The 2198-D020-ERS3 module is typically manufactured by a specific company or brand, but without further information, I cannot provide specific details about the manufacturer or its features. PLC modules can vary in their capabilities and specifications depending on the specific model and manufacturer.

Generally, PLC modules like the 2198-D020-ERS3 are designed to be integrated into a larger PLC system. They provide input and output connections for controlling various industrial processes, machinery, and equipment. These modules often include digital input and output (I/O) channels, analog I/O channels, communication ports, and other features to facilitate the control and monitoring of devices and systems.