Wiring Plan, Single Chamber Housing; Wiring Plan, Double Chamber Housing - Siemens SITRANS LG250 Operating Instructions Manual

Electronics and terminal
compartment
Electronics compartment
20
8. Connect the screen to the internal ground terminal, connect the
external ground terminal to potential equalisation
9. Tighten the compression nut of the cable entry gland. The seal
ring must completely encircle the cable
10. Reinsert the display and adjustment module, if one was installed
11. Screw the housing lid back on
The electrical connection is finished.
5.3

Wiring plan, single chamber housing

The following illustration applies to the non-Ex, Ex-ia and Ex-d-ia
version.
+
( )
1
Fig. 9: Electronics and terminal compartment, single chamber housing
1 Voltage supply, signal output
2 For display and adjustment module or interface adapter
3 For external display and adjustment unit
4 Ground terminal for connection of the cable screen
5.4

Wiring plan, double chamber housing

The following illustrations apply to the non-Ex as well as to the Ex-ia
version.
Fig. 10: Electronics compartment, double chamber housing
1 Internal connection to the terminal compartment
2 For display and adjustment module or interface adapter
SITRANS LG250 - Operating Instructions
4...20mA
1 2
5 6 7 8
(-)
4...20mA
+
1
2
( ) (-)
1
2
3
4
2
6 7 8
5
1
PBD-51041387