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5function blocks – Lenze E94A User Manual

Page 145

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Lenze · 9400 function library · Reference manual · DMS 6.7 EN · 08/2014 · TD05

145

5

Function blocks

5.2

L_CamContactor - cam group with switch-on and switch-off dynamisation

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

Position-time cams in positive effective direction
If the input position dnPosIn_p reaches the cam switch-on position in positive effective direction,

the output bOut is set to TRUE and is only reset to FALSE after the time defined has elapsed.

• Once the output is set to TRUE, a following change in direction has no impact on the cam signal.

[5-6]

Example: Position-time cams in positive effective direction

Position-time cams in negative effective direction
If the input position dnPosIn_p reaches the cam switch-on position in negative effective direction,

the output bOut is set to TRUE and is only reset to FALSE after the time defined has elapsed.

• Once the output is set to TRUE, a following change in direction has no impact on the cam signal.

[5-7]

Example: Position-time cams in negative effective direction

V

t

t

dnPosIn_p

bOut

t

on

0

t

t

V

t

t

dnPosIn_p

bOut

t

on

0

t

t