Allen Bradley AB (12 Bit) Analog Input Module 1771-IFE /C D01

Allen-Bradley 1771-IFE/C Analog Input Module

The Allen-Bradley 1771-IFE/C is a versatile analog input module designed for integration with the PLC-5 system, offering precise data acquisition capabilities essential for various industrial applications.

Key Features

• Input Channels: Supports 16 single-ended or 8 differential low-level inputs, providing flexibility in signal configuration.
• Signal Compatibility: Accommodates a range of voltage inputs, including +1 to +5V DC, 0 to 5V DC, -5 to +5V DC, -10 to +10V DC, and 0 to +10V DC. For current inputs, it supports +4 to +20mA, 0 to +20mA, and -20 to +20mA.
• Resolution and Accuracy: Delivers a 12-bit binary resolution, with 12 bits plus sign on bipolar ranges, ensuring accurate signal representation. Maintains an accuracy of 0.1% of the full-scale range at 25°C.
• Data Format: Offers natural binary or BCD scaling to ±9999, facilitating seamless integration with PLC data tables.
• Channel Update Time: Achieves a channel update time of 18 milliseconds for 8 channels and 36 milliseconds for 16 channels, optimizing system responsiveness.
• Isolation and Protection: Features optoelectrical isolation to safeguard system circuits from electrical transients and includes input filtering to minimize electrical noise.

Technical Specifications

• Backplane Current: 750 mA
• Power Dissipation: 2.5 Watts
• Thermal Dissipation: 8.52 BTU/hour
• Internal Scan Rate: 12.5 ms for 8 differential inputs (without digital filtering); 25 ms for 16 single-ended inputs (without digital filtering)
• Wiring Arm: Compatible with catalog number 1771-WG

Applications

The 1771-IFE/C module is ideal for monitoring and controlling various process variables such as temperature, pressure, level, flow, pH, viscosity, and vibration. Its compatibility with multiple signal types makes it suitable for diverse industrial automation and control systems.

Installation and Compatibility

Designed for rack mounting, the module occupies a single slot in any 1771 I/O chassis. It utilizes block transfer instructions (BTW and BTR) for efficient analog data exchange with the PLC processor.

For detailed installation instructions and user manuals, refer to the official documentation provided by Rockwell Automation.