Parameter Group 3: Reference/Ramps - Danfoss VLT Micro Drive FC 51 Series Programming Manual

VLT Micro Drive FC 51

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:
* Min - Max
[0]
[1] -Max - +Max
3-02 Minimum Reference
Range:
*
0.00 [-4999 - 4999]
3-03 Maximum Reference
Range:
*
50.00 [-4999 - 4999]
4.4.3. 3-1* References
Parameters for setting up the reference sources. Select the preset references for the corresponding digital inputs in parameter group 5.1*,
Inputs
.
*
3-10 Preset Reference
Option:
-100.00 - 100.00%
*
[0.00]
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
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 Reference - 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.
Function:
Each parameter set-up contains 8 preset references which are selectable via 3 digital inputs or bus.
[18] [17]
Bit2 Bit1
0 0
0 0
0 1
0 1
1 0
1 0
1 1
1 1
Table 4.1: Par. 5-1* selection [16], [17] and [18]
Enter the different preset references using array programming.
Normally, 100% = value set in par. 3-03,
MG.02.C4.02 - VLT is a registered Danfoss trademark
4. Parameter Descriptions
[3]. In that case only positive values are allowed.
[16] Preset reference no.
Bit0
0
1
0
1
0
1
0
1
Maximum Reference .
4
Digital
0
1
2
3
4
5
6
7
25