Allen Bradley 1794-IE8H Flex I/O HART Analog Input Module

Overview

The Allen-Bradley 1794-IE8H is a FLEX I/O HART analog input module designed for advanced process control applications requiring both analog signal measurement and HART communication. It enables precise data acquisition from smart field instruments such as transmitters and sensors in industrial automation systems.

General Information

Part Number: 1794-IE8H

Brand: Allen-Bradley (Rockwell Automation)

Country of Origin: USA

Series: FLEX I/O

Type: HART Analog Input Module

Mounting: DIN rail / FLEX I/O terminal base installation

Function: Analog signal measurement with HART device communication

Technology: High-resolution A/D conversion with integrated HART protocol support

Power Specifications

Supply Voltage: 24 V DC (nominal)

Power Consumption: Low power consumption, typically under 5 W

Input Type: Analog voltage/current signals with HART communication

Protection: Electrical isolation, surge protection, and signal conditioning

Indicators: LED status indicators for module and channel diagnostics

Communication & Interface

Input Channels: 8-point analog inputs with HART support

Signal Types: 4–20 mA analog signals with HART digital overlay

System Integration: Interfaces with FLEX I/O adapters for controller communication

Diagnostics: Device-level diagnostics and HART communication status monitoring

Response Time: Suitable for process automation and instrumentation systems

Environmental

Operating Temperature: 0 to +55 °C

Storage Temperature: −40 to +85 °C

Humidity: 5% to 95% RH, non-condensing

Vibration Resistance: Designed for industrial control cabinet environments

Protection Rating: IP20 (installed inside enclosure)

Dimensions & Weight

Dimensions (H × W × D): 94 × 46 × 75 mm

Weight: 0.2 kg

Smart process connectivity for reliable industrial performance – ready for fast global delivery!