Lenze EVS93 Series, System Manual

Page: 148 / 386

Function library
Function blocks
3.2.31 Conversion of stretch factor (CONVPHD)
3−120
l
EDSVS9332K−EXT EN 4.0
3.2.31 Conversion of stretch factor (CONVPHD)
One function block (CONVPHD1) is available.
Purpose
l
Exact adaptation of the incremental encoder
l
CONVPHD1 for the adjustment of the stretch factor via freely configurable inputs
Y
X
C 1 4 8 6 / 1
C 1 4 8 7 / 1
C 1 4 8 8 / 1
C 1 4 8 9 / 1
C 1 4 8 6 / 2
C 1 4 8 7 / 2
C O N V P H D 1 - N O M
C O N V P H D 1 - I N
C O N V P H D 1 - D E N
C 1 4 8 0
C O N V P H D 1
C O N V P H D 1 - O U T
± 1 9 6 5 r p m
Signal Source Note
Name Type DIS/selection DIS format CFG List
CONVPHD1−DEN ph 1487/2 dec [inc] 1486/2 3 Stretch factor denominator, input limited to
+1 to +200000000
CONVPHD1−IN phd 1489/1 dec [inc] 1488/1 4 The input is limited to 1965 rpm
CONVPHD1−NOM ph 1487/1 dec [inc] 1486/1 3 Stretch factor numerator, input limited to
1 to 200000000
CONVPHD1−OUT phd − − − Output in rpm
Function
l
Function block interconnection
l Encoder settings increments of one
l
Stretch factor setting over 6 decades
3.2.31.1 Function block interconnection
The function block is connected directly after the digital frequency input DFIN.
STOP!
The DFIN code C0425 must be set to selection 6 to evaluate the encoder signals correctly.