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1771-HRA Resolver Excitation Module Allen-Bradley

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About the Product

Allen-Bradley 1771-HRA Resolver Excitation Module

Technical Parameters

Catalog number 1771-HRA

Module type Resolver Excitation Module

Series Allen-Bradley PLC-5

Power supply 1771-PS7

Power ratings 340 mA @ 5.2V DC, 228 mA @ 15V DC

Max power consumption 9.06 Watts

Backplane consumption 0.4 Watts

Output frequency 2.5 kHz

Sine output amplitude 6.72V – 7.42V RMS

Max output current 0.81 A

Signal delay time 2 seconds

Output impedance 80 Ohms max

Signal Performance

Sinusoidal phase offset 0.45°

Signal distortion (TDH) 0.1%

Sine-cosine amplitude match 0.3%

Phase drift ±5.4 minutes

Offset voltage 0.01V DC max

Sine-to-cosine 90° stable for 4.5 minutes

Connectivity & Cables

Power cable 1771-CAS

Signal cable 1771-CAPR (12 ft)

Termination connection 12-pin Latch and Lock

Wiring arm 1771-WA

Installation & Mounting

Mounts in 1771 I/O chassis

Occupies 2 slots per ES

Dimensions 3.5 x 6.5 x 2.0 in (89 x 165 x 51 mm)/Weight:0.9kg

Green LED for power indication

Compatibility

Works with IMC 120 Motion Control System

Provides resolver excitation for position feedback

Compatible with resolver-based feedback systems

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