Bus Termination - Siemens SITRANS LR460 Kurzanleitung

6.
7.
8.
9.
SITRANS LR460 PROFIBUS PA wiring
(continued from
Note:
Power Demands
To determine how many devices can be connected to a bus line, calculate the combined
maximum current consumption of all the connected devices: 10.5 mA for SITRANS LR460.
Allow a current reserve for safety.

Bus Termination

PROFIBUS PA MUST be terminated at both extreme ends of the cable for it to work properly.
Please refer to the PROFIBUS PA User and Installation Guidelines (order number 2.092),
available from www.profibus.com.
Install in accordance with
available from www.profibus.com.
Page EN-8
Downloaded from www.Manualslib.com
Replace the enclosure cover and hand tighten it. The sealing ring must be clean and
undamaged.
Tighten the screw on the cover lock.
Connect the external earth terminal located between the cable glands to a ground
connection at your vessel. Use a cable with a cross-section of 2.5 mm
SITRANS LR460 HART wiring
Return to
Connecting SITRANS LR460
PROFIBUS PA is not polarity-sensitive.
PROFIBUS PA User and Installation Guidelines
AC version
cable clamp
SITRANS LR460 – QUICK START MANUAL
manuals search engine
on page 7 to complete LR460 set up.
on page 6)
DC version
earth
terminal
2
or greater.
(order number 2.092),
earth
cable clamp
terminal
A5E32007360