Sorting and tolerance c hecking – HEIDENHAIN ND 231 B v.2 User Manual
Page 9

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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
connection 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 CLASS
Sorting ON/OFF
P18 L.CLASS.
Lower sorting limit
P19 U.CLASS.
Lower sorting limit
Sorting
and
Tolerance
C
hecking
Example: Upper sorting limit = 26.02 mm
Lower sorting limit = 26.00 mm
Reject
Accept
Rework