Model NGA 2000 TO2

Instruction Manual

760008-A September 2001

d. Basic Controls and Setup

The Basic Controls and Setup menu is used to set the range, initiate and exit a quick start and exit the sleep mode.

See section 0 to change the begin and end concentration values for each of the four ranges.

 

TO2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

37.50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ppm O2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.00

 

 

 

 

 

 

 

Range: 3

 

 

 

 

50.00

 

 

 

Electrolyte level:

 

 

OK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Temp current:

 

263 uA

0.0

 

 

 

 

 

 

600

 

 

 

Range:

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sensor Current:

0.0500 uA

0.0000

 

 

 

 

100.0000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Display

 

 

Status…

 

 

Main…

 

 

 

Channel

 

 

BasicCal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TO2

 

 

 

-- Basic Controls and Setup --

 

37.50 ppm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Range number:

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

Range upper limit:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100 ppm

 

 

 

Initiate quick start!

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Exit quick start!

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Exit Sleep mode!

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Next quick start possible after:

 

 

 

 

 

 

 

 

 

 

 

0 s

 

 

 

Quick start timer:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

45 s

 

 

 

Sleep mode timer:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2700 s

 

 

 

Operation status:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Normal

 

 

 

Measure

 

 

Status…

 

 

 

 

 

 

 

 

Back…

 

 

 

 

 

From the Measure menu press the F5 key (BasicCal) to reach the “Basic Controls and Setup” menu.

Alternately, from the Main menu select the “Analyzer basic controls (calibration) & setup” line.

See Section 1-1a for a description of the quick start process.

Range number:

To select one of the four ranges of the TO2 analyzer, Move the cursor to the “Range number:” line and press the key. Change the range number using the and keys and then press the key again to save the selection.

Move the cursor to the “Range upper limit:” line to see the full scale concentration limit for the selected range.

Figure 3-13. Basic Controls and Setup

Sleep Mode

The TO2 analyzer goes into sleep mode if an over range condition occurs to protect the sensor. The “Sleep mode timer:” counts down after sleep mode starts for the duration of 2700 seconds (45 min- utes). To exit sleep mode prematurely,

move the cursor to the “Exit sleep mode !” function and press the key.

Operation Status

This NGS display variable is not func- tional on the TO2 analyzer and will remain on “Normal.”

Rosemount Analytical Inc. A Division of Emerson Process Management

Operation 3-11

Page 35
Image 35
Emerson NGA 2000 TO2 instruction manual Basic Controls and Setup, Range number, Operation Status