Description
Allen-Bradley 1771-IFE High-Performance Analog Input Module
The 1771-IFE from Allen-Bradley/Rockwell Automation delivers exceptional analog signal processing for PLC-5 control systems. This versatile module handles multiple signal types with precision, making it ideal for various industrial measurement applications. It offers flexible configuration options for both voltage and current inputs across 16 single-ended or 8 differential channels.
Technical Specifications
- Brand & Model: Allen-Bradley 1771-IFE
- Module Type: High-Density Analog Input
- Input Configuration: 16 Single-Ended or 8 Differential Channels
- Voltage Ranges: ±10V, ±5V, 0-5V, 0-10V, 1-5V DC
- Current Ranges: ±20mA, 0-20mA, 4-20mA
- Resolution: 12-bit + Sign (13-bit Effective)
- Accuracy: ±0.1% of Full Scale @ 25°C
- Update Rate: 12.5ms (8 Diff) or 25ms (16 SE)
- Backplane Current: 750mA @ 5V DC
- Data Format: Natural Binary or ±9999 BCD
- Isolation: 500V Channel-to-Backplane
- Operating Temperature: 0° to 60°C (32° to 140°F)
- Power Dissipation: 2.5W Maximum
Installation & Configuration
- Fits any 1771 I/O chassis with single-slot requirement
- Includes 1771-WG wiring arm for easy field connections
- Keying bands between pins 10-12 (lower) and 24-26 (upper)
- Supports block transfer programming for data handling
- Configurable digital filtering reduces signal noise
- Automatic fault response with user-defined default values
Comparison With Related Products
- For standard analog needs, see the 1771-IFE Alternative
- For high-voltage applications, consider the 1771-IMD-B Module
Frequently Asked Questions
- What types of sensors work with this module? It supports various transmitters, RTDs, thermocouples, and pressure sensors
- Can I mix different signal types on one module? Yes, you can configure each channel independently for voltage or current
- How does the digital filtering improve measurements? It reduces noise by averaging samples over configurable time periods
- What happens during a signal wire break? The module can detect open circuits and trigger configured fault responses
- Is calibration required for this module? Factory calibration provides excellent accuracy, but field calibration is possible
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