Danfoss VLT AutomationDrive FC 360 Programming Guide

22-44 Wake-Up Ref./FB Diff
Default value: 10% Parameter type: Range (0–100%)
Setup: All setups Conversion index: 0
Data type: Uint8 Change during operation: True
Only to be used if parameter 1-00 Configuration Mode is set to [1] Speed closed loop, and the integrated PI controller is used for
controlling the pressure. Set the pressure drop allowed in percentage of setpoint for the pressure (P
set
) before canceling the sleep mode.
22-45 Setpoint Boost
Default value: 0% Parameter type: Range (-100–100%)
Setup: All setups Conversion index: 0
Data type: Int8 Change during operation: True
Only to be used if parameter 1-00 Configuration Mode is set to [1] Speed closed loop, and the integrated PI controller is used. In systems
with, for example, constant pressure control, it is advantageous to increase the system pressure before the motor is stopped. This
extends the time in which the motor is stopped and helps to avoid frequent start/stop. Set the desired overpressure/temperature in
percentage of setpoint for the pressure (P
set
)/ temperature before entering the sleep mode. If set to 5%, the boost pressure is P
set
x 1.05.
The negative values can be used for cooling tower control where a negative change is needed.
22-46 Maximum Boost Time
Default value: 60 s Parameter type: Range (0–600 s)
Setup: All setups Conversion index: 0
Data type: Uint16 Change during operation: True
Only to be used if parameter 1-00 Configuration Mode is set to [1] Speed closed loop, and the integrated PI controller is used for
controlling the pressure. Set the maximum time for which boost mode is allowed. If the set time is exceeded, sleep mode is entered, not
waiting for the set boost pressure to be reached.
22-47 Sleep Speed [Hz]
Default value: 0.0 Parameter type: Range (0.0–400.0)
Setup: All setups Conversion index: -1
Data type: Uint16 Change during operation: True
Set the speed below which the drive goes into sleep mode. The sleep speed must not exceed the setting in parameter 22-43 Wake-Up
Speed [Hz].
22-48 Sleep Delay Time
Default value: 0 s Parameter type: Range (0–3600 s)
Setup: All setups Conversion index: 0
Data type: Uint16 Change during operation: True
Set the delay time that the motor waits before entering sleep mode when the condition to enter sleep mode is met.
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Programming Guide | VLT® AutomationDrive FC 360

Danfoss VLT AutomationDrive FC 360 Specifications

General

Brand	Danfoss
Model	VLT AutomationDrive FC 360
Category	DC Drives
Language	English