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
Product Model
1797-IE8
Number of Inputs
8 single-ended, non-isolated
Resolution
16 bits
Module Field-side Power
7.5 W
Power Dissipation
5.2 W
Thermal Dissipation
17.75 BTU/hr
Keyswitch Position
3
Operating Temperature
-20 to +70 degC (-4 to +158 degF)
Storage Temperature
-40 to +85 degC (-40 to +185 degF)
Relative Humidity
5 to 95% noncondensing
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.
