10 Status Display and Error Messages
10.1 LED Status Display: EtherCAT Connection
Fig. 7: EtherCAT LEDs (device bottom side)
LED Color Status Meaning
TX1 Green Data transmission (TX) active
TX2 Yellow Speed = 100 MBit
RX1 Green Data reception (RX) active
RX2 Yellow Speed = 100 MBit
LED Color Status Meaning
L1 – status Green Init: Communication between master and slave (drive) is
not possible
(fast)
Pre-operational: Only SDO communication is possible. No
process data are transmitted.
The LED flashes at the following intervals:
(slow)
Safe-operational: As process data only actual values are
transmitted from the slave (drive) to the master. SDO
communication is possible.
The LED flashes at the following intervals:
Operational: The complete data channel is active.
L2 – error Red Communication error
L3 – processor Green
Processor watchdog: Processor is active.
(L3 and L4 flash alternately.)
L4 – processor Green
W
Status Display and Error Messages
Drive System SD2S - Hardware Description 0362X49xy / 0362129xy 81
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