Allen Bradley AB Analog 12 Bit Input Module 1771-IFE A

Allen-Bradley 1771-IFE/A Analog Input Module

The Allen-Bradley 1771-IFE/A is a versatile analog input module designed for integration with PLC-5 systems, facilitating precise monitoring and control in industrial automation applications.

Key Features

• Input Channels: Supports up to 16 single-ended or 8 differential analog inputs, accommodating various sensor configurations.
• Input Ranges: Offers multiple voltage and current input ranges, including:
  • Voltage: 0 to 5V DC, -5 to +5V DC, -10 to +10V DC, 0 to 10V DC
  • Current: 4 to 20mA, 0 to 20mA, -20 to +20mA
• Resolution: Provides 12-bit binary resolution, ensuring accurate signal conversion.
• Accuracy: Maintains an accuracy of 0.1% of full-scale range at 25°C, delivering reliable performance.
• Data Formats: Supports natural binary or BCD scaling to ±9999, offering flexibility in data representation.

Technical Specifications

• Channel Update Time: 18 ms for 8 channels; 36 ms for 16 channels.
• Power Requirements: Draws 750 mA at +5V DC from the I/O chassis backplane.
• Power Dissipation: Maximum of 2.5 Watts.
• Thermal Dissipation: Maximum of 8.52 BTU/hour.
• Isolation Voltage: Meets or exceeds UL Standard 508 and CSA Standard C22.2 No. 142.
• Input Impedance: Over 10 MΩ for voltage ranges; 250 Ω for current ranges.
• Common Mode Rejection: 80 dB from DC to 120 Hz.

Installation and Compatibility

The 1771-IFE/A module is compatible with any Allen-Bradley 1771 I/O chassis, occupying a single slot. It requires no external power supply, simplifying installation. The module is suitable for various industrial applications, including temperature, pressure, level, flow, pH, viscosity, and vibration monitoring.

Environmental Conditions

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

For detailed installation instructions and user manuals, refer to the official Allen-Bradley documentation.