Connecting
6
6.1
Basic safety notes
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
environment.
WARNING
Connecting device in energized state
Risk of explosion in hazardous areas.
● Connect devices in hazardous areas only in a de-energized state.
6.2
Connecting SITRANS Probe LU240
WARNING
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
between the input and output, in order to meet the applicable safety requirements of
IEC 61010-1. For example, SELV source.
● All field wiring must have insulation suitable for rated voltages.
WARNING
Loss of protection
Loss of approvals can result from improper connection.
● Check the nameplate on your device, to verify the approval rating.
● Use approved cable gland/conduit seal to maintain TYPE 4X, TYPE 6, IP66, IP68 ratings.
● See Hazardous area installations (Page 25).
SITRANS Probe LU240 with mA/HART
Compact Operating Instructions, 10/2018, A5E42673704-AB
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