Description

The Allen-Bradley 1797-IE8 is an 8-point analog input module designed for the FLEX Ex I/O system. This module is engineered for use in hazardous locations, providing high-resolution signal processing for industrial automation environments. It features 8 single-ended, non-isolated inputs and is configured with a 3-position keyswitch for operational security and setup.

Features

• 8 single-ended, non-isolated analog input channels.
• 16-bit resolution for precise signal measurement.
• Designed for FLEX Ex hazardous area I/O applications.
• Integrated 3-position keyswitch for module configuration.
• Robust thermal management with 5.2 W power dissipation.

Technical Specifications

Installation Guidelines

• Ensure the system power is disconnected before installing or removing the module from the FLEX Ex base.
• Verify the keyswitch position matches the intended configuration before powering the unit.
• Maintain proper grounding practices as specified in the FLEX Ex system installation manual to prevent EMI interference.
• Ensure adequate ventilation around the module to accommodate the 5.2 W power dissipation and prevent overheating.
• Handle with care to prevent electrostatic discharge (ESD) damage to the module components.

FAQ

What is the primary function of the 1797-IE8?

The 1797-IE8 is an analog input module used to interface field analog signals into the Allen-Bradley FLEX Ex I/O system, commonly used in hazardous industrial environments.

What does the 3-position keyswitch do?

The keyswitch allows for physical configuration and security of the module, ensuring that settings are not inadvertently changed during operation.