Siemens SINAMICS V20 Inverter Getting Started page 37

Parameter Description
P1020[0] BI: Fixed frequency selection bit 0
P1021[0] BI: Fixed frequency selection bit 1
P1022[0] BI: Fixed frequency selection bit 2
P1023[0] BI: Fixed frequency selection bit 3
P0771[0] CI: Analog output
P0731[0] BI: Function of digital output 1
P0732[0] BI: Function of digital output 2
Connection macro Cn005 - Analog input and fixed frequency
The analog input works as an additional setpoint.
● If DI2 and DI3 are active together, the selected frequencies are summed, i.e. FF1 + FF2
Function diagram
When the fixed speed is selected, the additional setpoint channel from the analog is
disabled. If there is no fixed speed setpoint, the setpoint channel connects to the analog
input.
SINAMICS V20 Inverter
Getting Started, 07/2012, A5E03728127
0~10V=
0~50/60Hz
10V AI1 AI2 0V DI1 DI2 DI3 DI4 DIC 24V 0V
0V 0V
AO+ AO- DO1+ DO1-
N
0~20mA=
0~50/60Hz
FF 01
r1025
FF 02
Factory Default for
default Cn004
722.3 722.0
722.4 722.1
722.5 722.2
722.6 722.3
21 21
52.3 52.2
52.7 52.3
DO2
P+ N-
220V
+
Commissioning
4.3 Quick commissioning
Remarks
DI1
DI2
DI3
DI4
Actual frequency
Inverter running
Inverter fault active
M M OK OK
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