Overview

The Allen-Bradley 1771-IFE is an Analog Input Module for the PLC5 system, designed for measuring various process variables like temperature, pressure, flow, and more. It offers flexible input signal options and ensures reliable data conversion for industrial applications.

Technical Specifications

• Part Number: 1771-IFE
• Module Type: Analog Input
• I/O:
  • 8 Differential
  • 16 Single-Ended
• Chassis Compatibility: Any 1771 I/O chassis
• Channel Update Time:
  • 8 channels: 18 ms
  • 16 channels: 36 ms
• Resolution: 12-bit binary, 12 bits plus sign on bipolar ranges
• Accuracy: 0.1% of full-scale range @ 25°C
• Data Format: Natural Binary or BCD scaling to +/- 9999
• Voltage Range: -10 to +10 VDC
• Current Range: -20 to +20 mA
• Signal Delays:
  • DC Signal (On): 10 ms
  • DC Signal (Off): 20 ms
  • AC Signal (Off): 24 ms
• Power Supply: No external power required
• Backplane Current: 750 mA (External)
• Power Dissipation: 2.5 W
• Thermal Dissipation: 8.52 BTU/hr
• Mounting: Rack mountable
• Slot Width: 1 slot
• Wiring Arm: 1771-WG
• Indicators:
  • Green RUN LED
  • Red FAULT LED
• Filter: Input filtering for noise reduction
• Installation: Keying bands for correct installation between pins 10-12 (lower) and 24-26 (upper)

Applications

• Suitable for measuring process variables like pressure, level, flow, temperature, speed, viscosity, pH, and more.
• Used in a variety of industrial applications including automation, control, and monitoring systems.

Features

• Flexible input options for voltage and current signals
• Compatible with PLC5 chassis and available slots
• Real-time sampling and digital filtering to reduce noise and fluctuation
• Scales to engineering units for accurate data representation