1797-ACNR15 Product datasheet 

1797-ACNR15 Functional Description

The 1797-ACNR15 Allen-Bradley FLEX Ex I/O Modules is a specialized ControlNet communication adapter engineered for demanding industrial settings. As a core component of the 1797 Flex Ex product family, this module is explicitly certified for use in hazardous locations where intrinsic safety is a paramount concern. Its robust design ensures reliable operation in areas with potentially explosive atmospheres, adhering to stringent international safety standards.

A primary feature of the AB 1797-ACNR15 ControlNet Ex Adapter is its capacity to support a network of up to eight Flex-Ex I/O modules. It is equipped with two ControlNet coaxial media ports, which are instrumental in establishing a redundant media network. This redundancy is a critical advantage, as it significantly enhances network reliability and availability by providing an immediate backup communication path in the event of a cable break or similar failure.

The ROCKWELL Programmable Logic Control 1797-ACNR15 facilitates a simple yet powerful communication interface between the I/O modules and a programmable controller. It operates with a 24V DC power supply and supports a high-speed communication rate of 5 Mbps. Built-in LED indicators for communication channels, module status, and power provide clear, at-a-glance diagnostics, simplifying troubleshooting and maintenance procedures in complex control systems.

Ultimately, the 1797-ACNR15 Allen Bradley Media Adapter Module delivers a critical combination of intrinsic safety and robust network performance. Its design prioritizes operational integrity in the most challenging environments, making the FLEX Ex I/O Modules AB 1797-ACNR15 a trusted solution for ensuring continuous and safe process control in industries such as oil and gas, chemical processing, and other sectors requiring hazardous area certification.