1797-IE8 Product datasheet 

1797-IE8 Functional Description

The 1797-IE8 PLC Module Allen-Bradley is an eight-channel analog input module designed for the FLEX Ex I/O system, specifically engineered for operation in hazardous locations. Its key characteristic is the provision of intrinsic safety, certified under rigorous standards like Ex ia and Class I, Division 1, making the Allen-Bradley 1797-IE8 suitable for environments with potentially explosive atmospheres. This ensures reliable process signal acquisition where safety is the highest priority.

A significant feature of the FLEX Ex I/O Analog Current Input Module AB 1797-IE8 is its high-resolution signal conversion, with each of its eight non-isolated channels offering 16-bit resolution. It is capable of accepting standard current inputs, including the 4-20 mA signal range, with an impressive accuracy of 0.1% at room temperature. This high level of precision makes the data provided by the 1797-IE8 Allen-Bradley PDF exceptionally reliable for critical monitoring and control tasks.

The module incorporates advanced internal diagnostics, which provides a distinct operational advantage. It can automatically detect common field device issues such as wire breakage, overrange, and underrange conditions. This diagnostic capability allows for proactive maintenance and rapid troubleshooting, minimizing potential downtime and enhancing the overall efficiency and safety of the control system that relies on the Analog Input Module ROCKWELL 1797-IE8.

Ultimately, the Allen Bradley 1797-IE8 ANALOG INPUT MODULE by ALLEN BRADLEY delivers a combination of intrinsic safety, high measurement accuracy, and robust diagnostics. It requires a specifically rated terminal base for installation and uses a standardized wiring practice. This design ensures that the Allen-Bradley 1797-IE8 serves as a trustworthy and precise interface for analog signals in the most demanding industrial applications, safeguarding both personnel and processes.