Danfoss VLT AutomationDrive FC 300 Series - Page 168

130BT102.10
Illustration 9.16 Permanent Magnet (PM) Motor with Resolver as
Speed Feedback
Set-up example
In this example a Permanent Magnet (PM) Motor is used
with resolver as speed feedback. A PM motor must usually
operate in flux mode.
Wiring
The max cable length is 150 m when a twisted pair type of
cable is used.
NOTE
Resolver cables must be screened and separated from the
motor cables.
NOTE
The screen of the resolver cable must be correctly
connected to the de-coupling plate and connected to
chassis (earth) on the motor side.
NOTE
Always use screened motor cables and brake chopper
cables.
1-00 Configuration Mode [1] Speed closed loop
1-01 Motor Control Principle [3] Flux with feedback
1-10 Motor Construction [1] PM, non salient SPM
1-24 Motor Current Nameplate
1-25 Motor Nominal Speed Nameplate
1-26 Motor Cont. Rated Torque Nameplate
AMA is not possible on PM motors
1-30 Stator Resistance (Rs) Motor data sheet
30-80 d-axis Inductance (Ld) Motor data sheet (mH)
1-39 Motor Poles Motor data sheet
1-40 Back EMF at 1000 RPM Motor data sheet
1-41 Motor Angle Offset Motor data sheet (Usually zero)
17-50 Poles Resolver data sheet
17-51 Input Voltage Resolver data sheet
17-52 Input Frequency Resolver data sheet
17-53 Transformation Ratio Resolver data sheet
17-59 Resolver Interface [1] Enabled
Table 9.11 Parameters to Adjust
Options and Accessories
VLT
®
AutomationDrive FC 300 Design Guide, 0.25-75 kW
166 MG33BE02 - VLT
®
is a registered Danfoss trademark
99
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