HEIDENHAIN ND 281B User Manual page 41

Measured value displays
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Switching signals
As soon as the trigger points defined in parameters are
reached, the corresponding outputs (pins 15, 16) are
activated. You can set up to two trigger points. The switching
point "zero" has a separate output (see "Zero crossover").
Signals for sorting and tolerance checking
If the sorting limits defined in parameters are exceeded, the
corresponding outputs (pins 17, 18) are activated.
Signals
Operating parameters
Switching signals
P62, switching limit 1
P63, switching limit 2
Sorting signals
P18, lower sorting limit
P19, upper sorting limit
Zero crossover
The display value "zero" activates the corresponding output
(pin 14). Minimum signal duration is 180 ms.
Output
Measured value < lower sorting limit
Measured value > upper
Pin
sorting limit
15
16
Lower limit Upper limit
17
18
Path
Weg
5
Pin 15
(A1)
Time curve of signal at pin 15 for trigger limit (A1) = 5 mm , t
Switching point
t
t
t
t
d
d
v
v
Path
Path
t
t
£
41
30 ms
d

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