1794-IE8 8-Channel Analog Input Module Voltage/Current | Allen-Bradley

The Original New Allen-Bradley 1794-IE8 FLEX I/O 8-Channel Analog Input Module is a high-density analog input module designed for distributed I/O systems in industrial automation and process control applications. It provides 8 single-ended, non-isolated analog input channels that accept voltage (±10V, 0-10V, 0-5V, ±5V) or current (0-20mA, 4-20mA) signals. As part of the FLEX I/O platform, this module interfaces analog field signals with any Allen-Bradley programmable controller that has block transfer capability.

Core Engineering Highlights:
8 single-ended analog input channels | 16-bit resolution | ±0.1% accuracy at 25°C | 2.5 ms per channel conversion rate | 24V DC power supply | 0-55°C operating temperature | FLEX I/O platform | Selectable voltage/current per channel

Key Features:

• Original New Allen-Bradley 1794-IE8 module

• 8 single-ended analog input channels

• Selectable input signal ranges per channel: 0-20mA, 4-20mA, ±10V, 0-10V, 0-5V, ±5V

• 16-bit resolution for high-precision measurement

• ±0.1% full-scale accuracy at 25°C

• 2.5 ms per channel conversion rate

• 24V DC power supply with 60 mA current consumption

• Block transfer capability with Allen-Bradley programmable controllers

• Flexible mounting with FLEX I/O terminal bases (1794-TB3, 1794-TB3S, etc.)

• Open-style enclosure (IP20 equivalent)

• DIN rail mounting for space-efficient installation

• Compatible with FLEX I/O communication adapters for distributed I/O architecture

Applications:

• Process variable monitoring (pressure, flow, level, temperature)

• Analog signal acquisition from sensors and transmitters

• Distributed I/O systems using FLEX I/O architecture

• Machine automation and data acquisition

• Factory automation and process control systems

• OEM equipment requiring flexible analog input expansion

• Harsh environment applications (XT version available)

Technical Specifications:

XT Extreme Environment Version:

• 1794-IE8XT – Extreme temperature version rated for –20°C to 70°C, compatible with ControlLogix-XT™ extreme environment systems

System Compatibility:

• Allen-Bradley FLEX I/O communication adapters (1794-AENT, 1794-ACN15, 1794-ADN)

• FLEX I/O terminal bases (1794-TB2, 1794-TB3, 1794-TB3S, etc.)

• Any Allen-Bradley programmable controller with block transfer capability

• ControlLogix, CompactLogix, and GuardLogix controllers

• Studio 5000 Logix Designer® application

• RSLogix 5000 software

Typical System Architecture:
FLEX I/O Communication Adapter (e.g., 1794-AENT EtherNet/IP Adapter)
↓
1794-TB3 Terminal Base Unit (mounting and wiring interface)
↓
1794-IE8 Analog Input Module (8 channels)
↓
Additional FLEX I/O Modules (digital, analog, specialty)
↓
Field Devices (Sensors, Transmitters, 4-20mA loops)

Related Products:

• 1794-AENT – FLEX I/O EtherNet/IP adapter

• 1794-TB3 – Terminal base unit (3-wire cage clamp)

• 1794-TB3S – Terminal base unit (spring clamp)

• 1794-IE8XT – Extreme temperature version (–20°C to 70°C)

• 1794-IE12 – 12-channel analog input module (higher density)

• 1794-OE4 – 4-channel analog output module

• 1794-IF4 – 4-channel analog input module (isolated)

• 1794-IR8 – 8-channel RTD input module

• 1794-IRT8 – 8-channel thermocouple/mV input module

PLC ERA is an independent industrial automation distributor supplying 100% genuine Original New products through established global supply channels. Allen-Bradley, FLEX I/O, ControlLogix, CompactLogix, and Studio 5000 are trademarks of Rockwell Automation.