Danfoss VLT AutomationDrive Design Guide

Case 3: Negative to positive reference with dead band, Sign determines the direction, -Max – +Max
+
500
10
V
130BA189.12
-10
-500
-1
500
-500
-10
1
10
V
Analog input 53
Low reference 0 RPM
High reference +500 RPM
Low voltage 1V
High voltage 10V
Ext. source 1
Range:
-50,0% (-500 RPM)
+50,0% (+500 RPM)
+100,0% (+1000 RPM)
Ext. reference
Range:
-100,0% (-1000 RPM)
+500 RPM 10V
Ext. Reference
Absolute
-500 RPM -10V
Reference
algorithm
Reference
+100,0% (+1000 RPM)
-100,0% (-1000 RPM)
Range:
Limited to:
-100%- +100%
(-1000 RPM-
+1000 RPM)
Limited to:
-200%- +200%
(-2000 RPM-
+2000 RPM)
Reference is scaled
according to max
reference.!!!
Scale to
RPM
+1000 RPM
-1000 RPM
Range:
Speed
setpoint
Motor
control
Motor
Limits Speed to min max
motor speed.!!!
Motor PID
RPM
Dead band
General Reference
parameters:
Reference Range: -Max - +Max
Minimum Reference: Don't care
Maximum Reference: 1000 RPM (100,0%)
General Motor
parameters:
Motor speed direction:Both directions
Motor speed Low limit: 0 RPM
Motor speed high limit: 1500 RPM
-1V to 1V
RPM
-500 RPM -10V
Ext. Reference
+500 RPM 10V
Absolute
+50,0% (+500 RPM)
-50,0% (-500 RPM)
High reference +500 RPM
Ext. source 2
Low reference -500 RPM
Analog input 54
Range:
High voltage +10V
Low voltage -10V
No Dead
band
Introduction to FC 300 FC 300 Design Guide
MG.33.BD.02 - VLT
®
is a registered Danfoss trademark 29
3
3

Danfoss VLT AutomationDrive Specifications

General

Brand	Danfoss
Model	VLT AutomationDrive
Category	DC Drives
Language	English