Description:

The Allen-Bradley 1756-IR6I ControlLogix 6-Point Isolated RTD Input Module is used in industrial automation systems to provide multiple isolated resistance temperature detector (RTD) inputs for precise temperature measurement and process control. Commonly installed in ControlLogix I/O racks and distributed automation systems where accurate temperature acquisition from RTDs is required for feedback loops, safety limits, and process regulation. Maintenance teams and system integrators use this module for I/O expansions, retrofit upgrades, replacement of failed temperature input modules, and enhancement of control system sensing capabilities.

Applications:

The Allen-Bradley 1756-IR6I RTD input module is commonly used in industrial environments including process plants, manufacturing production lines, water and wastewater treatment facilities, HVAC and environmental control systems, ovens and furnaces, chemical processing equipment, and automated batching systems where dependable temperature measurement improves process stability, safety compliance, and operational efficiency.

Technical Specifications:

• Manufacturer: Allen-Bradley
• Model: 1756-IR6I
• Product Type: ControlLogix 6-Point Isolated RTD Input Module
• Input Channels: 6 isolated RTD temperature inputs
• Supported Sensor Types: RTDs (2-wire/3-wire/4-wire)
• Signal Type: RTD resistance for temperature measurement
• Isolation: Channel-to-system isolation for noise immunity
• Compatibility: Rockwell Automation ControlLogix I/O systems
• Interface: Backplane connection to ControlLogix chassis
• Mounting Type: Rack mounted within ControlLogix I/O rack
• Power Supply: Supplied via ControlLogix backplane power
• Function: Acquires RTD temperature data for PLC logic and control
• Application Category: Industrial temperature sensing and automation
• Operating Temperature Range: Industrial-rated conditions
• Protection Rating: Installed within control or automation enclosure

Common Replacements:

• Allen-Bradley 1756-IT6 ControlLogix Thermocouple/RTD Module
• Allen-Bradley 1734-IR8 POINT I/O RTD Input Module
• Allen-Bradley 1769-IR4 CompactLogix RTD Input Module