Feedback System; Resolver - Parker MGV Series Technical Manual

3.8. Feedback system

3.8.1.

Resolver

A resolver determines the rotor position.
Its signals are processed by the drive in order to control the stator currents, the speed and
the position.
Two resolver types can be associated with the MGV: CB52 or CB102 with a connector
seat.
Motor associated
Maximum speed
Number of pole
Feeding voltage at 8 KHz
Feeding current at 8 KHz
Precision under 7Vrms at 8KHz
Transformation ratio
Input DC resistance, supply
transformer (R1-R2)
DC stator resistance output sin (S2-
S4) output cos (S1-S3)
Insulation resistance
Assembly
Operating temperature
Resolver connector
CB52
MGV4 / MGV6 / MGV8
50 000 rpm
2 poles
7 Vrms
70mA maximum
+/-6'
0.425 mini, 0.55 maxi
Mini 24 Ω
Maxi 26 Ω
Mini 34.5 Ω
Maxi 37.5 Ω
≥ 50MΩ
Direct on shaft end
-55 – +155 °C
PIN
1
2
3
4
5
6
7
8
9
10
11
12
62 - PVD3627-August 2011
CB102
MGV9 / MGVA
20 000 rpm
2 poles
7 Vrms
70mA maximum
+/-10'
0.425 mini, 0.55 maxi
Mini : 15.1 Ω
Maxi : 16.2 Ω
Mini 57.4 Ω
Maxi 63Ω
≥ 50MΩ
Direct on shaft end
-55 – +155 °C
Signal
Output voltage S3 (cos-)
Output voltage S1 (cos+)
Output voltage S2 (sin+)
Output voltage S4 (sin-)
Input voltage R1
Input voltage R2