Danfoss VLT FC 51 Series - 2-20 Release Brake Current; 2-22 Activating Mechanical Brake; 4.4. Parameter Group 3: Reference;Ramps; 4.4.1. 3-** Reference; Ramps

4.4. Parameter Group 3: Reference/Ramps
4.4.1. 3-** Reference/Ramps
Parameters for reference handling, definition of limitations, and configuration of the frequency
converter's reaction to changes
4.4.2. 3-0* Reference Limits
Parameters for setting the reference unit, limits and ranges.
3-00 Reference Range
Option: Function:
Select the range of reference and feedback signals. Values can
be both positive and negative, unless par. 1-00,
Configuration
Mode
, is set to Process Closed Loop [3]. In that case only pos-
itive values are allowed.
[0]
*
Min - Max Reference setpoint ranges can have positive values only.
Select this if running in Process Closed Loop.
[1] -Max - +Max Ranges can have both positive and negative values.
3-02 Minimum Reference
Range: Function:
0.00
*
[-4999 - 4999] Enter value for minimum reference.
The sum of all internal and external references are clamped
(limited) to the minimum reference value, par. 3-02.
3-03 Maximum Reference
Range: Function:
Maximum Reference is adjustable in the range Minimum Refer-
ence - 4999.
50.00
*
[-4999 - 4999] Enter value for Maximum Reference.
The sum of all internal and external references are clamped
(limited) to the maximum reference value, par. 3-03.
4.4.3. 3-1* References
Parameters for setting up the reference sources. Select the preset references for the correspond-
ing digital inputs in parameter group 5.1*,
Digital Inputs .
3-10 * Preset Reference
Option: Function:
Each parameter set-up contains 8 preset references which are
selectable via 3 digital inputs or bus.
4. Parameter Descriptions VLT Micro Drive FC 51
30 MG.02.C2.02 - VLT
®
is a registered Danfoss trademark
4