8 Operation
8.1 Status LEDs
When the device is operating, the operational status of the connections is indicated
visually by status LEDs.
Using these status indicators, the operator can find out quickly and easily whether the
device and the peripherals are working properly or whether any faults or errors have
occurred.
Monitoring the visual indicators is part of the routine inspection carried out on the
device and the machine/plant area into which the device is incorporated.
Meaning of symbols
Symbol Purpose
LED off
LED on
LED flashes
Device status
Location Designation LED behavior Description
Dev RDY Device ready, no errors
detected
1)
Device is booting
1)
/ boot
process error
Funct 1
Funct 2
User-defined, configurable
using SICK AppSpace
Funct 3 User-defined, configurable
with AppSpace
1)
Time delay before availability due to boot process (approx. 20s)
ETHERNET 1 - 2
Location Designation LED behavior Description
Link/Act Connection not established
with Ethernet.
Connection established
with Ethernet.
Data transmission via
Ethernet.
OPERATION 8
8028935//2023-09-26 | SICK O P E R A T I N G I N S T R U C T I O N S | SIM800
21
Subject to change without notice
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