Allen-Bradley PLC-5 Series Analog Input Module 1771-IFF

Technical Specifications

• Brand: Allen-Bradley / Rockwell Automation
• Module Type: Analog Input
• Part Number: 1771-IFF
• Number of Channels:
  • 8 Differential (Selectable)
  • 16 Single-Ended (Selectable)
• Data Scaling: Supports Natural Binary and Binary-Coded Decimal (BCD) formats, scaling output from ±9999
• Backplane Power Requirement: 750 mA
• External Power: Not required, fully backplane powered
• Signal Delay:
  • AC Signal Off Delay: 24 ms ± 10 ms
  • DC Signal Off Delay: 20 ms ± 9 ms

• Voltage Input Range:
  • 0-5 V DC
  • 1-5 V DC
  • ±5 V DC
  • ±10 V DC
• Current Input Range:
  • 4-20 mA
  • 0-20 mA
  • ±20 mA
• Resolution and Update Time:
  • 12-bit resolution with sign
  • 5 ms for 8 channels; 10 ms for 16 channels
• Channel Isolation: Differential inputs help minimize signal noise and ensure data integrity