Function library, Dfin (master frequency input), Transfer function – Lenze ECSCSxxx User Manual
Page 303: Example, Input frequency = 200 khz

Function library
DFIN (master frequency input)
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