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KFU 2-/4-
58
5.7.1 Configuration
110
– Sensorless Control
Configuration 110 contains the functions for variable-speed control of a 3-phase ma-
chine in a wide range of standard applications. The motor speed is set according to
the selected ratio of the reference frequency to the necessary voltage.
Control terminal X210A
X210A.1
Voltage 20 V or input for
external power supply DC 24 V
±10%
X210A.2
GND 20 V/ GND 24 V (ext.)
X210A.3
Digital input STOA (1st shutdown
path of safety function STO)
X210A.4
Start of clockwise operation
X210A.5
Start of anticlockwise operation
X210A.6
Data set change-over 1
X210A.7
Data set change-over 2
Control terminal X210B
X210B.1
Motor thermal contact
X210B.2
Digital input STOB (2
nd
shutdown
path of safety function STO)
X210B.3
Run Signal
X210B.4
Analog signal of actual frequency
X210B.5
Supply v10V for reference
value potentiometer
X210B.6
Reference speed 0 ...+10 V
S7IND
S1OUT
MFO1A
+10 V/ 4 mA
MFI1A
GND 10 V
1
2
3
4
5
6
7
X210A
+20 V/180 mA
GND 20 V
S1IND
S2IND
S3IND
S4IND
S5IND
S6IND
X210B
1
2
3
4
5
6
7
M
V
+
-
+
-
STOA
STOB
24 V
ext.
X210B.7
Ground 10 V
5.7.2
Configuration 111 – Sensorless Control with Technology
Controller
Configuration 111 extends the functionality of the sensorless control by software func-
tions for easier adaptation to the customer's requirements in different applications.
The Technology Controller enables flow rate, pressure, level or speed control.
Control terminal X210A
X210A.1
Voltage 20 V or input for
external power supply DC 24 V
±10%
X210A.2
GND 20 V/ GND 24 V (ext.)
X210A.3
Digital input STOA (1st shutdown
path of safety function STO)
X210A.4
Fixed percentage value change-
over 1
X210A.5
Fixed percentage value change-
over 2
X210A.6
Data set change-over 1
X210A.7
Data set change-over 2
Control terminal X210B
X210B.1
Motor thermal contact
X210B.2
Digital input STOB (2
nd
shutdown
path of safety function STO)
X210B.3
Run Signal
X210B.4
Analog signal of actual frequency
X210B.5
Supply v10V
X210B.6
Actual percentage value 0 ...+10 V
S7IND
S1OUT
MFO1A
+10 V/4 mA
MFI1A
GND 10 V
1
2
3
4
5
6
7
X210A
+20 V/180 mA
GND 20 V
S1IND
S2IND
S3IND
S4IND
S5IND
S6IND
X210B
1
2
3
4
5
6
7
M
V
+
-
+
-
-
+
STOA
STOB
24 V
ext.
X210B.7
Ground 10 V