Emerson 3081FG Upper Range VAL, Cell T HI, O2 Concentration Indicator Fault Value

Model 3081FG

Instruction Manual

IB-106-3081 Rev. 1.5 September 2002

O2 CONCENTRATION

%

lowed cell temperature before a fault condi- tion is indicated. Press ENTER to begin editing. Use the arrow keys to select and change the value. The value must be be- tween 550° and 1600°C. Press ENTER to accept the value. Pressing NEXT displays the RESET MAX CELL T screen.

O2 CONCENTRATION

3

mA

%

INDICATOR

FAULT VALUE

26020010

Figure 3-9. FAULT VAL

c.FAULT VAL

Refer to Figure 3-9. Use this screen to set the value that the 4-20 mA output will drive to and display during a fault condition. Press ENTER to begin editing. Use the arrow keys to enter a fault value. The fault value can be between 3.8 and 24 mA. Then, press EN- TER to accept the value. Pressing NEXT displays the UPPER RANGE VAL screen.

Refer to Section 6, TROUBLESHOOTING, for the actual fault conditions.

d.UPPER RANGE VAL

Refer to Figure 3-10. Use this screen to set the value of the upper range limit. This value is the maximum limit of the O2 con- centration measurement and is used to scale the 4-20 mA output. Press ENTER to begin editing. Use the arrow keys to select and change the value. The upper range value can be between 0 and 25%. Then, press ENTER to accept the value. Pressing NEXT displays the CELL T HI screen.

e.CELL T HI

Refer to Figure 3-11. Use this screen to set the value of the upper cell temperature fault condition. This value is the maximum al-

%

UPPER

RANGE LIMIT

26020011

Figure 3-10. UPPER RANGE VAL

O2 CONCENTRATION

%

UPPER CELL

TEMPERATURE

FAULT VALUE

26020012

Figure 3-11. CELL T HI

Rosemount Analytical Inc. A Division of Emerson Process Management Startup and Operation 3-7