Technical documentation - W.E.ST. Elektronik GmbH

MODE (of the linearization)
W.E.ST. Elektronik GmbH
Commands Parameter Defaults Units
mode x x= on|off off -
This command ist used for activation or deactivation of the characteristic linearization defined by the CC
command. To test the linearization it can be useful to deactivate this function.
CC (characteristic linearization)
Commands Parameter Defaults Units
cc:i x y i= -10… 10
x= -10000… 10000
y= -10000… 10000
-
-
-
0,01%
0,01%
A user defined characteristic can be used by this function.
The characteristic linearization defines positive values for the linearization of channel A and negative values
for channel B. Ten XY-points per solenoid are possible.
Every curve function is calculated according to the equation (linear interpolating between the points: y=(xx1)*(y1-y0)/x1-x0)+y1)
.
With the command MODE ON|OFF the linearization function can be activated or deactivated. The characteristic
between the input and the function CC can be considered by the process variables U to C in the
monitor / oscilloscope.
Caution: The table must be filled completely always from the top (10 then 9 then 8… and/or -10 then -9
then -8…). The lower unused range can be filled with cc:i 0 0.
Example:
Flow characteristics as a square function.
Command X-value Y-value
CC: -10 -10000 -10000
10000
CC: -9 -9000 -8100
CC: -8
CC: -7
-8000
-7000
-6400
-4900
7500
CC: -6 -6000 -3600
CC: -5 -5000 -2500
5000
CC: -4 -4000 -1600
CC: -3
CC: -2
-3000
-2000
-900
-400
2500
CC: -1 -1000 -100
CC: 0 0 0
0
CC: 1 1000 100 -10000 -7500 -5000 -2500 0 2500 5000 7500 10000
CC: 2
CC: 3
2000
3000
400
900
-2500
CC: 4 4000 1600
CC: 5 5000 2500
-5000
CC: 6 6000 3600
CC: 7
CC: 8
7000
8000
4900
6400
-7500
CC: 9 9000 8100
CC: 10 10000 10000 -10000
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Seite 16 von 22 12.03.2008