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Function library, Dfin (master frequency input), Transfer function – Lenze ECSCSxxx User Manual

Page 303: Example, Input frequency = 200 khz

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Function library

DFIN (master frequency input)

12

l

303

EDBCSXS064 EN 4.0

IMPORTANT

Possible settings

Code

Selection

Lenze/
{Appl.}

Designation

No.

[C0491] X8 in/out

0

Function of X8

^ 301

^ 304

^ 106

^ 113

0

X8 is input

1

X8 is output

Configuring the master frequency input signal

Via C0427, you configure the master frequency input signal:

Configuration C0427

Track

CW rotation

CCW rotation

C0427 = 0 (2 phases)

B

B

A

A

Z

Z

a

Track A leads by 90º
(positive value at DFIN_In_v)

Track A lags by 90º
(negative value at DFIN_In_v)

B

˘

˘

Signal sequence with phase shift (CW
rotation)

C0427 = 1 (A = speed, B = direction)

B

B

A

A

Z

Z

a

transmits the speed.

transmits the speed

B

= FALSE
(positive value at DFIN_In_v)

= TRUE
(negative value at DFIN_In_v)

Control of the direction of rotation via
track B

C0427 = 2 (A or B = speed or direction)

B

B

A

A

Z

Z

a

transmits speed and
direction of rotation
(positive value at DFIN_In_v)

= FALSE

B

= FALSE

transmits speed and
direction of rotation
(negative value at DFIN_In_v)

Control of speed and direction of rotation
via track A or track B

Transfer function

DFIN_In_v

+ f [Hz] @ 60

C0420

@ 2

14

15000

Example:

ƒ

Input frequency = 200 kHz

ƒ

C0420 = 2048 (increments/revolution)

DFIN_In_v [rpm]

+ 200000 Hz @ 60

2048

+ 5859 rpm

This manual is related to the following products: