Instruction Manual

760008-A September 2001

Model NGA 2000 TO2

b. Analog Output Setup

In the System SIO Module menu (Figure 3-25), select Analog output setup…

TO2

37.50 ppm

-- Analog Output Setup --

 

Output number:

1

Choose signal source module…

 

Choose signal…

 

Signal value for 0% output:

0.00

Signal value for 100% output:

100.00

Output current:

0…20 mA

Hold output during calibration:

No

Signal name:

Sample flow

Current signal value:

8.60

Source module:

TO2

Measure

Back…

More…

turn to the previous menu automatically and the selected reference channel will be displayed in the “Source module:” line.

Choose signal

Select the “Signals” submenu by select- ing the “Choose signal…” line and press- ing the key.

Note: the parameters “Operation status” and “Validity” are not functional on the TO2. The list of signals will depend on the module chosen.

Select analog output number

Choose the desired analog output (1-8) to set the parameters. The number of out- puts depends on the analyzer configura- tion as 2, 4, 6, or 8.

TO2

37.50 ppm

-- Analog Output Setup --

 

Output number:

1

Choose signal source module…

 

Choose signal…

 

Signal value for 0% output:

0.00

Signal value for 100% output:

100.00

Output current:

0…20 mA

Hold output during calibration:

No

Signal name:

Sample flow

Current signal value:

8.60

Source module:

TO2

Measure

Back…

More…

TO2

37.50 ppm

 

-- Analyzer Modules --

TO2 1.0

MLT/CH1

MLT/CH2

MLT/CH3

Measure

<<<

Back…

>>>

TO2

37.50 ppm

 

-- Signals --

Sensor temp

Temp current

Sensor current

Sample flow

Range

Electrolyte level

Operation status

Validity

Measure

<<<

Back…

>>>

TO2

37.50 ppm

 

-- Signals --

 

Primary variable

Pr

Measure

<<<

Back…

>>>

Press the F5 key to go to a further menu to choose the Primary Variable signal for the analog output. The Primary Variable is the actual oxygen concentration.

The signal chosen here will be applied to the analog output (1-8) chosen above.

Choose the analyzer module

Select the “Analyzer Modules” submenu by selecting the “Choose signal source module…” line and pressing the key.

Select the tag of the desired reference channel with the or keys and then press the or key. The display will re-

3-26 Operation

Rosemount Analytical Inc. A Division of Emerson Process Management

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Emerson NGA 2000 TO2 Analog Output Setup, Choose signal, Select analog output number, Choose the analyzer module