Danfoss FC 300 Design Manual page 156

8. Options and Accessories
LED indicators
LED 1 is on when the reference signal is OK to
resolver
LED 2 is on when cosine signal is OK from re-
solver
LED 3 is on when sinus signal is OK from re-
solver
The LEDs are active when par. 17-61 is set to
Warning
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 490 ft [150 m] when a twisted-pair cable is used.
8
156
Trip
or .
NOTE
Resolver cables must be shielded and separated from the motor cables.
NOTE
The shield of the resolver cable must be correctly connected to the de-coupling plate,
and connected to chassis (ground) on the motor side.
NOTE
Always use shielded motor cables and brake chopper cables.
MG.33.B9.22 - VLT ® is a registered Danfoss trademark.
FC 300 Design Guide