Emerson-process-management OXYMITTER 4000 Manuale Utente Scaricare il pdf (Pagina 85)

Instruction Manual

IB-106-340C Rev. 4.1

July 2004

Rosemount Analytical Inc. A Division of Emerson Process Management Startup and Operation with LOI 6-7

Hazardous Area Oxymitter 4000

6-8 OXYMITTER 4000 TEST POINTS

Refer to Figure 6-6. System test points are

located on the board below the LOI module.

Test points 1 through 6 allow you to monitor

with a multimeter: the heater thermocouple,

the O

cell millivolt, and the process O

a. TP1 and TP2 monitor the oxygen cell

millivolt output which equates to the

percentage of oxygen present.

b. TP3 and TP4 monitor the heater thermo-

couple.

c. TP5 and TP6 monitor the process gas or

the calibration gas parameter.

6-9 MODEL 751 REMOTE POWERED LOOP

LCD DISPLAY (OPTIONAL)

Refer to Remote Powered Loop LCD manual

for calibration and operation.

TP1

TP2

TP3

RED

YEL

GRN

ORG

TP4

TP5

TP6

37260037

Figure 6-6. Test Points

1 2 ... 80 81 82 83 84 85 86 87 88 89 90 ... 149 150

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Emerson-process-management OXYMITTER 4000 Manuale Utente Pagina 85