Lenze EVS9332xK Bedienungsanleitung PDF herunterladen (Seite 169)

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101

Function library

Function blocks

3.2.41 Digital frequency input (DFIN)

3−141

EDSVS9332K−EXT EN 4.0

3.2.41 Digital frequency input (DFIN)

Purpose

Converting and scaling a pulsed current at the digital frequency input X9 into a speed and angle

setpoint. The digital frequency is transferred in a high−precision mode (without offset and gain errors).

C0425

DFIN

DFIN-OUT

C0426

C0427

Fig. 3−104 Digital frequency input (DFIN)

Signal

Source Note

Name Type DIS DIS format CFG List

DFIN−OUT phd C0426 dec [rpm] − −

Function

l The input X9 is designed for signals with TTL level.

l In the case of a digital frequency cascade or digital frequency bus, adapt the drive to the

connected encoder or upstream controller via C0425.

l The input of a zero track is optional.

l Via C0427 the following input signals can be evaluated:

C0427 = 0

Fig. 3−105 Phase−shifted signal sequence (CW rotation)

CW rotation Track A is leading track B by 90° (positive value at DFIN−OUT).

CCW rotation Track A is lagging track B by 90° (negative value at DFIN−OUT).

1 2 ... 164 165 166 167 168 169 170 171 172 173 174 ... 385 386

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