Allen-Bradley 1794-IF2XOF2I | Flex I/O Analog Module

Overview

The Allen-Bradley 1794-IF2XOF2I is a Flex I/O isolated analog input/output module. It features 2 isolated inputs and 2 isolated outputs for versatile industrial control applications.

Electrical Specifications

This module supports 16-bit resolution with Sigma-Delta conversion, providing precise analog data acquisition. The input terminals accept 4–20 mA or ±10 V signals, while the outputs provide 4–20 mA or ±10 V. It draws 50 mA FlexBus current during operation, and its thermal dissipation is 11.3 BTU/hr at 31.2 VDC maximum.

Mechanical and Environmental Features

The 1794-IF2XOF2I is compatible with Flex I/O communication adapters and terminal bases, enabling easy integration into existing control systems. Its compact design allows space-efficient installation in control cabinets.

Programming and Operation

The module supports block transfer programming (BTW/BTR) for efficient data exchange between the module memory and processor data tables. These instructions move input values, output values, and configuration words seamlessly, enabling precise control in automated systems.

Key Features

• Module Type: Flex I/O Isolated Analog Input/Output

• Inputs: 2 Isolated

• Outputs: 2 Isolated

• Resolution: 16 bits

• Conversion Type: Sigma-Delta

• Input/Output Voltage: ±10 V

• Input/Output Current: 4–20 mA

• FlexBus Current: 50 mA

• Thermal Dissipation: 11.3 BTU/hr @ 31.2 VDC

• Communication: Compatible with BTW/BTR instructions

Applications

The 1794-IF2XOF2I is ideal for industrial automation processes requiring precise analog signal acquisition and control. It integrates with Allen-Bradley programmable controllers to manage sensor inputs, actuator outputs, and system monitoring.

Technical Specifications