Allen-Bradley 1771-IFE | PLC5 Analog Input Module

Description

The 1771-IFE is an Allen-Bradley analog input module for the PLC5 system. It supports 16 single-ended or 8 differential input channels with configurable voltage and current signal ranges. 

General Information

• Manufacturer: Rockwell Automation
• Brand: Allen-Bradley
• Part Number: 1771-IFE
• Module Type: Analog Input
• Chassis Compatibility: Any 1771 I/O chassis
• Weight: 1.6 lbs (0.73 kg)

Specifications

• Channels: 16 Single-Ended or 8 Differential
• Channel Update Time:
  • 8 channels: 18 ms
  • 16 channels: 36 ms
• Resolution: 12-bit binary (12 bits plus sign on bipolar ranges)
• Data Format: Natural Binary or BCD Scaling to +/- 9999
• Accuracy: 0.1% of full scale at 25°C
• Voltage Range: -10 to +10 V DC
• Current Range: -20 to +20 mA
• Backplane Current: 750 mA at 5V DC
• Power Dissipation: Max 2.5 W
• Thermal Dissipation: 8.52 BTU/hr

Environmental Conditions

• Operating Temperature: 0°C to 60°C (32°F to 140°F)
• Storage Temperature: -40°C to +85°C (-40°F to +185°F)
• Humidity: 5% to 95% non-condensing

Wiring and Mounting

• Wiring Arm: 1771-WG
• Mounting: Rack-mountable, 1-slot width
• Connector Keying: Pins 10-12 (lower connector), Pins 24-26 (upper connector)

Features

• Fault Indicators: Green RUN, Red FAULT
• Signal Delay:
  • Typical DC Signal (On): 10 ms
  • Typical DC Signal (Off): 20 ms
  • Typical AC Signal (Off): 24 ms
• Optoelectrical Isolation: Protects against electrical transients
• Input Filtering: Reduces electrical noise

Applications

The 1771-IFE module is ideal for measuring process variables such as:

• Pressure
• Temperature
• Flow
• Level
• Viscosity
• pH
• Vibration