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- Allen Bradley
- 1794-IRT8XT
- ControlNet Flex I/O Adapter Module
- USA
- 69 × 94 × 94 mm
- 2kg
- Xiamen, China
- New & In Stock
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All our products are priced very favorably because we have our own warehouse and supply.
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Allen-Bradley 1794-IRT8XT Technical Overview
1. Product Overview
The 1794-IRT8XT is an industrial distributed I/O input module designed for temperature and analog signal acquisition in harsh environments. It belongs to a modular remote I/O system used in automation and process control applications.
This module supports multiple signal types including thermocouple, RTD (Resistance Temperature Detector), and millivolt inputs, making it a flexible solution for temperature monitoring and precision measurement tasks.
It is engineered for extended temperature environments, ensuring stable operation in demanding industrial conditions such as outdoor installations, oil & gas facilities, and heavy manufacturing plants.
2. Product Type and Classification
- Product Type: Analog Input Module (Specialty Temperature Input)
- Input Channels: 8 channels
- Signal Types Supported:
- Thermocouple inputs
- RTD temperature sensors
- Millivolt signals
- System Series: FLEX I/O XT (Extreme Temperature Series)
- Mounting Type: DIN rail / modular backplane system
- Isolation Type: Non-isolated input design
- Environmental Rating: Extended industrial temperature range
3. Key Technical Parameters
Electrical & Functional Parameters
| Parameter | Specification |
|---|---|
| Number of Inputs | 8 analog channels |
| Input Types | Thermocouple / RTD / mV |
| Temperature Operating Range | -20 to +70 °C |
| Signal Resolution | High-resolution temperature conversion |
| Data Formats | °C, °F, °K, resistance (Ω), mV |
| Power Supply | 24V DC system backplane |
| Communication | FLEX I/O backplane interface |
| Configuration | Software configurable per channel |
Mechanical Parameters
| Parameter | Specification |
|---|---|
| Width | 94 mm |
| Height | 46 mm |
| Depth | 53 mm |
| Installation Space (Installed) | approx. 69 × 94 × 94 mm |
| Weight | approx. 2.0 kg |
| Mounting Type | DIN rail / rack system |
| Housing Type | Industrial open-style module |
4. Product Introduction
The 1794-IRT8XT module is designed to convert temperature sensor signals into digital data that can be processed by industrial control systems. It integrates signal conditioning, cold junction compensation, and analog-to-digital conversion within a compact module.
It is part of a flexible distributed I/O architecture, allowing engineers to place input modules closer to the process equipment, reducing wiring cost and improving signal accuracy.
The module is specifically optimized for harsh environmental conditions, offering stable performance under temperature fluctuations, vibration, and industrial noise environments.
5. Application Areas
This module is widely used in industrial automation systems requiring accurate temperature measurement and analog signal processing:
- Oil & gas processing plants
- Chemical and petrochemical industries
- Power generation facilities
- Food and beverage processing lines
- Metal and steel production plants
- HVAC and building automation systems
- Industrial furnace and kiln temperature monitoring
- Offshore and marine control systems
It is especially suitable where multiple temperature points must be monitored simultaneously with high reliability.
6. Product Advantages
6.1 High Flexibility
Supports multiple sensor types (thermocouple, RTD, mV), reducing the need for separate modules.
6.2 Harsh Environment Design
Rated for -20 to +70 °C, suitable for outdoor and industrial harsh conditions.
6.3 High Channel Density
8 independent input channels reduce system footprint and wiring complexity.
6.4 Modular Architecture
Part of a distributed I/O system, allowing expansion without redesigning the control cabinet.
6.5 Hot Swapping Capability
Supports module replacement during system operation in compatible systems, reducing downtime.
6.6 High Signal Accuracy
Built-in signal conditioning ensures stable and precise temperature measurement.
6.7 Flexible Data Output Formats
Provides multiple engineering units and raw data formats for control system integration.
7. Product Series Information
- Series Name: FLEX I/O XT (Extreme Temperature Series)
- Series Category: Distributed Remote I/O System
- System Function: Modular industrial input/output expansion platform
- Compatibility: Control systems using FLEX I/O architecture
- Series Characteristics:
- Extreme temperature resistance
- Modular expansion
- Mixed I/O capability (digital + analog + specialty modules)
- Industrial ruggedization
8. Recommended Similar Models (Same or Related Series)
Similar Modules in FLEX I/O XT or Related Temperature Input Range
| Model | Description | Channels | Signal Type | Temperature Range | Weight (kg) |
|---|---|---|---|---|---|
| 1794-IRT8 | Standard temperature input module | 8 | TC / RTD / mV | -20 to +55 °C | 1.9 |
| 1794-IT8XT | Thermocouple optimized XT module | 8 | Thermocouple | -20 to +70 °C | 2.0 |
| 1794-IR8 | RTD input module | 8 | RTD | -20 to +55 °C | 1.8 |
| 1794-IF8IH | Analog current input module | 8 | 4–20 mA | -20 to +70 °C | 2.0 |
| 1794-IE8XT | Extended temperature analog input | 8 | Voltage / current | -20 to +70 °C | 2.0 |
9. Other Popular Models from Same Brand
Widely Used Industrial Automation Modules
| Model | Description | Channels | Function Type | Voltage | Weight (kg) |
|---|---|---|---|---|---|
| 1794-OB16 | Digital output module | 16 | Output control | 24V DC | 1.6 |
| 1794-IB16 | Digital input module | 16 | Input sensing | 24V DC | 1.5 |
| 1794-IE8 | Analog input module | 8 | Current input | 4–20 mA | 1.8 |
| 1794-OF8 | Analog output module | 8 | Signal output | 4–20 mA | 1.9 |
| 1794-AENT | Ethernet communication adapter | — | Network interface | 24V DC | 2.2 |
10. Summary
The 1794-IRT8XT is a high-performance industrial temperature input module designed for multi-sensor integration in extreme environments. It combines flexibility, rugged design, and multi-format signal processing capability in a compact modular structure.
Its main strengths lie in:
- Multi-sensor compatibility
- Extended temperature durability
- High channel density
- Modular expandability
- Industrial-grade reliability
It is a strong choice for applications requiring precise and distributed temperature monitoring in harsh industrial conditions.