Siemens SINUMERIK 840D sl Function Manual page 287

Extended functions

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IF R1 <=2000 GOTOB LOOP_X

IF R2<=900 GOTOB LOOP_Y

You can read the compensation value under variable "Sag + temperature compensation" on

the user interface. To do so, select softkey "Diagnosis" followed by softkey "Service axis". The

currently effective compensation value is displayed next to the "Sag + temperature

compensation" variable.

;to prepare the table configuration, the Power On

;machine data is set

;Set option data for commissioning

;Define the number of interpolation points in the compensation tables

;Machine data configures the memory

$MN_MM_CEC_MAX_POINTS[0]=5

$MN_MM_CEC_MAX_POINTS[1]=5

$MN_MM_CEC_MAX_POINTS[2]=5

$MN_MM_CEC_MAX_POINTS[3]=5

$MN_MM_CEC_MAX_POINTS[4]=4

$MN_MM_CEC_MAX_POINTS[5]=4

$MN_MM_CEC_MAX_POINTS[6]=4

$MN_MM_CEC_MAX_POINTS[7]=4

$MA_CEC_MAX_SUM[AX3]=10.0

$MA_CEC_MAX_VELO[AX3]=100.0

The compensation values cannot be entered directly as a 2-dimensional grid. Compensation

tables in which the compensation values are entered must be created first.

A compensation table contains the compensation values of one row (four rows in the example,

i.e. four compensation tables). The compensation values 0.1 to 0.5 are entered in the first table

in the example, the compensation values 0.6 to 1.0 in the second table, and so on. The

Extended Functions

Function Manual, 10/2015, 6FC5397-1BP40-5BA3

; Wait to check the CEC value

; Define the maximum

; total compensation value

; Limit the maximum changes in the

; total compensation value

K3: Compensations

5.4 Interpolatory compensation

Sinumerik 828d