Siemens sitrans PROBE LU User Manual

Page 14 SITRANS Probe LU (PROFIBUS PA) – INSTRUCTION MANUAL 7ML19985JB02
Wiring
Wiring
Power
1
Connecting the SITRANS Probe LU
1. Strip the cable jacket for approximately 70 mm (2.75") from the end of the
PROFIBUS PA cable, and thread the wires through the gland
2
.
WARNINGS:
DC terminals shall be supplied from an SELV
1
source in
accordance with IEC-1010-1 Annex H.
All field wiring must have insulation suitable for rated voltages.
1.
Safety Extra Low Voltage
Notes:
• For detailed information on Intrinsically Safe setups, see Appendix J: Hazardous
area installations on page 103.
• Please see
Non-incendive (FM Class I, Div. 2) wiring drawing on page 111 for
drawing number 23650583.
• The non-metallic enclosure does not provide a continuous ground path between
conduit connections: use grounding-type bushings and jumpers.
• Separate cables and conduits may be required to conform to standard
instrumentation wiring practices, or electrical codes.
2.
If cable is routed through conduit, use only approved suitable-size hubs for
waterproof applications.
cover screws
threaded
connection
cable gland
for 2 x 1/2" NPT
metallic cable entry
terminals for
PROFIBUS PA
cable
cable

Siemens sitrans PROBE LU Specifications

General

Measuring Principle	Ultrasonic
Communication	HART
Output	4 to 20 mA
Power Supply	12 to 30 V DC
Process Temperature	-40 to 80 °C
Enclosure Rating	IP68
Material	PVDF
Ambient Temperature	-40 to 70 °C
Measurement Range	0.25 to 12 m (0.8 to 39 ft)