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- Allen Bradley
- 1756-IR6I
- ControlLogix ControlNet Communication Module
- USA
- 14.5 × 11.2 × 5.6 cm
- 0.28kg
- Xiamen, China
- New & In Stock
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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1756-IR6I Detailed Product Overview
Product Introduction
The 1756-IR6I is a high-precision analog RTD input module designed for industrial temperature measurement systems. It belongs to the ControlLogix automation platform and is used to acquire temperature signals from Resistance Temperature Detectors (RTD) and resistance-based sensors in industrial environments.
This module provides 6 individually isolated RTD input channels, allowing accurate and stable temperature monitoring across multiple process points. It supports a wide range of RTD sensor types, including platinum and nickel-based sensors, making it suitable for precise thermal control applications.
The 1756-IR6I is widely used in industries such as petrochemical processing, oil and gas refining, power generation, metallurgy, pharmaceutical manufacturing, food processing, and heavy industrial automation systems where temperature accuracy is critical.
It is designed to operate reliably in harsh industrial environments with electrical noise, vibration, and temperature fluctuations while maintaining high measurement accuracy and stability.
Brand Information
| Item | Details |
|---|---|
| Brand | Allen Bradley |
| Product Category | Analog RTD Input Module |
| Product Type | Temperature Measurement Module |
| Platform | ControlLogix |
| Installation Method | Chassis Mounted |
| Main Function | RTD Temperature Signal Acquisition |
| Application Field | Industrial Process Control |
| Signal Type | Resistance Temperature Detection |
Product Series Overview
ControlLogix Series
The 1756-IR6I is part of the ControlLogix modular automation system, designed for complex industrial control applications requiring flexibility, scalability, and high reliability.
The ControlLogix series supports multiple automation functions including:
- Process control systems
- Discrete and analog I/O integration
- Motion control systems
- Safety system integration
- Industrial communication networks
- Real-time data acquisition
- Advanced diagnostics and monitoring
- Modular system expansion
This platform is widely used in large industrial plants where continuous operation and precise process control are required.
Product Features
1. 6-Channel Isolated RTD Inputs
The module supports six independent RTD input channels with electrical isolation, improving signal stability and reducing interference.
2. Multi-Sensor Compatibility
Supports multiple RTD sensor types including platinum and nickel sensors with different resistance standards.
3. High-Resolution Measurement
Provides 16-bit resolution for precise temperature measurement and stable process control.
4. Flexible Data Processing Modes
Supports both integer and floating-point data formats for flexible system integration.
5. Advanced Temperature Processing
Includes features such as:
- Temperature linearization
- Alarm functions
- Filtering functions
- Real-time sampling
6. Built-in Diagnostics
Supports detection of:
- Open wire conditions
- Sensor faults
- Signal range errors
- Channel status monitoring
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-IR6I |
| Product Type | RTD Analog Input Module |
| Series | ControlLogix |
| Input Channels | 6 Isolated RTD Inputs |
| Supported Sensors | Pt100, Pt200, Pt500, Pt1000, Ni120 |
| Resistance Range | 1–4000 Ω (multiple ranges) |
| Resolution | 16-bit |
| Data Format | Integer / IEEE 32-bit Floating Point |
| Scan Time | 25–50 ms depending mode |
| Input Type | RTD / Resistance |
| Backplane Current (5V) | 250 mA |
| Backplane Current (24V) | 125 mA |
| Power Dissipation | 4.3 W |
| Isolation Voltage | 250 V continuous |
| Wiring Method | Removable Terminal Block |
| Diagnostics | Channel fault detection |
| Mounting Method | Chassis mount |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity | 5%–95% non-condensing |
| Noise Rejection | Up to 120 dB common mode |
| Channel Bandwidth | ~15 Hz |
| Accuracy | ~0.1% of range @ 25°C |
| Dimensions | 14.5 × 11.2 × 5.6 cm |
| Weight kg（ ） | 0.28 kg |
Product Applications
Industrial Temperature Monitoring
Used for continuous temperature measurement in production processes requiring high precision.
Oil and Gas Industry
Monitors pipeline temperature, refinery process heat levels, and equipment thermal conditions.
Power Generation Systems
Used in turbine temperature monitoring, boiler systems, and heat exchange processes.
Chemical Processing Industry
Supports accurate temperature control in reaction vessels and chemical processing lines.
Pharmaceutical Manufacturing
Ensures precise temperature control in sterilization, mixing, and production environments.
Food and Beverage Industry
Used in cooking, fermentation, pasteurization, and storage temperature monitoring systems.
Product Advantages
High Temperature Accuracy
Provides precise measurement with excellent stability for industrial thermal control applications.
Strong Noise Immunity
High rejection of electrical noise ensures stable operation in harsh environments.
Multi-Sensor Support
Compatible with multiple RTD types, improving application flexibility.
Advanced Diagnostics
Early fault detection reduces downtime and improves maintenance efficiency.
Stable Industrial Operation
Designed for continuous operation in demanding industrial environments.
Flexible Data Handling
Supports multiple data formats for easy integration into control systems.
Recommended Related Models (Same Series)
| Model | Product Type | Key Feature | Channels | Dimensions | Weight kg（ ） |
|---|---|---|---|---|---|
| 1756-IF8 | Analog Input Module | General analog signals | 8 | 14.5 × 11.2 × 5.6 cm | 0.42 kg |
| 1756-IF8H | HART Input Module | Smart device communication | 8 | 14.5 × 11.2 × 5.6 cm | 0.46 kg |
| 1756-IF8I | Isolated Analog Input | Channel isolation design | 8 | 14.5 × 11.2 × 5.6 cm | 0.46 kg |
| 1756-IF16 | High-density Analog Input | Large signal acquisition | 16 | 14.5 × 11.2 × 5.6 cm | 0.48 kg |
| 1756-IR12 | RTD Input Module | Extended temperature inputs | 12 | 14.5 × 11.2 × 5.6 cm | 0.30 kg |
Popular Models from Same Brand
| Model | Product Type | Function | Communication | Dimensions | Weight kg（ ） |
|---|---|---|---|---|---|
| 1756-L81E | PLC Controller | System processor | EtherNet/IP | 15.2 × 14.0 × 5.5 cm | 0.62 kg |
| 1756-EN2TR | Ethernet Module | Industrial networking | EtherNet/IP | 14.5 × 11.2 × 5.6 cm | 0.50 kg |
| 1734-AENTR | Remote I/O Adapter | Distributed I/O | EtherNet/IP | 13.2 × 7.5 × 5.0 cm | 0.30 kg |
| 2711P-T10C4D8 | HMI Panel | Operator interface | Ethernet/USB | 27.1 × 21.1 × 6.0 cm | 1.80 kg |
| 25B-D017N104 | VFD Drive | Motor control | EtherNet/IP | 35.0 × 21.6 × 18.0 cm | 4.90 kg |
Installation Notes
Install the module in a grounded industrial control cabinet with stable ventilation.
Use shielded wiring to reduce electrical interference and improve measurement accuracy.
Regular inspection of RTD wiring connections ensures long-term stability and reliability.
Summary
The 1756-IR6I is a high-precision RTD temperature input module designed for industrial automation systems requiring accurate and stable temperature measurement.
Its multi-channel isolated design, flexible sensor compatibility, high resolution, and strong noise immunity make it suitable for demanding process industries.
It is widely used in thermal monitoring applications where precision, stability, and long-term reliability are essential for safe and efficient operation.