A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 15
mmmmm
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 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:
• Use shielded, twisted pair cable (wire gauge AWG 22 to AWG 14/ 0.34 mm
2
to
2.08 mm
2
).
• Separate cables and conduits may be required to conform to standard
instrumentation wiring practices, or electrical codes.
• The non-metallic enclosure does not provide a continuous ground path between
conduit connections: use grounding-type bushings and jumpers.
• For Intrinsically Safe setups, see page 93 for detailed information.
• For a Class 1, Div. 2 (FM) configuration, see the connection drawing on page 100.
2.
If cable is routed through conduit, use only approved suitable-size hubs for
waterproof applications.