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Instruction Manual
760008-A
September 2001
3-26 Operation Rosemount Analytical Inc. A Division of Emerson Process Management
Model NGA 2000 TO2
b. Analog Output Setup
In the System SIO Module menu (Figure
3-25), select Analog output setup…
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.
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-
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.
Pr
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.
TO2 37.50 ppm
-- Analo
g
Out
p
ut Setu
p
--
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
-- Analo
g
Out
p
ut Setu
p
--
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
Measure
Back…
-- Analyzer Modules --
TO2 1.0
MLT/CH1
MLT/CH2
MLT/CH3
<<<
>>>
TO2 37.50 ppm
Measure
Back…
-- Si
g
nals --
Sensor temp
Temp current
Sensor current
Sample flow
Range
Electrolyte level
Operation status
Validity
<<<
>>>
TO2 37.50 ppm
Measure
Back…
-- Si
g
nals --
Primary variable
<<<
>>>