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The 1769-IT6 is a precision analog input module from the Allen-Bradley Compact I/O platform, designed for high-accuracy temperature and millivolt signal acquisition. It provides six configurable input channels plus two Cold Junction Compensation (CJC) sensors, enabling reliable thermocouple measurement across multiple sensor types.
The module uses Delta-Sigma conversion technology to ensure high-resolution, low-noise digital signal processing for industrial temperature and process monitoring applications. It is compatible with CompactLogix and MicroLogix control systems and supports diverse instrumentation environments.
| Parameter | Specification |
|---|---|
| Model | 1769-IT6 |
| Input Channels | 6 thermocouple/mV inputs + 2 CJC sensors |
| Converter Technology | Delta-Sigma |
| 5V DC Power Consumption | 100 mA max |
| 24V DC Power Consumption | 40 mA max |
| Calibration | Auto-calibration at startup and every 5 minutes (programmable) |
| Diagnostics | Over-range, under-range, open-circuit detection |
| Weight | 0.23 kg |
Install at least two slots away from AC power supplies to reduce EMI interference.
Maintain 2-inch clearance around the module for proper ventilation.
Supports DIN rail or panel mounting in CompactLogix and MicroLogix systems.
How are input channels configured?
Each channel can be independently configured via software to support different thermocouple types or millivolt ranges.
Is auto-calibration required?
Yes. Auto-calibration is a standard internal routine that runs at startup and can be scheduled periodically to maintain measurement accuracy.