World Class 3000

Instruction Manual

Appendix A Rev. 3.6

 

July 1998

A

 

d.Use a pencil to mark locations of spring clip on ceramic rod, Figure A-20.

e.Pry or squeeze tabs on spring clips, and pull contact and thermocouple assembly out of probe assembly. Retain spring clips and spring; replace if damaged.

Be very careful when handling contact and thermocouple assembly. The ce- ramic rod in this assembly is fragile.

f.While very carefully handling new contact and thermocouple assembly, lay old as- sembly next to new one. Transfer pencil marks to new rod.

CONTACT AND

HEATER SCREWS

(NOT SHOWN)

THERMOCOUPLER

 

ASSEMBLY

 

MOUNTING SCREW

V-STRUT

(REAR VIEW)

 

HEATER

CERAMIC ROD

INSULATING SPRING

GASKET CLIP

21240010

Figure A-20. Inner Probe Replacement (Heater, V-Strut, and Backplate Assembly)

g.Note wire lengths of old assembly as an aid for trimming new lengths in step (j). Trim- ming of wires will not always be necessary. Throw away old contact and thermocouple assembly.

h.Carefully guide new contact and thermo- couple assembly through V-strut assembly leaf spring (4, Figure A-21),spring (9), spring clip (10) (held open by squeezing tabs), and tube supports (11, 13) until spring clip reaches pencil mark.

i.Reinstall insulating gasket on backplate, re- place two screws, O-rings, lockwashers and flat washers connecting probe junction box to inner probe assembly.

Do not trim new wiring shorter than existing (old) wiring. Excessive wire trim will prevent connections from being properly made and will require a new replacement kit.

j.Trim wires, if necessary, as noted in step (g).

k.Connect color coded wires to proper termi- nals as shown in Figure A-16.Rosemount recommends connecting the thermocouple wires directly to the terminal strip. This is because the junction of different metals at the wires and lugs and at the lugs and the

1

3

4

4

5

 

 

 

 

 

 

 

 

6

 

 

13

2

11

 

11

10

9

7

 

 

 

 

12

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

 

1.

Heater Ceramic Rod

 

 

5.

Ring Lug

 

9.

Spring

2.

Contact and Thermocouple Assembly

6.

Butt Connector

10.

Spring Clip Assembly

3.

Strut

 

 

7.

Extension

 

11.

Common Tube Support

4.

Leaf Spring

 

 

8.

Backplate

 

12.

Heater

 

 

 

 

 

 

 

13.

Short Tube Support

Figure A-21. Heater, Strut, and Backplate Assembly

(Inner Probe Assembly)

Rosemount Analytical Inc. A Division of Emerson Process Management

Appendices A-21

Page 54 Page 56
Page 55
Image 55
Emerson 3000 manual Contact Heater Screws Not Shown Thermocoupler
Page 54 Page 56

3000 specifications

The Emerson 3000 is a cutting-edge control system designed to enhance the efficiency, reliability, and precision of industrial operations. Employed across various sectors such as oil and gas, pharmaceutical, food and beverage, and power generation, the Emerson 3000 has gained recognition for its robustness and versatility.

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In summary, the Emerson 3000 represents a fusion of advanced process control, modular design, IoT connectivity, robust cybersecurity, and user-centric interface, making it an ideal choice for industries seeking to enhance their operational performance while adapting to ever-evolving technological landscapes.
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