1756-IF6I | ControlLogix Analog Input Module | Allen-Bradley

Product Description

The 1756-IF6I is a 6-channel isolated analog input module designed for the Allen-Bradley ControlLogix platform. It provides accurate voltage and current signal measurement across multiple ranges with 16-bit resolution. Using a Sigma-Delta conversion method, it ensures precise data acquisition for process control and monitoring applications.

This module supports flexible input configurations, advanced isolation for signal integrity, and high-performance conversion suitable for analog sensors and instrumentation.

Technical Specifications

• Manufacturer: Allen-Bradley

• Model / Part Number: 1756-IF6I

• Product Type: Isolated Analog Input Module

• Number of Inputs: 6 isolated channels

• Input Signal Ranges: ±10.5 V, 0–10.5 V, 0–5.25 V, 0–21 mA

• Resolution: 16-bit

• Conversion Method: Sigma-Delta

• Data Format: Integer mode (left-justified, 2’s complement) or IEEE 32-bit floating point

• Voltage Input Resolution:

• ±10.5 V: 343 µV/bit

• 0–10.5 V: 171 µV/bit

• 0–5.25 V: 86 µV/bit

• Current Input Resolution: 0–21 mA: 0.34 µA/bit

• Backplane Current (5 V): 250 mA

• Backplane Current (24 V): 100 mA

• Power Dissipation: Voltage mode – 3.7 W (max), Current mode – 4.3 W (max)

• Weight: 0.45 kg (1.0 lb)

Key Features

• Six isolated input channels for superior signal separation

• High-accuracy 16-bit resolution for analog process control

• Supports both voltage and current input ranges

• Sigma-Delta conversion ensures low noise and stable readings

• Compatible with ControlLogix chassis and Studio 5000 environment

Applications

• Industrial process monitoring

• Analog sensor and transducer signal acquisition

• Power systems, drives, and instrumentation measurement