Micro Motion RFT9709 Manual de instrucciones Pagina 24

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16
RFT9709 Transmitter Instruction Manual
Wiring
continued
Figure 2-8. Wiring to Model DT sensors
0
1
2
3
4
5
6
7
8
9
Brown
Red
Clip drain wire back
Green
White
Clip drain wire back
Blue
Gray
Clip drain wire back
Orange
Violet
Yellow
Clip drain wire back
Model DT
sensor terminals
Flowmeter
cable
RFT9709
terminals
Brown
Red
Green
White
Blue
Gray
Orange
Violet
Yellow
Black
(Drains from all
wire sets)
Maximum cable length 1000 ft. (300 m)
Prepare cable in accordance with the instructions
that are shipped with the cable
Sensor wire number
User-supplied metal
junction box with
terminal block
Earth
ground
Optional remote temperature detector (RTD) wiring (required for API)
1. In the sensor junction box, identify the violet, yellow, and
orange wires that come from the sensor.
2. Disconnect these wires from the terminal block, then tie
all three together with a wire nut to protect exposed wire
ends.
3. Connect three wires from the external RTD to the
terminals from Step 2, as illustrated at left. If the RTD has
a fourth wire, it remains unconnected.
Model DT
sensor terminals
No connection
3-wire or 4-wire
RTD
Brown
Red
Orange
Yellow
Green
Blue
Violet
Gray
White
Brown
Red
Orange
Ye l l o w
Green
Blue
Violet
Gray
White
Black (drains)
Brown
Red
Orange
Yellow
Green
Blue
Violet
Gray
White
09wire.fm Page 16 Monday, March 1, 1999 4:31 PM
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