Instruction Manual

FIELDVUE

Instruments
Instruction Manual Supplement
February 2009
3
RED WIRE
BLACK WIRE
1/8” PHONE PLUG
MINI AMPLIFIER/SPEAKER
RED BANANA PLUG
BLACK BANANA PLUG
0.1uF
CAPACITOR
470K OHM
RESISTOR
OUTPUT TO SPEAKER
TO FIELDVUE DIGITAL
VALVE CONTROLLER
INPUT JACK
Figure 2. HART

Communications Audio Monitor Circuit Diagram
Allow about one foot of wire on the output side and
attach the 1/8” phone plug (red wire to the center
post, black wire to shield). On the input side allow
about 3 feet of wire and attach the red banana plug
to the red wire and the black banana plug to the
black wire.
The 1/8” phone plug is connected to the input jack of
the amplifier/speaker box. The banana plugs are
either connected to the 375 Field Communicator
cable or are used with alligator clips or
Mini-grabber-style clips and connected to the “TALK
+/−” terminals of the FIELDVUE instrument.
Parts List
Note
Radio Shack
R
component part
numbers are specified as a suggested
way to obtain the components locally.
This is by no means an endorsement
of Radio Shack, or its products, or a
guarantee of their service,
functionality, or availability.
Note
Neither Emerson, Emerson Process
Management, nor any of their affiliated
entities assumes responsibility for the
selection, use, or maintenance of any
product. Responsibility for the
selection, use, and maintenance of any
product remains with the purchaser
and end-user.
Quantity Radio Shack
Description Required Part Number
Mini Amplifier/Speaker 1 277-1008
0.1uF ceramic disc capacitor 1 272-135
470K ohm carbon resistor 1 271-1133
General-purpose
Component PC Board 0.5” x 1.75” 276-149
18AWG two-conductor
stranded wire 4 feet approx 278-567
Banana plugs 1 pair 274-730
1/8” Phone Plug 1 274-286
Nylon wire ties, 4 inch long 2 278-1632
Electrician’s tape as needed