Micro Motion Fisher Rosemount RFT9739, Instruction Manual

Page: 25 / 130

Transmitter Mounting
continued
RFT9739 Rack-Mount Transmitter Instruction Manual
15
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3.2 Connectors The back panel of the transmitter housing has two 32-pin connectors,
labeled CN1 and CN2, and a 2-pin connector, labeled CN3. Mating
terminal strips, shipped with the transmitter, plug into the connectors.
The detachable terminal strips enable wiring to remain connected when
the transmitter is removed from the rack.
• AC power-supply wiring connects to CN3
• DC power-supply wiring connects to CN2
• Sensor wiring connects to CN1
• Output wiring connects to CN2
Connectors CN1 and CN2 are available in two types, illustrated in
Figure 3-4, page 15.
• The standard rectangular configuration accommodates fast-on (wire-
pin) or soldered connections.
• The optional Y-shaped connectors have screw terminals, which
accommodate wires as large as 14 AWG (2.5 mm²).
• For fast-on/solder connectors, on connector CN1, pin row D is not
used; on connector CN2, pin row B is not used.
Connectors CN1 and CN2 meet DIN standard 41612, Model F (male).
• The positions of connectors CN1 and CN2 in a 19" rack are indicated in
Figure 3-2, page 13.
• See Chapter 4, page 17, for power-supply and sensor wiring
instructions.
• See Chapter 5, page 25, for output wiring instructions.
Figure 3-4. Types of connectors
Fast-on/solder
connecter
Y-Type
connector
CN1 or CN2
Front Side
CN2 CN1
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Front