Siemens SITRANS LR200 HART Guía Para La Puesta En Marcha Rápida página 7

Rod Assembly (PTFE rod antenna version only)
Optional
Extension
PTFE paste is supplied with
PTFE rod antenna versions
(non-sanitary type).
Wiring
1
Power
WARNINGS:
DC terminals shall be supplied from an SELV
1010-1 Annex H.
All field wiring must have insulation suitable for rated voltages.
Connecting SITRANS LR200
WARNINGS:
• Check the nameplate on your instrument, to verify the approval rating.
• Approved dust-tight and water-tight conduit seals are required for outdoor NEMA 4X
/ type 4X / NEMA 6, IP67, IP68 locations.
• Read Instructions specific to hazardous area installations
Notes:
• For detailed wiring instructions, please refer to the full Instruction Manual.
• Use shielded, twisted pair cable: AWG 22 to 14 (0.34 mm
• Separate cables and conduits
wiring practices, or electrical codes.
1.
Safety Extra Low Voltage
2.
If cable is routed through conduit, use only approved suitable-size hubs for waterproof application.
Page EN-6 SITRANS LR200 (HART) – QUICK START MANUAL
Notes:
• Water or process fluids must not enter the
connecting threads: this could cause reflections at
the connection, which will appear as false echoes.
100 mm (4")
• Apply a small amount of PTFE paste to the antenna
threads before threading the antenna together, and
tighten slowly. Ensure that the rod sections mate
securely with no gaps. Do not apply too much PTFE
50 mm (2")
paste or the parts will not mate securely.
• Do not use wrenches or pliers. Hand tighten only
(except in pressure applications: see warning
above).
2
2
may be required to conform to standard instrumentation
1
source in accordance with IEC-
on page 10.
2 2
to 2.5 mm ).
7ML19985QL83