NFO
Drives
AB
2021
201013
‐
2
Operating
and
Installation
Manual
46
9.3.3 Running with analog setpoint
Example below applies to running motor with analogue setpoint 0 – 10 V resulting in 10 – 60 Hz frequency.
Connect analog control signal between terminal 20 (AIN1.P) and terminal 21 (AIN1.N).
Check that parameter
Ain 1 Type
in parameter group
Control
is set to
0-10 V
.
Set
parameter
Min Freq
in parameter group
Frequency
to 10Hz.
Set
parameter
Max Freq
in parameter group
Frequency
to 60Hz.
Start motor by connecting terminal 1 (DIN1, Run signal)) to terminal 9 (+24V).
Stop motor by disconnecting terminal 1 and terminal 9.
9.3.4 Process regulation with fixed setpoint
The procedure below is designed for process regulation with fixed setpoint and feedback signal 0 – 10V using a 0 –
300 kPa pressure sensor. Control mode
Frequency
will be used.
Set
parameter
Control Mode
in parameter group
Control
to
PI-reg
.
Connect actual value signal between terminal 22 (AIN2.P) and terminal 23 (AIN2.N).
Check that parameter
Ain 2 Type
in parameter group
Control
is set to
0-10V
.
Set
parameter
Unit
in parameter group
PI-reg
to k
Pa
.
Set
parameter
Op Mode
in parameter group
PI-reg
to
Fix1 F
.
Adjust parameter F
ix Reg1
in parameter group
PI-reg
to desired setpoint value.
Set desired max and min motor frequency using parameter
Max Freq
and
Max Freq
in parameter group
PI-reg
.
Set actual value sensor measures at 0V (0 kPa) using parameter
Actual Min
in parameter group
PI-reg
.
Set actual value sensor measures at 10V (300 kPa) using parameter
Actual Max
in parameter group
PI-reg
.
Set the regulator amplification using parameter Reg Kp in parameter group PI-reg.
Set regulator integration time using parameter Reg Ti in parameter group PI-reg.
Start motor by connecting terminal 1 (DIN1, Run signal)) to terminal 9 (+24V). If you are not in Auto mode
press [MAN/AUTO].
Stop motor by disconnecting terminal 1 and terminal 9.
9.3.5 Process
regulation
with analog setpoint
The procedure below is designed for process regulation with analog setpoint 0 – 10V and feedback signal 0 – 10V
using 0 – 300 kPa pressure sensors.
Set
parameter
Control Mode
in parameter group
Control
to
PI-reg
.
Connect actual value signal between terminal 22 (AIN2.P) and terminal 23 (AIN2.N).
Connect setpoint value signal between terminal 20 (AIN1.P) and terminal 21 (AIN1.N).
Check that parameter
Ain 2 Type
in parameter group
Control
is set to
0-10V
.
Check that parameter
Ain 1 Type
in parameter group
Control
is set to
0-10V
.
Set
parameter
Op Mode
in parameter group
PI-reg
to
Terminal.
Set
parameter
Unit
in parameter group
PI-reg
to k
Pa
.
Set desired max and min motor frequency using parameter
Max Freq
and
Max Freq
in parameter group
PI-reg
.
Set actual value from sensor at 0V (0 kPa) using parameter
Actual Min
in parameter group
PI-reg
.
Set actual value from sensor at 10V (300 kPa) using parameter
Actual Max
in parameter group
PI-reg
.
Set setpoint value from sensor at 0V (0 kPa) using parameter
Setpoint Min
in parameter group
PI-reg
.
Set setpoint value from sensor at 10V (300 kPa) using parameter
Setpoint Max
in parameter group
PI-reg
.
3006469-2022-04