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Connecting
6.3 Hazardous area installations
3. Connect wires to terminals as shown below: polarity is identified on terminal block.
4. Tighten gland to form a good seal.
5. Press female end of cable from optional display onto male four-pin connector. See Remove
existing display (Page 44) for illustration.
6. Set optional display into enclosure. Buttons on display should sit over terminal block.
Gently turn display a quarter turn clockwise to secure the display in the enclosure.
7. Replace device lid. Thread onto enclosure, turning clockwise. Hand tighten until mechanical
stop is reached.
6.3
Hazardous area installations
Improper power supply
Risk of explosion in hazardous areas as result of incorrect power supply.
• Connect the device in accordance with the specified power supply and signal circuits.
24
WARNING
The relevant specifications can be found in the certificates, in Technical specifications
(Page 47) or on the nameplate.
SITRANS Probe LU240 with mA/HART
Compact Operating Instructions, 09/2021, A5E42673704-AE
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