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LEDs, connectors, buttons, card slots
2.2 LEDs
2.2
LEDs
LEDs of the device
To reduce current consumption, the LEDs are turned off during operation of the RTU. The
LEDs are only turned on in service mode.
The current statuses of the LEDs are always visible in the WBM of the RTU.
To signal the various statuses of the RTU, its inputs and outputs and the communications
properties, the RTU has the following LEDs:
Table 2- 2
Name
RTU status
DC IN
BAT
STATUS
Connection status
LAN
SIM
VPN
Status of the digital inputs (DI) and digital outputs (DQ)
DI 0 ... 7
DQ 0 ... 3
Status of the analog inputs (AI)
AI 0 ... 3
Wireless status
2G
3G
Information on the tables
LED symbols
The LED symbols in the following tables have the following significance:
Table 2- 3
Symbol
LED status
40
Overview of the LED groups
Possible colors
green / yellow
green / yellow
green / red
green / yellow
green / red
green
green
red
green / yellow
Meaning of the LED symbols
OFF
Meaning
Status of the external power supply
Use of the battery modules
Display of the mode, operating mode and errors
Status of the LAN interface:
Status of the wireless interface and the SIM card
Status of the tunnel connection
Status of the digital inputs and outputs
Status of the analog inputs and the connected sensors
Status of the data transfer and signal quality of the wireless
link
ON (steady light)
Operating Instructions, 09/2017, C79000-G8976-C382-04
Flashing
RTU3030C
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