Lenze EVF9383 - Manual (Page 227)

Configuration
Function blocks
Master frequency output (DFOUT)
8
8.2
8.2.3
l
8.2−11 EDSVF9383V EN 7.1−04/2012
Setting: C0540 = 0
ƒ The analog signal at the input DFOUT−AN−IN is converted into a
frequency and output to X10.
ƒ Frequency calculation:
f [Hz]
+ DFOUT−AN−IN [%] @ C0030
100 @
C0011
60
Example:
The input signal at DFOUT−AN−IN amounts to 50 %, the number of
increments corresponds to 2048 inc/rev. (C0030 = 3) and the maximum
speed (C0011) is set to 3000 rpm.
f [Hz]
+ 50 % @ 2048
100 @
3000
60
+ 51200 Hz
Generating an index pulse
An artificial index signal can be generated for the output frequency.
1. Set the input DFOUT−SYN−RDY = HIGH.
– 360° later, a LOW−HIGH edge generates the index pulse.
– Then a zero pulse is generated every 360 ° according to C0030.
2. If necessary, shift the zero pulse by up to 360 ° (65536 inc = 360 °) via
C0545.
Setting: C0540 = 1
ƒ The speed signal at the input DFOUT−DF−IN is converted into a
frequency and output to X10.
ƒ Frequency calculation:
f [Hz]
+ DFOUT−DF−IN [rpm] @ C0030
60
Example:
The input signal at DFOUT−DF−IN amounts to 3000 rpm, the number of
increments corresponds to 2048 inc/revolution (C0030 = 3).
f [Hz]
+ 3000 rpm @ 2048
60
+ 102400 Hz
Generating a zero pulse
An artificial zero pulse can be generated for the output frequency.
1. Set the input DFOUT−SYN−RDY = HIGH.
– 360° later, a LOW−HIGH edge generates the zero pulse.
– Then a zero pulse is generated every 360 ° according to C0030.
2. If necessary, shift the zero pulse by up to 360 ° (65536 inc = 360 °) via
C0545.
Output of analog signal as
frequency
Output of the speed signal as
frequency