Siemens SIRIUS 3RW5 Equipment Manual page 96

Messages and diagnostics
7.1 LED display
"BUS" LED
State
"LINK" LED
State
96
Meaning
Device is performing data exchange
(3RW5 Soft Starter in Automatic mode).
Lights up green
Bus error, e.g.:
•
–
Lights up red
–
Switchover from old to new firmware after firmware update
•
(temporarily lights up)
Configuring error
•
Timeout for TCP keep-alive monitoring.
•
Flashes red
Device not performing data exchange
•
No Modbus TCP client connected
•
If the Modbus TCP client is connected, no data exchange has occurred
•
Off after the 3RW5 communication module has started up.
No supply voltage available.
•
Meaning
There is at least one Ethernet connection between the
3RW5 communication module and a communication partner
Lights up green
(e.g. Ethernet switch).
The "node flash test" was activated.
Flashes green
There is no Ethernet connection between the
•
Off 3RW5 communication module and a communication partner
(e.g. Ethernet switch).
No supply voltage available.
•
Timeout for access monitoring of the control source.
Modbus TCP cable not connected.
Equipment Manual, 03/2020, A5E43676481002A/RS-AC/003
SIRIUS 3RW5 Modbus communication module