Allen-Bradley 1769-IT16 CompactLogix 16-Channel Thermocouple/mV Input Module

🔧 Allen-Bradley 1769-IT16 High-Precision Thermocouple Input Module

The Allen-Bradley 1769-IT16 CompactLogix input module delivers enterprise-grade temperature monitoring with 16 isolated thermocouple or millivolt channels, engineered for mission-critical process control in power generation, petrochemical refineries, and heavy manufacturing environments.

⚙️ Technical Specifications

• Input Channels: 16 differential, individually isolated thermocouple/mV inputs
• Thermocouple Types Supported: J, K, T, E, R, S, B, N, C (GOST)
• Input Range: ±100 mV DC (millivolt mode)
• Resolution: 16-bit (0.0015°C per bit for Type K)
• Accuracy: ±0.15% of full scale ±1°C (Type K, 0-500°C)
• Update Rate: 100 ms per channel (all 16 channels)
• Isolation: 250V continuous channel-to-backplane, 30V channel-to-channel
• Operating Temperature: 0 to 60°C (32 to 140°F)
• Power Consumption: 1.5W @ 5V DC, 0.5W @ 24V DC
• Compatibility: CompactLogix 1769 chassis, ControlLogix via 1769-ADN adapter

🏭 Application Scenarios

Boiler & Furnace Monitoring: Track combustion chamber temperatures across multiple zones with Type K thermocouples for optimal fuel efficiency and emissions control.

Heat Treatment Processes: Ensure uniform temperature distribution in annealing, quenching, and tempering operations with sub-degree precision across 16 measurement points.

Petrochemical Reactor Control: Monitor exothermic reaction temperatures in real-time, triggering automated cooling sequences when thresholds are exceeded.

HVAC & Environmental Chambers: Maintain tight temperature tolerances in pharmaceutical clean rooms, food processing cold storage, and materials testing labs.

✅ Solution Advantages

✔️ Cold Junction Compensation (CJC): Automatic internal reference eliminates external CJC requirements, reducing installation complexity and wiring errors.

✔️ Open-Circuit Detection: Built-in diagnostics flag broken thermocouples or loose connections, preventing false readings and unplanned downtime.

✔️ Seamless RSLogix Integration: Pre-configured Add-On Instructions (AOI) accelerate commissioning; drag-and-drop configuration in Studio 5000 environment.

✔️ Hot-Swappable Design: Replace modules under power without disrupting adjacent I/O or halting production—critical for 24/7 operations.

✔️ Scalable Architecture: Combine with 1769-OW16 relay outputs and 1769-IF8 analog modules to build complete temperature control loops within a single compact chassis.

📦 What's Included

• 1 × Allen-Bradley 1769-IT16 Input Module
• 1 × Removable Terminal Block (RTB)
• Installation & Wiring Documentation
• Compliance Certificates (CE, UL, CSA)

🔗 Related Products

Pair with 1769-PA2 power supply, 1769-ECR right end cap, and Bently Nevada 3300 XL proximity probes for comprehensive machinery protection systems.

Backed by Rockwell Automation's global support network. Genuine OEM module with full traceability and warranty coverage.