Lenze EVS 9300 series, System Manual

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Function library
Function blocks
9.2.65 Edge evaluation (TRANS)
9-217
L
EDSVS9332S-D11 EN 3.0
Function
This FB is an edge evaluator which can be retriggered. This FB can react to different events. The
following functions can be selected under code C0710 or C0716:
z Positive edge
z Negative edge
z Positive or negative edge
9.2.65.1 Evaluate positive edge
t
t
TRANS1--IN
TRANS1--OUT
C0711 C0711
Fig. 9-169 Evaluation of positive edges (TRANS1)
z The output TRANSx-OUT is set to HIGH as soon as a LOW-HIGH edge is sent to the input.
z After the time set under C0711 or C0716 has elapsed, the output changes again to LOW
unless there is another LOW-HIGH edge at the input.
9.2.65.2 Evaluate negative edge
t
t
TRANS1--IN
TRANS1--OUT
C0711
C0711
Fig. 9-170 Evaluation of negative edges (TRANS1)
z The output TRANSx-OUT is set to HIGH as soon as a HIGH-LOW edge is sent to the input.
z After the time set under C0711 or C0716 has elapsed, the output changes again to LOW,
unless there is another HIGH-LOW edge at the input.