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Reference Manual
00809-0100-4808, Rev CA
June 2008
Rosemount 3051N
www.rosemountnuclear.com
Section 6 Options
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 6-1
Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 6-1
LCD Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 6-1
Mounting Brackets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 6-7
Transient Protection Terminal Block (T1) . . . . . . . . . . . . . page 6-8
OVERVIEW The options available with the Rosemount 3051N can ease installation,
improve the security of control systems, and simplify use. Included in this
section is a description of LCD meter diagnostic messages. The Rosemount
3051N LCD meter option is qualified to maintain structural integrity throughout
the specified seismic event. Operability of the LCD meter is not addressed for
during or post a seismic event.
SAFETY MESSAGES Procedures and instructions in this section may require special precautions to
ensure the safety of the personnel performing the operations. Information that
raises potential safety issues is indicated by a warning symbol ( ). Refer to
the following safety messages before performing an operation preceded by
this symbol.
Warnings
LCD METER The LCD meter provides local indication of the output and abbreviated
diagnostic messages governing transmitter operation. The meter is located on
the electronics module side of the transmitter, maintaining direct access to the
signal terminals. An extended cover is required to accommodate the meter.
Explosions can result in death or serious injury.
• Do not remove the instrument cover in explosive environments when the circuit
is alive.
• Before connecting a communicator in an explosive atmosphere, make sure the
instruments in the loop are installed in accordance with intrinsically safe or
nonincendive field wiring practices.
Electrical shock can result in death or serious injury.
• Avoid contact with the leads and terminals.