HEIDENHAIN ND 287 User Manual - Manual (Page 52)

52
I Working with the ND 287 position display unit
I – 5 Ser
ies of measur
ements and statistical
pr
ocess
c
ontr
ol Setting up SPC
Call the SPC SETUP submenu to define the SPC parameters:
 Call the SPC menu.

Select SPC SETUP. This opens the SPC SETUP submenu. The
following parameters for setting up SPC are available:
 SAMPLES
 TOLERANCES
 CONTROL LIMITS
 STATISTICAL DISTRIBUTION
 MEASURED VALUE RECORDING
In the following sections you will find more detailed information on the
menu parameters.
Samples
To call the SAMPLES form:
 In the SPC SETUP submenu, select SAMPLES and press the
ENTER key to open the form.
 Use the numeric keys to enter the desired value in the NUMBER OF
SAMPLES field, and press the ENTER key to confirm. A minimum
of two and a maximum of 100 samples are allowed.
 Use the numeric keys to enter the number of measured values per
sample in the DATA PER SAMPLE field. Press the ENTER key to
confirm your entry. A minimum of three and a maximum of ten
measured values per sample are allowed.
 If you edit the values entered, the ND displays a warning. In order
to save the changes, the ND must clear the data stored in the
FIFO memory.
Press the ENTER key to confirm, or press the C key
to cancel.
Fig. I.56 SPC SETUP submenu
 In the sample parameters, you define the total number
of measured values for statistical process control
 If you edit the values entered, the ND displays a
warning
. In order to save the changes, the ND must
clear the data stored in the FIFO memory.
Press the
ENTER key to confirm, or press the C key to cancel.
Fig. I.57 Samples