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3 telegram failure detection, 4 signal characteristics, 5function blocks – Lenze E94A User Manual

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

477

5

Function blocks

5.127

L_SdInterExtrapolatePosition - signal interpolation

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5.127.3

Telegram failure detection

An optional telegram failure detection can be activated in C04435, either via toggle input or SyncIn-

put interface (SB LS_SyncInput).

• Telegram failure detection serves to fill in missing process data values.
• The maximum number of accepted telegram failures before interpolation/extrapolation is

stopped can be set in C04434.

5.127.4

Signal characteristics

Extrapolation without telegram failure detection
Selection: Telegram failure detection (C04435) = "0: Deactivated"

[5-85] Input values OK

[5-86] Input values not OK, number of accepted telegram failures = 0