Siemens SCALANCE M804PB Operating Instructions Manual page 25

LED
L
P1/P2
MPI
DI
DO
SCALANCE M804PB
Operating Instructions, 11/2023, C79000-G8976-C496-04
Status Meaning
OFF The device is turned off, no operating voltage.
ON The device is turned on, operating voltage is present.
OFF No VPN connection is established.
ON All configured VPN connections are established.
Flashing Only some of the configured VPN connections are established.
OFF There is no Ethernet connection to the local computer or LAN.
ON The Ethernet connection to the local computer or LAN has been established.
ON The device is receiving / sending data.
OFF There is no MPI/PROFIBUS connection.
ON The MPI/PROFIBUS connection has been established.
OFF The digital input is inactive.
ON The digital input is active.
OFF The digital output is inactive.
ON The digital output is active.
Description of the device
3.6 LED display
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