Allen-Bradley 1794-IE8 FLEX I/O Analog Input Module | 8-Channel | 12-Bit Resolution | Current/Voltage Input | Rockwell Automation 1794 Series

1794-IE8 Technical specificationsManufacturerAllen BradleyProduct TypeHigh-Density Analog ModuleProduct LineFlex I/O 1794Part Number1794-IE8UPC612598137817Weight0.25 lbs (0.11 kg)Number of Inputs8 Single-Ended, Non-Isolated InputsResolution12 Bits – Unipolar; 11 Bits Plus Sign – BipolarConversion Rate256 µs All ChannelsSupply Voltage24 Volts DC NominalVoltage Range19.2 to 31.2 Volts DCSupply Current60 Milliamps at 24 Volts DCIndicators1 Green Power IndicatorMaximum Power Dissipation3 Watts at 31.2 Volts DCMaximum Thermal Dissipation10.2 BTU/hr at 31.2 Volts DCIsolation Voltage850 Volts DC; No Isolation Between Individual ChannelsOperating Temperature Range0 to 55 Degrees CelsiusOverviewThe Allen-Bradley 1794-IE8 is a critical component for distributed control systems, belonging to the robust FLEX I/O family by Rockwell Automation. This module acts as the bridge between your analog field devices and digital controller (PLC). With 8 independent input channels, it offers a balanced channel density, saving valuable panel space while delivering precise monitoring capabilities. Whether you need to monitor pressure, temperature, or flow, the 1794-IE8 provides the reliability and accuracy required for modern industrial automation.Key Features & BenefitsBalanced Channel Density: Features 8 independent analog input channels in a single module footprint, providing an optimal balance between space savings and wiring complexity for mid-sized applications.Flexible Signal Configuration: Each channel can be individually configured via side-mounted DIP switches for Current (0-20mA, 4-20mA) or Voltage (0-10V, ±10V) inputs, offering unmatched versatility for mixed-signal applications.12-Bit Resolution: Provides high-precision 12-bit analog-to-digital conversion, ensuring accurate reading of sensor data for critical process control loops.Channel-to-Common Isolation: The module features channel-to-common isolation, which helps to reduce the effects of electrical noise and ground loops, thereby increasing system stability and signal integrity.Diagnostic LEDs: Integrated status LEDs for each channel (Input Active) and module status allow for rapid troubleshooting and verification of input states without external test equipment.Rugged Design: Built to withstand harsh industrial environments with a wide operating temperature range and high immunity to electrical noise.ApplicationsThe Allen-Bradley 1794-IE8 is extensively used in:Process Monitoring: Reading pressure, temperature, and flow transmitters via 4-20mA signals.Machine Control: Monitoring sensor feedback for position and speed.Data Acquisition: Collecting analog data for SCADA systems and historians.HVAC Systems: Monitoring duct pressure, temperature, and humidity sensors.Water Treatment: Monitoring tank levels, pH, and chemical concentrations.Important Installation Note:The 1794-IE8 module requires a compatible Terminal Base Unit (such as the 1794-TB3 or 1794-TB3S) for wiring and power connection. The module plugs directly onto the terminal base. Ensure the terminal base is correctly wired for the specific voltage or current mode selected on the module’s DIP switches.Why Choose This Module?Our 1794-IE8 units are sourced from authorized distributors, guaranteeing genuine Allen-Bradley / Rockwell Automation quality. As a mature product, it is widely used in existing plants for replacements and upgrades. We provide fast shipping, technical support, and competitive pricing to keep your production lines running smoothly.Upgrade your FLEX I/O system today with the Allen-Bradley 1794-IE8.Technical Documentation (Source: Rockwell Automation – 1794-IB8)Document TitlePublication DateTypeLink (PDF)FLEX I/O Digital Input ModulesMar 28, 2024InstallationPDFFLEX I/O High-Density Analog ModulesMar 9, 2020User ManualPDFFLEX I/O Analog SpecificationsSep 30, 2013Technical DataPDFCE Declaration of ConformityApr 18, 2022CertificationPDFKC Certificate (Digital Input)Feb 24, 2021CertificationPDF