Siemens SITRANS LR100 User Manual

Connecting
5.2Wiring plan
5.2 Wiring plan
Wire assignment, connection cable
Figure5.1 Wire assignment in permanently connected connection cable
Wire colour Function Polarity
1 Black Voltage supply, signal output Plus (+)
2 White Voltage supply, signal output Minus (-)
3 Shielding
5.3 Switch-on phase
After connection to the power supply, the device carries out a self-test:
• Internal check of the electronics
• Output signal is set to failure
The current measured value is then output on the signal cable.
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SITRANS LR100
Operating Instructions, 10/2021, 62705-76-01

Siemens SITRANS LR100 Specifications

General

Type	Radar Level Transmitter
Frequency	80 GHz
Process Pressure	Up to 3 bar
Output Signal	4 to 20 mA
Output	4 to 20 mA / HART
Communication Protocol	HART
Communication	HART
Enclosure Rating	IP68
Measuring Principle	FMCW Radar
Measuring range	0.08 to 30 m
Process Temperature	-40 to +80 °C
Power Supply	12 to 30 V DC
Housing Material	Aluminum