Leds To Display Operation - Siemens LOGO! CMR2040 Operating Instructions Manual

LEDs, connectors, buttons, card slots

2.2 LEDs to display operation

2.2 LEDs to display operation
The LEDs on the CMR provide information about the operating status of the device and the
two inputs/outputs.
Meaning of the LEDs
LED
All LEDs
L
Power supply
P1
LAN
R
Signal strength (mobile wireless)
30
Status Meaning
Flashing Fatal error
Lit Firmware being updated
Not lit
No voltage present or applied
•
Device shut down
•
Off No external power supply connected
On Power supply connected
Flashing Initialization or change to the configuration
Lit green Connection to Ethernet is established.
Part flashes yel- Data
low and part lit
green
Off No connection to Ethernet or no cable connected.
Lit green Very good
Lit yellow Medium
Off No or very bad signal
Flashing Data
LOGO! CMR2020,
Operating Instructions, 10/2016, C79000-G8976-C356-03
LOGO! CMR2040