Reference Limits; Parameter Group 3: Reference/Ramps - Danfoss VLT FC 51 Series Programming Manual

4. Parameter Descriptions

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

4
Parameters for setting the reference unit, limits and ranges.
3-00 Reference Range
Option:
[0]
[1]
3-02 Minimum Reference
Range:
0.00
3-03 Maximum Reference
Range:
50.00
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*,
3-10
Option:
30
*
Min - Max
-Max - +Max
* [-4999 - 4999]
* [-4999 - 4999]
*
Preset Reference
MG.02.C2.02 - VLT
Function:
Select the range of reference and feedback signals. Values can
be both positive and negative, unless par. 1-00,
Mode Process Closed Loop
, is set to
itive values are allowed.
Reference setpoint ranges can have positive values only.
Select this if running in Process Closed Loop.
Ranges can have both positive and negative values.
Function:
Enter value for minimum reference.
The sum of all internal and external references are clamped
(limited) to the minimum reference value, par. 3-02.
Function:
Maximum Reference is adjustable in the range Minimum Refer-
ence - 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.
Digital Inputs .
Function:
Each parameter set-up contains 8 preset references which are
selectable via 3 digital inputs or bus.
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VLT Micro Drive FC 51
Configuration
[3]. In that case only pos-