RDY Explanation
Firmware update in progress for the connected DRIVE-CLiQ components.
DRIVE-CLiQ component firmware update has been completed.
Waiting for POWER ON of the corresponding components.
Remedy: Switch the component off and on again.
or
CU detection via DCP flashing.
Remark: Both options depend on the LED status when activating via DCP.
Table 7-3 Status explanation of the COM LED
COM Explanation
No bus fault is present.
When the RDY LED lights up green and the COM LED is off, the converter is ready for
communication.
Temporary status after the supply voltage is switched on.
Bus ok. cyclic communication running perfectly
● Bus ok, however no setpoints (PLC in stop)
● In the isochronous mode: Bus ok, no synchronization
No bus connection
Remedy: Make sure that the bus cables are connected and are not damaged.
Bus error, possible causes:
● Incorrect configuration in the PLC (the same supplementary telegram has been set
twice?)
Table 7-4 Explanation of the RDY and COM LEDs - firmware update
RDY COM Explanation
Firmware update is active
LEDs are flashing synchronously:
Converter waits until the power supply is switched off and switched on again after
a firmware update
Diagnostics
7.1 Status displays and operating elements on the converter
SINAMICS S210 servo drive system
Operating Instructions, 12/2017, A5E41702836B AA 167
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