Description
Overview
The Allen-Bradley 1794-IR8 Flex I/O RTD Input Module by Rockwell Automation is designed to provide reliable and precise measurement for industrial applications. With 8 channels for RTD (Resistance Temperature Detector) inputs, it supports a range of thermocouple sensors, offering high-resolution data and efficient integration into existing systems. This module is ideal for temperature monitoring and control in a wide variety of environments, ensuring accurate and consistent measurements with superior noise rejection capabilities.
Technical Specifications
- Brand: Allen-Bradley
- Model: 1794-IR8
- Product Type: Flex I/O RTD Module
- Part Number/Catalog No.: 1794-IR8
- Input Channels: 8 RTD channels
- Signal Input Range: 1 to 433 ohms
- Resolution: 16-bit across 435 ohms
- Data Format: 16-bit 2’s complement or offset binary (unipolar)
- Nominal Supply Voltage: 24V DC
- Voltage Range: 19.2V to 31.2V DC
- Supply Current: 140mA @ 24V DC
- Flexbus Current: 20mA
- Isolation Voltage: 850 Volts DC
- Thermal Dissipation: 10.2 BTU/hour at max voltage
- Power Dissipation: 3 Watts at 31.2V DC max.
- Normal Mode Noise Rejection: 60 dB at 60 Hz
- Channel Bandwidth: 0 to 2.62 Hz
- Normal Mode System Throughput: 325 milliseconds
- Vibration Resistance: 5g @ 10 to 500 Hz
- Operating Shock Resistance: 30 g
- Operating Temperature: 0 to 55°C (32 to 131°F)
- Storage Temperature: –40 to 85°C (–40 to 185°F)
- Ordering Information: Compatible with terminal base 1794-TB2, 1794-TB3, 1794-TB3T
FAQ
- What is the supply voltage for the 1794-IR8?
The supply voltage is 24V DC, with a voltage range from 19.2V to 31.2V DC. - How many channels does this module support?
The module provides 8 RTD input channels. - What is the thermal dissipation at maximum voltage?
The thermal dissipation is 10.2 BTU/hour at 31.2V DC. - What terminal base is compatible with the 1794-IR8?
The module is compatible with the terminal bases 1794-TB2, 1794-TB3, and 1794-TB3T.
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