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2.9 PR_CUST_LIN Block (PA Slot 4) Parameter List

2.9.1 Linear interpolation linearisation, Description

LinType 1 = “Linearisation Table” generates a customer specific linear interpolation linearisation. Linear

interpolation linearisation can be used on mV, ohmic and potentiometer signals.The linear interpolation

linearisation is defined by straight lines drawn between the entered X / Y (input / output) coordinates.

The linearisation table must consist of 10 to 50 coordinate sets. The X values of the coordinates must

be entered in ascending order. The lowest and highest X values function as the lower and the upper lim

it respectively. All X values must be entered as µV, Ohm or % for Voltage, Resistance or Potentiometer

measurements in that order. The table output will be converted to actual chosen PRMARY_VALUE_UNIT

(Example: 1000 / 3000 as X / Y values: output will read 3,00 if PRIMARY_VALUE_UNIT is set to “mV”

and 1 mV is connected to input).

2.9.2 Linear Interpolation Linearisation, Parameter List.

Parameter

Rel.

Index

Description Type Store

Size

byte

RO /

R/W

Min. Max. Default

TAB_MIN_NUMBER

29 Minimum number of linearisation points allowed (10)

Un-

signed

N 1 RO 10

TAB_MAX_NUMBER

30 Maximum number of linearisation points allowed (50)

Un-

signed

N 1 RO 50

TAB_ACTUAL_NUMBER

31 Number of linearisation points in the linearisation table.

Un-

signed

SRC 1 R/W 11

TAB_X_Y_VALUE1

32 Linearisation x,y coordinate 1

Float

array

SRC 8 R/W 0, 0

TAB_X_Y_VALUE2

33 Linearisation x,y coordinate 2

Float

array

SRC 8 R/W

1000,

100

TAB_X_Y_VALUE3

34 Linearisation x,y coordinate 3

Float

array

SRC 8 R/W

2000,

200

TAB_X_Y_VALUE4

35 Linearisation x,y coordinate 4

Float

array

SRC 8 R/W

3000,

300

TAB_X_Y_VALUE5

36 Linearisation x,y coordinate 5

Float

array

SRC 8 R/W

4000,

400

TAB_X_Y_VALUE6

37 Linearisation x,y coordinate 6

Float

array

SRC 8 R/W

5000,

500

TAB_X_Y_VALUE7

38 Linearisation x,y coordinate 7

Float

array

SRC 8 R/W

6000,

600

TAB_X_Y_VALUE8

39 Linearisation x,y coordinate 8

Float

array

SRC 8 R/W

7000,

700

TAB_X_Y_VALUE9

40 Linearisation x,y coordinate 9

Float

array

SRC 8 R/W

8000,

800

TAB_X_Y_VALUE10

41 Linearisation x,y coordinate 10

Float

array

SRC 8 R/W

9000,

900

TAB_X_Y_VALUE11

42 Linearisation x,y coordinate 11

Float

array

SRC 8 R/W

10000,

1000

TAB_X_Y_VALUE12

43 Linearisation x,y coordinate 12

Float

array

SRC 8 R/W 0, 0

TAB_X_Y_VALUE13

44 Linearisation x,y coordinate 13

Float

array

SRC 8 R/W 0, 0

TAB_X_Y_VALUE14

45 Linearisation x,y coordinate 14

Float

array

SRC 8 R/W 0, 0

TAB_X_Y_VALUE15

46 Linearisation x,y coordinate 15

Float

array

SRC 8 R/W 0, 0

TAB_X_Y_VALUE16

47 Linearisation x,y coordinate 16

Float

array

SRC 8 R/W 0, 0

TAB_X_Y_VALUE17

48 Linearisation x,y coordinate 17

Float

array

SRC 8 R/W 0, 0

TAB_X_Y_VALUE18

49 Linearisation x,y coordinate 18

Float

array

SRC 8 R/W 0, 0

TAB_X_Y_VALUE19

50 Linearisation x,y coordinate 19

Float

array

SRC 8 R/W 0, 0

TAB_X_Y_VALUE20

51 Linearisation x,y coordinate 20

Float

array

SRC 8 R/W 0, 0

TAB_X_Y_VALUE21

52 Linearisation x,y coordinate 21

Float

array

SRC 8 R/W 0, 0

TAB_X_Y_VALUE22

53 Linearisation x,y coordinate 22

Float

array

SRC 8 R/W 0, 0

1 2 ... 16 17 18 19 20 21 22 23 24 25 26

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Wika T53 User Manual Page 21

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