Allen-Bradley 1771-HRA Resolver Excitation Module for PLC-5

Allen-Bradley 1771-HRA Resolver Excitation Module

The 1771-HRA resolver excitation module delivers precise motion control signals for your PLC-5 system. This industrial-grade module provides reliable resolver excitation for accurate position feedback.

Technical Specifications

• Brand: Allen-Bradley (Rockwell Automation)
• Model: 1771-HRA
• Series: PLC-5
• Current Rating: 340mA @ 5.2VDC, 228mA @ 15VDC
• Power Consumption: 9.06W maximum
• Output Frequency: 2.5 KHz
• Output Voltage: 6.72V-7.42V RMS
• Update Period: 2ms/axis
• Backplane Current: 1.7A
• Operating Temperature: 0-60°C
• Dimensions: 3.5 x 6.5 x 2.0 inches

Package Contents

• One (1) Allen-Bradley 1771-HRA Resolver Excitation Module
• Installation documentation

Shipping & Warranty

• Includes 12-month warranty
• Worldwide shipping via FedEx, UPS, and DHL
• Orders processed within 1-2 business days

Frequently Asked Questions

• Q: What power supply works with the 1771-HRA?
  A: It requires the Allen-Bradley 1771-PS7 power supply module.
• Q: What is the output frequency of this module?
  A: It provides a stable 2.5 KHz output frequency.
• Q: How many slots does this module require?
  A: The 1771-HRA requires 2 slots in the 1771 I/O chassis.
• Q: What does the green LED indicate?
  A: The green LED shows proper power status and operation.
• Q: Can this module handle industrial environments?
  A: Yes, it’s designed for reliable operation in industrial settings.

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