Resolver Input
SW. ver. X.XX
MCB 103
Code No.
Option B
Rotor
Resolver
stator
Motor
LED 1 REF OK
LED 2 COS OK
LED 3 SIN OK
LED NA
130BA247.11
REF+
REF-
COS-
COS+
SIN+
SIN-
S4
S2
S3
S1
R2
R1
COS
-
COS+
REF+ REF-
SIN+ SIN- A+ A
-
B+ B- Z+ Z-
X32/
3
1 2
4 5
11
6
8
7
10
9
12
1
2
3
4
S1
S3
S4
S2
R1
R2
θ
Illustration 11.6 MCB 103 Resolver Input
LED indicators
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.
The LEDs are active when
17-61 Feedback Signal Monitoring
is set to
[1] Warning
or
[2] Trip
.
130B
T102.10
Illustration 11.7 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.
NOTICE
Resolver cables must be screened and separated from
the motor cables.
NOTICE
The screen of the resolver cable must be correctly
connected to the de-coupling plate and connected to
chassis (ground) on the motor side.
NOTICE
Always use screened motor cables and brake chopper
cables.
Options and Accessories
VLT
®
AutomationDrive FC 301/FC 302 Design Guide, 0.25-75 kW
156
MG33BF02 - Rev. 2013-12-20
11
11