Siemens ET 200SP HA, Equipment Manual

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Description
The ACT LED indicates the following status:
ACT LED Meaning (only relevant for IO device with redundant IM)
Off
There is no active data exchange with the I/O modules via this IM.
On
There is an active data exchange with the I/O modules via this IM.
The partner IM can apply the data exchange.
Flashes
There is an active data exchange with the I/O modules via this IM.
The partner IM cannot apply the data exchange.
7.2.5 PWR LED
Definition
The PWR LED provides you status information about supply voltage L+.
Description
The PWR LED indicates the following status:
PWR LED Meaning
Off
Missing supply voltage or insufficient supply voltage at the interface module.
On
Supply voltage L+ available.
7.2.6 LEDs LK1/LK2 on the BusAdapter
Definition
The LK LEDs on the BusAdapter are used to visualize the status of the Ethernet connection.
Displays and interrupts
7.2 LEDs
IM 155-6 PN HA
Equipment Manual, 09/2021, A5E39262148-AE
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