Allen Bradley 1756-IF8HK | ControlLogix HART Analog Input Module

Overview

The 1756-IF8HK is an 8-channel HART analog input module from Allen Bradley ControlLogix series. It handles excess power supply voltage without affecting other channels, ensuring safe and reliable operation. The module supports seamless insertion and removal, simplifying maintenance and minimizing errors with electronic keying.

Key Features

• 8 Differential Channels: Provides full analog capacity with HART technology for precise measurement.

• Maintenance Friendly: Enables hot-swapping without interrupting system operation or other channel signals.

• Direct Connectivity: Compatible with other ControlLogix HART modules for flexible plant integration.

• Power Efficiency: Operates with 100 mA backplane current at 5 Volts and 3 mA at 24 Volts.

• Thermal Performance: Maximum power dissipation is 5.2 Watts with thermal dissipation of 13.7 BTU per hour.

• Open Enclosure Design: Facilitates easy installation and airflow for industrial environments.

Technical Specifications

• Manufacturer: Rockwell Automation

• Brand: Allen Bradley

• Part Number/Catalog No.: 1756-IF8HK

• Series: ControlLogix

• Module Type: HART Analog Input Module

• Channels: 8 Differential

• Resolution: 16–21 bits

• Backplane Current (5 Volts DC): 300 mA

• Backplane Current (24 Volts): 70 mA

• Power Dissipation (Max): 3.21–4.01 Watts

• Thermal Dissipation: 13.7 BTU per hour

• Enclosure: Open

Applications

The 1756-IF8HK module is ideal for:

• Process automation requiring accurate analog input measurement

• Integration with ControlLogix systems using HART protocol

• Remote or local installations in industrial environments

• Continuous monitoring with minimal system downtime

Additional Information

The 1756-IF8HK ensures reliable analog input performance while maintaining safety and system integrity. Its HART compatibility supports enhanced system diagnostics, and the open enclosure allows easy maintenance and heat dissipation.