Danfoss VLT AutomationDrive FC 300 Design Manual page 29

Introduction
Quadrant 2 Resource output
(RPM)
1500
Low reference/feedback
P1
value
High reference/feedback
P2 0
value
-10 -6 -1 1
Terminal X Terminal X
low high
-1500
Quadrant 3
Illustration 3.16 Reverse Dead Band
Thus a reference endpoint of P1 = (0 V, 0 RPM) will not
result in any dead band, but a reference endpoint of e.g.
P1 = (1 V, 0 RPM) will result in a -1 V to +1 V dead band in
this case provided that the end point P2 is placed in either
Quadrant 1 or Quadrant 4.
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®
VLT AutomationDrive FC 300 Design Guide, 0.25-75 kW
Quadrant 1
Resource
input
(V)
6 10
Quadrant 4
®
MG33BE02 - VLT is a registered Danfoss trademark
3 3
27