Lenze EVS9332xS Manuel d'utilisateur télécharger pdf (Page 236)

Function library

Function blocks

3.2.64 Edge evaluation (TRANS)

3−184

EDSVS9332S−EXT EN 2.0

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:

l Positive edge

l Negative edge

l Positive or negative edge

3.2.64.1 Evaluate positive edge

TRANS1−IN

TRANS1−OUT

C0711 C0711

Fig. 3−169 Evaluation of positive edges (TRANS1)

The output TRANSx−OUT is set to HIGH as soon as a LOW−HIGH edge is sent to the input.

l 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.

3.2.64.2 Evaluate negative edge

TRANS1−IN

TRANS1−OUT

C0711

Fig. 3−170 Evaluation of negative edges (TRANS1)

The output TRANSx−OUT is set to HIGH as soon as a HIGH−LOW edge is sent to the input.

l 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.

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Lenze EVS9332xS Manuel d'utilisateur Page 236