Connecting The Sitrans Lc300 - Siemens SITRANS LC300 Operating Instructions Manual

Wiring
①
②
③
④
⑤
⑥
5.3
5.4

Connecting the SITRANS LC300

1. Loosen the retaining lid clip and remove the enclosure cover.
2. Loosen the cable gland and thread the cable through it.
3. Connect the power/signal conductor wires to the current-loop terminal blocks (any polarity).
The loop voltage must be between 12 and 30 V DC.
4. Ground the enclosure by connecting the housing and the process connection with either the
stilling well and/or the tank wall, using the ground lug near the bottom of the housing.
5. Check that all connections are secure.
6. Replace enclosure cover and tighten retaining lid clip.
18
Menu/Function selector
For factory software update use only
With safety barrier
White (S)
Black (O)
Red (+)
4-20 mA (2-wire) current-loop
Measurement signal (non polarity sensitive)
Down / - button
Up / + button
Without safety barrier
Orange (S)
Black (O)
Red (+)
Operating Instructions, 05/2021, A5E47904073-AA
SITRANS LC300