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22-23 No-Flow Function
Option:
Function:
Common actions for Low Power Detection and Low Speed Detection (Individual selections not pos-
sible).
[0] *
Off
[1]
Sleep Mode
[2]
Warning
Messages in the Local Control Panel display (if mounted) and/or signal via a relay or a digital output.
[3]
Alarm
The frequency converter trips and motor stays stopped until reset.
22-24 No-Flow Delay
Range:
Function:
10 s*
[1 - 600 s]
Set the time Low Power/Low Speed must stay detected to activate signal for actions. If detection
disappears before run out of the timer, the timer will be reset.
22-26 Dry Pump Function
Option:
Function:
Low Power Detection
must be Enabled (par. 22-21
) and commissioned (using
either parameter group 22-3*,
No Flow Power Tuning
order to use Dry Pump Detection.
[0] *
Off
[1]
Warning
Messages in the Local Control Panel display (if mounted) and/or signal via a relay or a digital output.
[2]
Alarm
The frequency converter trips and motor stays stopped until reset.
[3]
Manual Reset Alarm
22-27 Dry Pump Delay
Range:
Function:
10 s*
[0 - 600 s]
Defines for how long the Dry Pump condition must be active before activating Warning or Alarm
22-30 No-Flow Power
Range:
Function:
0.00 kW*
[0.00 - 0.00 kW]
Read out of calculated No Flow power at actual speed. If power drops to the display value the
frequency converter will consider the condition as a No Flow situation.
22-31 Power Correction Factor
Range:
Function:
100 %*
[1 - 400 %]
Make corrections to the calculated power at par. 22-30
If No Flow is detected, when it should not be detected, the setting should be decreased. However,
if No Flow is not detected, when it should be detected, the setting should be increased to above
100%.
22-32 Low Speed [RPM]
Range:
Function:
Application
dependent*
[Application dependant]
To be used if par. 0-02
Motor Speed Unit
has been set for RPM (parameter not visible if Hz selected).
Set used speed for the 50% level.
This function is used for storing values needed to tune No Flow Detection.
Automation VT Drive FC322
Instruction Manual
8 How to Programme the Frequency Converter
MG.20.U1.22
109
8
Содержание FC322 Series
Страница 6: ...2 Safety Automation VT Drive FC322 Instruction Manual 6 MG 20 U1 22 2 ...
Страница 14: ...4 Mechanical Installation Automation VT Drive FC322 Instruction Manual 14 MG 20 U1 22 4 ...
Страница 103: ...Automation VT Drive FC322 Instruction Manual 8 How to Programme the Frequency Converter MG 20 U1 22 103 8 ...
Страница 154: ...9 Troubleshooting Automation VT Drive FC322 Instruction Manual 154 MG 20 U1 22 9 ...
Страница 163: ...10 Specifications Automation VT Drive FC322 Instruction Manual 10 Specifications MG 20 U1 22 163 10 ...