System modules – Lenze ECSCAxxx User Manual
Page 336
System modules
DFIN_IO_DigitalFrequency (node number 21)
Inputs_DFIN
l
336
EDBCSXA064 EN 3.2
13.16.1.2
Configurating touch probe
Process
If an edge change on the input actuating a TP (e. g. X6/DI1) occurs, the instantaneous
phase value (master frequency input value) is stored in the operating system by means of
a very fast interrupt.
DFIN_dnIncLastScan_p
TP
j
Fig. 13−24
Function diagram of a Touch Probe (TP)
Time−equidistant start of an interval task
J
Phase−angle signal
Codes
Code
Possible settings
IMPORTANT
No.
Designation
Lenze/
{Appl.}
Selection
C0428 DFIN TP sel.
0
DFIN touch probe signal source
^ 336
^ 331
0
Zero pulse of position encoder (C0490) X7/X8
1
Touch probe input TP1
X6/DI1
2
Zero pulse of digital frequency input
X8
C0429 TP1 delay
0
DFIN dead time compensation
TP1 (DI1)
^ 336
^ 331
−32767
{1 inc}
32767
C0431 DFIN TP Edge
0
DFIN touch probe TP1 edge
(for touch probe via digital input
X6/DI1 (C0428 = 1))
^ 336
0
Rising edge TP1
1
Falling edge TP1
2
Rising and falling edge TP1
3
Switched off