Wiring Plan - Siemens SITRANS LG270 Operating Instructions Manual

Overview
Electronics compartment
Terminal compartment
26
5.3

Wiring plan

1
Fig. 16: Position of connection compartment (Modbus electronics) and electron-
ics compartment (sensor electronics)
1 Terminal compartment
2 Electronics compartment
( )
Fig. 17: Electronics compartment, double chamber housing
1 Internal connection to the connection compartment
2 For display and adjustment module or interface adapter
Information:
The connection of an external display and adjustment unit is not pos-
sible with this double chamber housing.
( )
4
Fig. 18: Terminal compartment
1 USB interface
2 Slide switch for integrated termination resistor (120 Ω)
3 Voltage supply
4 Modbus signal
SITRANS LG270 - Operating Instructions
4...20mA
+
1
2
5 6
(-)
1 1
USB
MODBUS
power supply
+ 1 2 off on 3 4
(-)
2
2
7 8
1
2
5
3
PBD-51041066