Xtralis HeiTel CamDisc HNVR Product Manual page 37

HeiTel by Xtralis
Continuous recording and permanent contact
The opened and closed states are used to control permanent recording. The logical state Open corresponds to
an unswitched control input, and Closed to a grounded contact. Different recording speeds can be defined for
both states.
Figure 5-1: Permanent recording with state sensitive control input
Continuous recording and edge trigger
Permanent recording can be influenced by defining a certain edge. A normally closed contact produces a
positive edge upon opening (from low to high, Edge +) while a normally open contact produces a negative
edge (from high to low, Edge –) upon closing. The recording interval and the number of frames to be recorded
can be defined for each edge. To calculate recording time, multiply interval by number of frames.
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CamDisc HNVR Product Guide
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