WIKA T53 User Manual
Page 17
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TAB_XY_VALUE5 . .
= .0,8; .300 .
TAB_XY_VALUE6 . .
= .1,6; .400 .
TAB_XY_VALUE7 . .
= .3,; .500 .
TAB_XY_VALUE8 . .
= .6,4; .600 .
TAB_XY_VALUE9 . .
= .1,8; .700 .
TAB_XY_VALUE10 . .
= .5,6; .800
(Output .will .readout .35% .with .1,0% .potentiometer .value)
.6 .13 .Measurement .of .TC .(with .Custom .Polynomial .Linearisation) .on .sensor .1
PRIMARY_VALUE_UNIT .
= .K, .°C, .°F .or .°R . .
LIN_TYPE .
= .Custom .defined .TC .
LIN_TYPE_ .
= .N/A .(ignored .in .setup .check) . .
SENSOR_MEAS_TYPE .
= .PV .= .SV_1, .SV_ .not .available .
SENSOR_CONNECTION . = .N/A .(ignored .in .setup .check) . .
SENSOR_CONNECTION_ .= .N/A .(ignored .in .setup .check) . .
RJ_TYPE .
= .No .Reference .Junction, .Internal, .External .(constant .value) .or . .
.
. Sensor .-wire .or .Sensor .3-wire . .
Connections:
Now .enter .the .Custom .TC .parameters .in .PR_CUST_LIN .Block .(PA .Slot .4) . .See . .9 .4 .Custom .
Polynomial .Linearisation, .Parameter .List .for .further .details . .
Remember .to .enter .values .for .the .RJ .polynomial .if .RJ_TYPE .is .any .value .other .than .“No .ref-
erence .Junction” . .
Example: .
The .parameters .and .coefficients .for .converting .a .special .TC .to .a .linear .temperature .signal .
CUSTOM_TC_NAME .
= .Custom .TC .Example .
CUSTOM_TC_POLY_COUNT . = .5 .
CUSTOM_TC_MIN_IN .
= .-6500 .0 .
CUSTOM_TC_MIN_OUT .
= .-100 .0 .
CUSTOM_TC_MAX_OUT .
= .100 .0
A .TC .input .of .5000 .µV .and .an .RJ .temperature .of .5ºC .will .make .POLY_3 .the .active .and .the .
output .will .be: .
U
RJ
.= .-3 .94 .* .10
-1
.+ .3 .94 .* .10
1
.* .5 .+ . .65 .* .10
-
.* .5
.- .1 .11 .* .10
-4
.* .5
3
.= .1000 .µV
This .voltage .is .to .be .added .to .the .TC .voltage .(5000 .+ .1000), .and .the .resulting .temperature .will .be: .
4 .18 .+ . .6 .* .10
-
.* .6000 .+ .1 .41 .* .10
-7
.* .6000
.+ .1 .50 .* .10
-11
.* .6000
3
.- .1 .35 .* .10
-15
.* .6000
4
.= .146 .3 .°C .
See . . .9 .3 .Custom .polynomial .linearisation, .Description .for .formula .and .further .details .
CUSTOM_TC_POLY_X
max . .input .
limit .in .µV .
for .POLY_X
4th .degree .
coefficient .
for .POLY_X
3th .degree .
coefficient .
for .POLY_X
th .degree .
coefficient .
for .POLY_X
1st .degree .
coefficient .
for .POLY_X
0 .degree .
coefficient .
for .POLY_X
CUSTOM_TC_POLY_1
-300 .0
-3 .84E-13
-5 .65E-9
-3 .36E-5
-6 .10E-
-8 .44E1
CUSTOM_TC_POLY_
3500 .0
-8 .13E-15
7 .9E-11
-4 .18E-7
.53E-
-1 .08E-
CUSTOM_TC_POLY_3
10000 .0
-1 .35E-15
1 .50E-11
1 .41E-7
.6E-
4 .18
CUSTOM_TC_POLY_4
30000 .0
3 .49E-18
.19E-1
-1 .53E-7
.68E-
-9 .6
CUSTOM_TC_POLY_5
70000 .0
6 .7E-17
-8 .76E-1
5 .34E-7
8 .69E-3
1 .65E
3th .degree . .
coefficient
th .degree . .
coefficient
1st .degree . .
coefficient
0 .degree . .
coefficient
CUSTOM_TC_RJ_POLY
-1 .11E-4
.65E-
3 .94E1
3 .94E-1