Connecting; Basic Safety Information; Connecting Sitrans Lr250 - Siemens SITRANS L Series Compact Operating Instructions

Connecting

5.1

Basic safety information

NOTICE
Condensation in the device
Damage to device through formation of condensation if the temperature difference between
transportation or storage and the mounting location exceeds 20 °C (36 °F).
● Before taking the device into operation, let the device adapt for several hours in the new
Missing PE/ground connection
Risk of electric shock.
Depending on the device version, connect the power supply as follows:
● Power plug: Ensure that the used socket has a PE/ground conductor connection. Check
● Connecting terminals: Connect the terminals according to the terminal connection
5.2

Connecting SITRANS LR250

Incorrect connection to power source
Risk to personnel, system and environment can result from improper power connection.
● The DC input terminals shall be supplied from a source providing electrical isolation
● All field wiring must have insulation suitable for rated voltages.
SITRANS LR250 with mA/HART
Compact Operating Instructions, 11/2019, A5E48453192-AA
environment.
WARNING
that the PE/ground conductor connection of the socket and power plug match each other.
diagram. First connect the PE/ground conductor.
WARNING
between the input and output, in order to meet the applicable safety requirements of
IEC 61010-1. For example, Class 2 or Limited Energy Source.
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