Configuration of the CPU 410
3.3 Status and error displays
CPU 410 Process Automation/CPU 410 SMART
System Manual, 05/2017, A5E31622160-AC
43
The IFM1F and IFM2F LEDs indicate errors on the first or second synchronization module.
Table 3- 6 Possible states of the IFM1F and IFM2F LEDs
Lit Irrelevant An error was detected on synchronization module 1.
An error was detected on synchronization module 2
The LINK and RX/TX LEDs indicate the current state of the PROFINET IO interfaces.
Table 3- 7 Possible states of the LINK and RX/TX LEDs
Connection at the PROFINET IO interface is active
Irrelevant Flashes
6 Hz
Receiving or sending data at the PROFINET IO interface.
Note
The LINK and RX/TX LEDs are located directly next to the sock
ets of the PROFINET IO
interfaces. They are not labeled.
The REDF LED indicates specific system states and redundancy errors.
Table 3- 8 Possible states of the REDF LED
Flashes
Link-up -
Flashes
Update -
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