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1756-IRT8I - ControlLogix Temperature Input Module

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  • Vendor:

    Allen-Bradley

  • Type:

    Input Module

  • Tags Input module

About the Product

Allen-Bradley 1756-IRT8I ControlLogix Temperature Input Module

High-Precision 8-Channel Temperature Monitoring

The 1756-IRT8I is an isolated 8-channel input module supporting RTD, thermocouple, and millivolt signals. With 24-bit resolution and ±0.3°C accuracy, it delivers exceptional measurement precision for critical process applications.

Technical Specifications

Brand: Allen-Bradley (Rockwell Automation)

Model: 1756-IRT8I

Input Types: RTD/Thermocouple/mV

Channels: 8 isolated

Resolution: 24-bit (0.01μV/count)

Accuracy: ±0.3°C (CJC)

Scan Time: 1ms

Input Ranges:
• RTD: 1-500Ω to 8-4000Ω
• Thermocouple: -100 to 100mV

Power: 200mA @5.1V, 150mA @24V

Advanced Features

  • Dual CJC sensors for thermocouple compensation
  • Auto-calibration on power cycle
  • Wire break detection (2-5 second response)
  • Noise immunity (75dB normal mode rejection)

Supported Sensor Types

RTDs:
• Platinum (100-1000Ω)
• Nickel (100-500Ω)
• Copper (10Ω)

Thermocouples:
• Types B, C, D, E, J, K
• Types N, R, S, T, TXK/XK

Installation Requirements

Requires 1756-TBCH or 1756-TBS6H terminal block. Compatible with all 1756 ControlLogix chassis. Note: Uses 36-pin RTB connector.

Typical Applications

Perfect for:
• Process heating systems
• Pharmaceutical batch processing
• Food temperature monitoring
• Industrial furnace control

Why Choose This Module?

Combines 8 channels in one slot, reducing cabinet space versus multiple modules. 24-bit resolution provides better process control than standard 16-bit modules.

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  • Custom Calibration: Provide your specifications, and we’ll handle the rest with precision.
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