PLC | Allen-Bradley | 1756-IF8H SER A ControlLogix HART Analog Input Module

Product Description: Allen-Bradley 1756-IF8H

The Allen-Bradley 1756-IF8H is an 8-channel analog input module with HART communication capability, designed for use in ControlLogix systems. It allows simultaneous analog signal processing and digital communication with HART- enabled field instruments, providing both process data and device diagnostics. This module is ideal for advanced process applications that require precise analog input monitoring and intelligent device integration within a single platform.

Key Features

• 8 single-ended analog input channels
• Supports HART protocol (rev 5, 6, and 7)
• Accepts standard 4–20 mA current loop signals
• Enables digital device data retrieval via HART
• Independent channel configuration
• High-resolution 16-bit analog conversion
• Real-time diagnostics and status indicators
• Supports asset management and advanced field diagnostics
• Compatible with Studio 5000 Logix Designer and PlantPAx systems
• Requires 1756 chassis and power supply

Technical Specifications

• Number of Channels: 8
• Input Type: 4–20 mA analog with HART
• Resolution: 16 bits
• Input Impedance: 250 ohms
• HART Protocol Support: Revision 5, 6, and 7
• Isolation: Channel- to-backplane and channel-to-channel isolation
• Channel Update Rate: Programmable
• Operating Temperature: 0°C to 60°C
• Storage Temperature: -40°C to 85°C
• Mounting: 1756 ControlLogix chassis
• Certifications: UL, CE, CSA, ATEX, IECEx, SIL2 capable

Application Areas

• Process control systems in oil and gas, chemical, and pharmaceutical industries
• Temperature, pressure, and flow measurement with HART transmitters
• Advanced diagnostics and asset management integration
• Distributed I/O in PlantPAx process automation systems
• Projects requiring real-time analog and digital data collection

Advantages

• Combines analog input and digital HART data in a single module
• Improves plant diagnostics and maintenance capabilities
• Reduces wiring and panel space requirements
• Enables predictive maintenance and intelligent field device management
• Seamless integration with Rockwell Automation platforms