PRODUCT DETAILS
Product Title
1756-IT16 Genuine AB Series A ControlLogix 16-Channel TC/MV Input Module
Product Description
The 1756-IT16 is a genuine Allen-Bradley (AB) Series A ControlLogix 16-channel Thermocouple/Voltage (TC/MV) Input Module, engineered for precision data acquisition and industrial automation applications. It is designed to deliver high accuracy, reliability, and integration within ControlLogix systems, making it ideal for temperature measurement, process control, and advanced monitoring in manufacturing environments.
Key Features
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16 Analog Input Channels: Supports multiple thermocouple types (J, K, T, E, R, S, B, N) and millivolt inputs for versatile measurement.
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High Accuracy: ±0.25% of reading for precise temperature or voltage monitoring.
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Wide Temperature Range: -270°C to +1820°C (depending on thermocouple type).
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Integration: Seamless compatibility with Allen-Bradley ControlLogix systems via 1756 backplane.
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Robust Design: Series A module ensures long-term industrial reliability with EMI/RFI resistance.
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Fast Update Rate: 1ms per channel for real-time monitoring of critical processes.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-IT16 Series A |
| Channels | 16 Analog Inputs (Thermocouple/Millivolt) |
| Input Range | Thermocouples: Type J, K, T, E, R, S, B, N Millivolt: ±150 mV |
| Resolution | 16-bit |
| Accuracy | ±0.25% of reading |
| Temperature Range | -270°C to +1820°C (dependent on TC type) |
| Update Time | 1ms/channel |
| Power Consumption | 1.0 W typical |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Certifications | CE, UL, CSA |
| Backplane Compatibility | 1756 ControlLogix Chassis |
Applications
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Industrial process control and monitoring
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High-precision temperature measurement in manufacturing
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Energy management and utility monitoring
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Integration with automated ControlLogix systems
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Laboratory and industrial research applications
1756‑IT16 vs Other Brands Key Specs Comparison
| Feature / Parameter | Allen‑Bradley 1756‑IT16 | Siemens ET200SP AI 16xTC/8xRTD | Siemens SIMATIC S7‑1500 6ES7531 | Schneider Modicon 140AI03000 |
|---|---|---|---|---|
| Channels | 16 TC / mV inputs | 16 TC or 8 RTD inputs | 8 analog inputs | 4 analog inputs |
| Signal Type | Thermocouple / mV | TC / RTD / Voltage | Voltage / Current / RTD / TC¹ | Voltage / Current¹ |
| Resolution | 24-bit high precision | Up to 16-bit per channel | 16-bit (~±0.3% accuracy) | 16-bit (~±0.05–0.1% typical) |
| Thermocouple Support | J, K, T, E, R, S, B, N | Multiple TC/RTD types | TC / RTD supported | Typically not for TC (mainly voltage/current) |
| Isolation | Non-isolated channels (high density) | Channel-isolated (model dependent) | Depends on module | Channel isolation available |
| Industrial Certifications | CE, c-UL-us, RCM, Ex, KC, EAC, IECEx | Depends on ET200SP series | CE / UL / CSA | Standard industrial certifications |
✨ Comparison Highlights
1. Channel Density
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1756‑IT16 supports 16 TC/mV channels, higher than Siemens S7-1500 standard 8-channel modules, ideal for multi-point temperature measurement.
2. Resolution & Accuracy
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1756‑IT16: 24-bit high-resolution for precise temperature and voltage measurement.
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Siemens 6ES7531: 16-bit resolution, ~±0.3% accuracy.
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Schneider 140AI03000: 16-bit, mainly for voltage/current signals, less focused on thermocouples.
3. Thermocouple Support
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1756‑IT16 supports a wide range of TC types: J, K, T, E, R, S, B, N.
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Siemens ET200SP: Supports multiple TC/RTD types, with optional channel isolation.
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Schneider: Typically does not directly support thermocouples.
4. Isolation & Noise Immunity
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1756‑IT16: Non-isolated (high density, space-saving), may require extra shielding in noisy environments.
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Siemens & Schneider: Some models offer channel-to-backplane isolation for better noise immunity.
🧠 Key Takeaways for Buyers
✔️ 1756‑IT16 is ideal for multi-point temperature acquisition, high-precision monitoring, and large ControlLogix rack integration.
✔️ Other brands offer isolation and multi-function flexibility, but 1756‑IT16 excels in channel density and high-precision thermocouple measurements, making it more suitable for complex industrial automation environments.
Why Choose Genuine AB 1756-IT16?
✅ Reliable Data Acquisition – Minimize downtime with high-quality Allen-Bradley engineering.
✅ Versatile Input Options – Compatible with multiple thermocouple types and millivolt signals.
✅ Seamless System Integration – Works directly with ControlLogix systems for plug-and-play functionality.
✅ Industrial Grade Performance – Built to withstand harsh industrial environments.
💡 Tip for Shopify Display:
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Use an icon grid for Key Features (16-channel, high accuracy, EMI resistant, etc.)
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Include a comparison chart with other 1756 modules (e.g., 1756-IT6, 1756-IT2T) to highlight 16-channel advantage
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Include a “use case” image of a ControlLogix chassis with the module installed

