Allen-Bradley 1756-IR6I – high-precision isolated RTD input module for ControlLogix systems
The Allen-Bradley 1756-IR6I is a high-accuracy 6-channel isolated RTD (Resistance Temperature Detector) input module designed for temperature measurement in industrial automation using the ControlLogix platform. Each channel is individually isolated, ensuring precise and noise-free signal acquisition, which makes it ideal for critical temperature control processes. The module supports various RTD types, including platinum and nickel sensors, and provides 16-bit resolution for detailed temperature data.
1756-IR6I: Key features and benefits
Reliable and accurate performance
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Six individually isolated input channels for accurate and interference-free measurements.
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Supports multiple RTD types (Pt100, Pt1000, Ni120).
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16-bit resolution for precise and stable temperature readings.
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Wide measurement range for low and high-temperature applications.
Safety and reliability
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250 V channel-to-channel and channel-to-backplane isolation ensures system stability.
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Diagnostic LEDs for status and fault indication.
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Robust design suitable for harsh industrial environments.
Easy installation and integration
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Fully compatible with Allen-Bradley ControlLogix chassis.
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Configurable via Studio 5000 software.
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Hot-swap functionality allows replacement without shutting down the system.
Where is the Allen-Bradley 1756-IR6I used?
The 1756-IR6I module is used in industrial automation systems requiring accurate temperature monitoring and control. It’s ideal for:
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Process automation (furnaces, reactors, heat exchangers)
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Food and pharmaceutical industries
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Environmental and climate control systems
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Manufacturing and quality assurance processes
Allen-Bradley – precision and reliability in industrial automation
Allen-Bradley, part of Rockwell Automation, is a global leader in industrial automation and control. The 1756-IR6I module represents the brand’s commitment to quality, performance, and flexibility, making it a preferred choice for temperature measurement in advanced control systems.

