World class 3000, Instruction bulletin – Emerson ROSEMOUNT 3000 User Manual

Page 171

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Instruction Bulletin

Appendix J Rev. 1.2

May 2005

Rosemount Analytical Inc. A Division of Emerson Process Management

Appendices J-5

World Class 3000

INTELLIGENT FIELD
TRANSMITTER IFT 3000

J1

JM1

J2

J3

J4

J5

J6

J7

J8

J9

250 OHM

LOAD RESISTOR

(SEE NOTE)

THE SIGNAL LOOP MUST BE BROKEN
TO INSERT THE OPTIONAL 250 OHM
LOAD RESISTOR.

NOTE:

LOOP

CONNECTORS

O 4-20 MA SIGNAL LINE

2

HART

COMMUNICATOR

MODEL 275/375

ANALOG OUTPUT DEVICE

HART COMMUNICATOR

REAR PANEL

JM8

3D39513G, REV 13

MICROPROCESSOR

BOARD

10

J1

JM6

J2

J3

SW2

SW3

A

B

C

D

ON

OFF

37840019

MICROPROCESSOR

BOARD

CURRENT/VOLTAGE SELECTION SWITCH
TO "CURRENT" POSITION

INTERCONNECT BOARD

ANALOG OUTPUT

RL 250

<

Figure J-3. Signal Line Connections, < 250 Ohms Load Resistance

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