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1794-IRT8 | Allen-Bradley FLEX I/O 8-Channel RTD & Thermocouple Input Module
- Regular price
- $1,575.00
- Sale price
- $1,575.00
- Regular price
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Product Description P/N: 1794-IRT8
Description
The Allen-Bradley 1794-IRT8 is an 8-channel analog input module that supports both RTD and thermocouple sensors for precision temperature and millivolt measurements. The 1794-IRT8 provides flexible signal handling with selectable input ranges and a 14-bit resolution, making it suitable for demanding industrial monitoring applications. This FLEX I/O module is designed for DIN-rail installation and operates within a wide temperature range for dependable performance.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | Input Module |
| Part Number | 1794-IRT8 |
| Subcategory | Input Module |
| Series | FLEX I/O 1794 |
| Inputs | 8 channels (RTD/Thermocouple/Millivolt) |
| Resolution | 14 bits |
| Nominal Input Ranges | -40…100 mV DC (TC), 0…325 mV (RTD) |
| Accuracy | 0.05% full range with filtering; 0.10% hardware only |
| Indicator LEDs | 1 green power, 8 red open-input |
| Mounting | DIN Rail |
| Terminal Base Compatibility | 1794-TB3G, 1794-TB3GS, 1794-TB3GK |
| Nominal Voltage | 24 VDC |
| Operating Temperature | 0…55 °C (32…131 °F) |
| Storage Temperature | –40…85 °C (–40…185 °F) |
| Operating Shock | 30 g |
| Vibration | 5 g, 10–500 Hz |
| Relative Humidity | 5%–95% non-condensing |
| Wiring | Determined by terminal base; TC wire per manufacturer; Belden 8761 for mV |
| Supported RTD Types | 2-wire, 3-wire, 4-wire Pt, Ni, Cu types |
| Supported Thermocouples | B, E, J, K, L, N, R, S, T |
| CJC Included | Yes, two cold-junction compensators |
Information About 1794-IRT8
The 1794-IRT8 is part of the Allen-Bradley FLEX I/O 1794 series, offering a compact and modular approach to distributed temperature sensing. It supports a broad range of RTD and thermocouple types, making it compatible with diverse process environments and measurement requirements. The module installs onto a compatible terminal base to interface with system power, wiring connections, and network adapters. With built-in cold junction compensation, diagnostic monitoring, and multiple selectable data formats, the 1794-IRT8 is well suited for accurate thermal and millivolt signal acquisition across industrial automation systems.
Key Features
- Eight Universal Input Channels: Supports up to 8 RTD or thermocouple inputs in two groups of four.
- Wide Sensor Compatibility: Accepts 2-wire, 3-wire, and 4-wire RTDs as well as multiple thermocouple types.
- 14-Bit Measurement Resolution: Provides precise analog data for temperature and millivolt monitoring.
- Cold Junction Compensation: Enhances accuracy for thermocouple measurements with included CJC devices.
- Flexible Data Formats: Supports °C, °F, °K, raw integer, resistance, and millivolt formats.
- Industrial-Grade Diagnostics: Features open-circuit detection, upscale fault response, and overvoltage protection.
- DIN-Rail Mounting: Installs easily using supported terminal bases for modular system expansion.
- Wide Environmental Tolerance: Operates reliably across extended temperature and vibration ranges.
The 1794-IRT8 delivers the reliability and precision required for accurate temperature sensing and millivolt signal measurement in industrial automation.
Description
The Allen-Bradley 1794-IRT8 is an 8-channel analog input module that supports both RTD and thermocouple sensors for precision temperature and millivolt measurements. The 1794-IRT8 provides flexible signal handling with selectable input ranges and a 14-bit resolution, making it suitable for demanding industrial monitoring applications. This FLEX I/O module is designed for DIN-rail installation and operates within a wide temperature range for dependable performance.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | Input Module |
| Part Number | 1794-IRT8 |
| Subcategory | Input Module |
| Series | FLEX I/O 1794 |
| Inputs | 8 channels (RTD/Thermocouple/Millivolt) |
| Resolution | 14 bits |
| Nominal Input Ranges | -40…100 mV DC (TC), 0…325 mV (RTD) |
| Accuracy | 0.05% full range with filtering; 0.10% hardware only |
| Indicator LEDs | 1 green power, 8 red open-input |
| Mounting | DIN Rail |
| Terminal Base Compatibility | 1794-TB3G, 1794-TB3GS, 1794-TB3GK |
| Nominal Voltage | 24 VDC |
| Operating Temperature | 0…55 °C (32…131 °F) |
| Storage Temperature | –40…85 °C (–40…185 °F) |
| Operating Shock | 30 g |
| Vibration | 5 g, 10–500 Hz |
| Relative Humidity | 5%–95% non-condensing |
| Wiring | Determined by terminal base; TC wire per manufacturer; Belden 8761 for mV |
| Supported RTD Types | 2-wire, 3-wire, 4-wire Pt, Ni, Cu types |
| Supported Thermocouples | B, E, J, K, L, N, R, S, T |
| CJC Included | Yes, two cold-junction compensators |
Information About 1794-IRT8
The 1794-IRT8 is part of the Allen-Bradley FLEX I/O 1794 series, offering a compact and modular approach to distributed temperature sensing. It supports a broad range of RTD and thermocouple types, making it compatible with diverse process environments and measurement requirements. The module installs onto a compatible terminal base to interface with system power, wiring connections, and network adapters. With built-in cold junction compensation, diagnostic monitoring, and multiple selectable data formats, the 1794-IRT8 is well suited for accurate thermal and millivolt signal acquisition across industrial automation systems.
Key Features
- Eight Universal Input Channels: Supports up to 8 RTD or thermocouple inputs in two groups of four.
- Wide Sensor Compatibility: Accepts 2-wire, 3-wire, and 4-wire RTDs as well as multiple thermocouple types.
- 14-Bit Measurement Resolution: Provides precise analog data for temperature and millivolt monitoring.
- Cold Junction Compensation: Enhances accuracy for thermocouple measurements with included CJC devices.
- Flexible Data Formats: Supports °C, °F, °K, raw integer, resistance, and millivolt formats.
- Industrial-Grade Diagnostics: Features open-circuit detection, upscale fault response, and overvoltage protection.
- DIN-Rail Mounting: Installs easily using supported terminal bases for modular system expansion.
- Wide Environmental Tolerance: Operates reliably across extended temperature and vibration ranges.
The 1794-IRT8 delivers the reliability and precision required for accurate temperature sensing and millivolt signal measurement in industrial automation.