Emerson I-0021 用户手册
5 - 36
NGA 2000
90003482(2) [NGA-e (MLT-Software 3.2.X)] 07/98
5) Calculate linearization curve:
•
Change in the menu "Linearization" to the menu line "Calculate linearization curve
coefficients..." with the
coefficients..." with the
↑↑
-key or the
↓↓
-key.
•
Press the
88
-key or the
→
→
-key to change to the corresponding submenu:
•
Press the
88
-key or the
→
→
-key in the line "Used method" to select the parameter and
setup "Splines" or "4th-order polyn."; confirm it with the
88
-key.
•
Change to the line "Effected range for 4th-order polynomial" with the
↓↓
-key.
•
Press the
88
-key or the
→
→
-key to select the parameter.
•
Select any of the four ranges or all ranges with the
↑↑
-key or the
↓↓
-key and confirm
your adjustment with the
88
-key.
•
Change to the line "Start calculation for used method !" with the
↑↑
-key or the
↓↓
-key
and start the calculation of the linearization curve with the
88
-key.
6) Enable the linearization:
•
Change in the menu "Linearization" with the
↑↑
-key or the
↓↓
-key to the line
"Linearizer is".
•
Press the
88
-key or the
→
→
-key and select "Enabled" with the
↑↑
-key or the
↓↓
-key.
•
Confirm your adjustment with the
88
-key.
7) Linearization control:
•
Repeat the measurement with the same setpoint values used for the linearization
curve.
curve.
•
The full scale deviation has to be better than 1% rel. !
Further Setups and ramifications in the menu "Linearization":
♦
Set all raw/setpoint values to 0.0 !
Starting this function will reset all x/y-pairs of raw and setpoint values to zero.
Starting this function will reset all x/y-pairs of raw and setpoint values to zero.
♦
Menu Line "Linearization Procedure...":
Via this line you can change to the menu "Linearization Procedure", where you can
Via this line you can change to the menu "Linearization Procedure", where you can
•
set up gas blender parameters
•
set up the valve position
•
control the linearization procedure status
Measure
Back...
TAG
F1
F3
F4
3163.860 ppm
Start calculation for used method !
Used x/y-pairs:
Used method:
Used method:
Splines
All ranges
Used method:
** Unused x/y-pairs must be set to 0.0 **