Sorting and tolerance checking – HEIDENHAIN ND 231 B v.1 User Manual
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Sorting and Tolerance Checking
In the sorting and tolerance checking mode, the display unit
compares the displayed value with the programmed upper and
lower sorting limits. The sorting and tolerance checking mode is
enabled and disabled with operating parameter P17.
Entering sorting limits
Sorting limits are entered in operating parameters P18 and P19
(see “Operating Parameters”).
Sorting signals
The display indicators and switching outputs at D-sub connec-
tion EXT (X41, see applicable section) sort the display value into
one of three classes.
Display
Meaning
=
Measured value is within sorting limits
<
Measured value is smaller than lower sorting limit
>
Measured value is greater than upper sorting limit
Operating parameters for sorting and tolerance checking
P17 SORT
Sorting ON/OFF
P18 L.LIMIT
Lower sorting limit
P19 U.LIMIT
Lower sorting limit
Sorting and Tolerance Checking
Example: Upper sorting limit = 26.02 mm
Lower sorting limit = 26.00 mm
Reject
Accept
Rework