Description
Overview
The Allen-Bradley 1794-IRT8 is a highly versatile Flex I/O input module designed for use with thermocouple and RTD sensors. It supports eight input channels, which are organized into two groups of four. This module offers exceptional accuracy and precision, with a 14-bit resolution. Ideal for industrial applications, it integrates seamlessly with the FLEX I/O system and is equipped with features such as cold junction compensators, ensuring reliable thermocouple readings. Its robust design makes it perfect for temperature monitoring and control in a wide range of processes.
Technical Specifications
- Brand: Allen-Bradley
- Series: Flex I/O 1794
- Part Number: 1794-IRT8
- Manufacturer: Rockwell Automation
- Module Type: 8-Channel RTD/Thermocouple Input
- Nominal Voltage: 24 V DC
- Accuracy: 0.05% of full range (with filtering selected)
- Resolution: 14 bits
- Input Types: RTD (2-wire, 3-wire, 4-wire), Thermocouple (Type B, E, J, K, N, R, S, T)
- Temperature Range:
- RTDs: -200 to 870°C (depending on sensor type)
- Thermocouples: -270°C to 1800°C (depending on type)
- System Throughput:
- 7.4 ms (mV mode)
- 8.0 ms (2-wire RTD, °F)
- 8.0 ms (Thermocouples, °F)
- Indicators:
- 1 green power status indicator
- 8 red open input indicators
- Mounting: DIN Rail
- Operating Temperature: 0 to 55°C (32 to 131°F)
- Storage Temperature: -40 to 85°C (-40 to 185°F)
- Vibration Resistance: 5g @ 10 to 500 Hz
- Operating Shock: 30g
Ordering Information
- Part Number: 1794-IRT8
- Compatible Terminal Bases: 1794-TB3G, 1794-TB3GS, 1794-TB3GK
- Accessories: 2 Cold Junction Compensators










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