Danfoss VLT FC Series User Manual

Fault reporting function setup
•
For EMB2, fault reporting status is connected to
connector X56, output terminals 7, 8, and 9.
•
For EMB(0) or EMB1, fault reporting status is
connected to drive output terminals 1, 2, and 3.
5.1.9 EMB Switches
Bypass selector switch
The bypass selector switch is used for either the 2-
contactor or 3-contactor bypass.
•
2-contactor bypass
A panelmounted Drive/OFF/Bypass selector
switch is used to electrically select whether the
motor is driven by the drive (M2 contactor),
connected to the full-speed bypass (M3
contactor), or disconnected from both. See
Illustration 5.6.
•
3-contactor bypass
A panelmounted Drive/OFF/Bypass/Test selector
switch is used to electrically select whether the
motor is controlled by the drive (M1 and M2
contactors), connected to the full-speed bypass
(M3 contactor), or disconnected from both. The
test position allows for operation in bypass while
still providing power to the drive (M1 and M3).
See Illustration 5.6.
Illustration 5.6 Basic 3-contactor Bypass Functions
Electromechanical Bypass (E... Option Panel Operating Instructions
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Danfoss VLT FC Series Specifications

General

Brand	Danfoss
Model	VLT FC Series
Category	DC Drives
Language	English