Baldor PC SEries Manual de instrucciones descargar pdf (Pagina 20)

2-12 Installation MN1240

Feedback Devices

Resolver

Common feedback devices for Baldor BSM servo motors include Resolver,

Encoder, Absolute Encoder, and SSI (Serial Synchronous Interface) encoder.

Custom feedback devices are also available. Contact Baldor for more

information.

Figure 2-10 Typical Resolver Feedback Device

Waveform 1

8 Pole Motor and

2 Pole Resolver

Waveform 2

4 Pole Motor and

2 Pole Resolver

Red/

White

Yel/

White

Yel

Blu

Red

Blk

Resolver Schematic Diagram

Power Source AC 10V

RMS

4.5kHz

Primary Element Rotor

Electrical Error ±7%

Transformation Ratio 0.5 ±10%

Phase Shift ±8° nominal

Accuracy Spread 12 ARC minutes

Input Impedance ZRO 90 + j180Ω nominal

Output Impedance ZSO 220 + j350Ω @ 0° (s1−S3)

ZSS 210 + j300Ω @ 0° (s1−S3)

DC Resistance Rotor 46Ω REF

Stator 120Ω REF

Dielectric Strength AC 500 volts, 1 minute 60/50 Hz

Insulation Resistance 100MΩ Minimum DC 500Volts

Weight 0.18kg Maximum

Maximum Operating Speed 10,000 RPM

Operating Temperature Range −55 °C to +150 °C

Resolver Specification

L2=Motor lead L2 (V)

L3=Motor lead L3 (W)

L2−L3 Generated Voltage

Cosine Signal

L2−L3 Generated Voltage

Cosine Signal

1 2 ... 15 16 17 18 19 20 21 22 23 24

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Baldor PC SEries Manual de instrucciones Pagina 20

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