Instruction Manual

760008-A September 2001

c. Ranges

Model NGA 2000 TO2

From the Analyzer Module Setup and Controls menu, choose Ranges as fol- lows:

Main Menu

Analyzer and I/O, expert controls and setup…

TO2

37.50 ppm

 

-- Analyzer Module Setup and Controls --

Calibration…

Alarms…

Ranges…

Linearization…

Measurement display configuration…

Concentration measurement…

Flow measurement…

Temperature measurement…

Measure

Status…

Back…

 

TO2

 

37.50 ppm

 

 

 

-- Ranges --

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Begin / end of ranges…

 

 

 

 

 

 

Actual range number:

3

 

 

 

Range and calibration control:

 

Local

 

 

 

 

 

 

 

Actual begin of range:

 

0.0 ppm

 

 

Actual end of range:

 

50.0 ppm

 

 

Measure

 

Back…

 

 

 

 

 

 

 

 

 

TO2

 

 

37.50 ppm

 

 

 

-- Begin / End of Ranges --

 

 

 

 

 

 

 

 

Range –

1 begin:

 

0.0 ppm

 

 

 

Range –

1 end:

 

10.0 ppm

 

 

Range –

2 begin:

 

0.0 ppm

 

 

Range –

2 end:

 

25.0 ppm

 

 

Range –

3 begin:

 

0.0 ppm

 

 

Range –

3 end:

 

50.0 ppm

 

 

Range –

4 begin:

 

0.0 ppm

 

 

Range –

4 end:

 

100.0 ppm

 

 

Measure

 

Back…

 

 

Move the cursor to the “Ranges…” line and press the key. The “Ranges” menu will dis- play as shown below.

The “Actual range number:” line on the Ranges menu shows the current range num- ber being used and allows changing of the range. The range values display below the line.

The “Range and calibration control:” function establishes the authority for setting the ana- lyzer range and starting calibration. The choices are:

Local: The range and calibration are con- trolled from the local platform. This is the normal mode of operation using the menus.

Program I/O module: The range and cali- bration are controlled by the programmable I/O board.

Inputs I/O module: The range and calibra- tion are controlled by the DIO digital inputs.

Move the cursor to the Begin/end of ranges..” line and press the key to reach the “Begin / End of Ranges” menu as shown.

Select any desired line and press the key to change any of the values using the and

keys or the and keys to select a digit.

Figure 3-19. Ranges

3-18 Operation

Rosemount Analytical Inc. A Division of Emerson Process Management

Page 42
Image 42
Emerson NGA 2000 TO2 instruction manual Ranges…, Begin / end of ranges…, Range Begin Ppm