Danfoss VLT AutomationDrive FC 300 Design Manual page 232

Options and Accessories
X32/
R1
R2
Resolver
stator
9 9
Illustration 9.7 Resolver Option MCB 103 used with a
Permanent Magnet Motor
NOTICE
The Resolver Option MCB 103 can be used with only
rotor-supplied resolver types. Stator-supplied resolvers
cannot be used.
LED Indicators
The LEDs are active when 17-61 Feedback Signal Monitoring
is set to Warning or Trip.
LED 1 is on when the reference signal is OK to resolver
LED 2 is on when Cosinus signal is OK from resolver
LED 3 is on when Sinus signal is OK from resolver
230
MCB 103 Option B
Resolver Input
SW. ver. X.XX Code No.
1 2 3 4 5 6 7 8 9 10 11 12
1 2 3 4
LED 1 REF OK
LED 2 COS OK
LED 3 SIN OK
LED NA
Rotor S1
θ
S3
S4 S2
Motor
®
VLT AutomationDrive FC 300 Design Guide 90-1200 kW
REF+ R1
REF- R2
COS+ S1
COS- S3
SIN+ S2
SIN- S4
Illustration 9.8 Permanent Magnet (PM) Motor with Resolver
as Speed Feedback
Set-Up example
In Illustration 9.7 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.
NOTICE
Always use screened motor cables and brake chopper
cables. Resolver cables must be screened and separated
from the motor cables. The screen of the resolver cable
must be correctly connected to the de-coupling plate
and connected to chassis (earth) on the motor side.
MG34S202 - Rev. 2013-08-19