• Allen-Bradley 1794-IF4I
  • Allen-Bradley 1794-IF4I
  • Allen-Bradley 1794-IF4I
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Allen-Bradley 1794-IF4I Flex I/O Isolated Analog Input Module

Allen-Bradley 1794-IF4I Flex I/O Isolated Analog Input Module

The Allen-Bradley 1794-IF4I is a high-performance analog input module designed for the FLEX I/O system. This module provides four isolated analog input channels, offering 16-bit resolution for precise signal monitoring...

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Availability: Low stock: 9 left

SKU: 1794-IF4I
Vendor: Allen-Bradley
Category: Analog Input Module
Related Series:

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View full product details

The Allen-Bradley 1794-IF4I is a high-performance analog input module designed for the FLEX I/O system. This module provides four isolated analog input channels, offering 16-bit resolution for precise signal monitoring in industrial automation environments. It is engineered to support various voltage and current input configurations, ensuring reliable data acquisition across diverse control applications.

Features

  • Four isolated analog input channels for enhanced noise immunity and signal integrity.
  • High-resolution 16-bit data conversion.
  • Compatible with the Allen-Bradley FLEX I/O platform for flexible distributed I/O architecture.
  • Supports a nominal 24V DC external power supply.
  • Robust construction suitable for demanding industrial environments.

Technical Specifications

Module Type Isolated Analog Input Module
Input Channels 4 Isolated
Resolution 16 bits
Input Voltage Range +/- 10V
External DC Supply 24V DC nominal
FlexBus Current 50mA
Isolation Voltage 120V continuous
Power Dissipation 2.0 W max @ 31.2V DC
Thermal Dissipation 6.8 BTU/hr max @ 31.2V DC
Operating Temperature 0 to 55 degC (32 to 131 degF)
Storage Temperature -40 to 85 degC (-40 to 185 degF)
Vibration 5g @ 10 to 500 Hz
Operating Shock 30 g

Installation Guidelines

  • Ensure the system power is disconnected before installing or removing the module from the terminal base.
  • Mount the module on a compatible FLEX I/O terminal base in a clean, dry, and vibration-controlled enclosure.
  • Maintain proper grounding practices to minimize electrical interference and ensure signal accuracy.
  • Use shielded cables for analog signal wiring to reduce EMI/RFI impact.
  • Verify that the module is securely seated in the terminal base to ensure proper FlexBus connectivity.
  • Maintain adequate clearance around the module to allow for proper heat dissipation and airflow.

FAQ

What is the primary function of the 1794-IF4I?

The 1794-IF4I is an isolated analog input module used within the Allen-Bradley FLEX I/O system to convert analog signals from field devices into digital data for processing by a PLC or controller.

Does this module require an external power supply?

Yes, the module requires a nominal 24V DC external power supply to operate the analog input circuitry.

Are the input channels isolated?

Yes, the 1794-IF4I features four isolated input channels, which help prevent ground loops and protect the module from voltage spikes in the field wiring.