier.
Green fl.
The slave module is in the Pre-Operational status.
1 ×
Green fl.
The slave module is in the Stopped status.
Green
The slave module is in the Operational status.
Red fl.
Error in CAN configuration
1 ×
Red fl.
A CAN error counter has reached the warning level.
2 ×
Red fl.
Heartbeat / Node guarding error
3 ×
Red fl.
Synchronization error
LED 4
Red
Bus off status
EtherCAT:
LED Status Meaning
Off
The slave module is in the Init status.
Green fl.
The slave module is in the Pre-Operational status.
1 ×
Green fl.
The slave module is in the Safe-Operational status.
LED 5
Green
The slave module is in the Operational status.
Off
No error
Red fl.
Invalid configuration
Possible reason: Due to register or object settings the master cannot
change the status.
1 ×
Red fl.
Local error
The slave device application has modified the EtherCAT status. Possible
reasons:
▶ A host watchdog timeout has occurred.
▶ Synchronization error, the device switched automatically to Safe--Opera-
tional
2 ×
Red fl.
LED 6
Process data watchdog timeout
A process data watchdog timeout has occurred.
Possible reason: Sync-Manager-watchdog timeout
POWERLINK:
LED Status Meaning
Off
The slave module is initialized.
Green fl.
(2.5 Hz)
The slave module is in the Stopped status.
Green fl.
(10 Hz)
The slave module is in the Basic Ethernet status.
1 ×
Green fl.
The slave module is in the Pre-Operational 1 status.
2 ×
Green fl.
The slave module is in the Pre-Operational 2 status.
3 ×
Green fl.
The slave module is in the Ready to Operate status.
LED 5
Green
The slave module is in the Operational status.
Off
No error
LED 6
Red
The slave module has detected an error.
57Drive Amplifier SD4B - Hardware Description
LED Status Displays
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