Lenze EVF9383 - Manual (Page 234)

Configuration
Function blocks
Master frequency processing (DFSET)
8
8.2
8.2.5
l
8.2−18 EDSVF9383V EN 7.1−04/2012
8.2.5 Master frequency processing (DFSET)
The function block prepares the master frequency for the controller. You can
select values for the stretching and gearbox factor and carry out a speed or
phase trimming.
*
a
b
b
a
*
a
b
b
a
+
+
1
0
+
+
C0537
C0536/2
C0536/1
C0033 C0533
C0530
C0252
C0536/3
C0538/2
C0539
DFSET
DFSET-NOUT
+
-
DFSET-A-TRIM
DFSET-N-TRIM
DFSET-RAT-DIV
DFSET-RESET
DFSET-IN
DFSET-PSET
DFSET-VP-DIV DFSET-POUT
DFSET-SET
C0538/3
+
+
C0253
C0531
C0535 C0532
2
1
2
1
E4
E5
X5
X5
X9/6,7
MCTRL-PHI-ACT
C0538/1
DFSET-0-PULSE
DFSET-ACK
C0525
C0522
C0524
C0521
C0520
C0527
C0526
C0523
C0546
C0534
C0429
* C0529
C0528/1
C0528/2
CTRL
MCTRL-PHI-ACT
fb_dfset
Fig. 8.2−14 Digital frequency processing (DFSET)
Codes for parameter setting
Code Possible settings IMPORTANT
No. Name Lenze Selection
C0033 Gearbox
denom
1 1 {1} 32767 Gearbox factor − denominator of
the function block DFSET
^
8.2−18
C0252 Angle offset 0 −245760000 {1 inc.} 245760000 Phase offset for master frequency
processing, function block DFSET
l Fixed phase offset for digital
frequency configuration
l 1 rev. = 65536 inc
^
8.2−18
C0253 Angle n−trim à −32767 {1 inc.} 32767 Speed−dependent phase trimming
for the master frequency
processing, function block DFSET
à depending on C0005, C0025,
C0490
l Change of C0005, C0025 or
C0490 resets C0253 to the
corresponding Lenze setting
l 1 rev. = 65536 inc
l Value in C0253 is reached at
15000 rpm
Description