ALSTOM EP3-E-4-EN - Signal Conditioning Module

On the positioning of EP3-E-4-EN;

According to and, EP3-E-4-EN is listed as a part of ALSTOM EPIC III series, but no specific function description is provided.

And also mentioned this model, but did not further explain its purpose or technical details.

Comparison with EP3-E-4-A:

EP3-E-4-A is a high-performance controller module, which has many functions, including analog input, digital input/output, communication interface (such as Ethernet, RS485, etc.), and supports many industrial protocols (such as Modbus RTU and Modbus TCP, etc.).

EP3-E-4-A is also widely used in the field of industrial automation, such as electric power, petrochemical industry, water treatment and so on.

Definition of signal conditioning module:

It is mentioned that the signal conditioning module is a device for converting signals into a format that is easier to process, and is usually used for operations such as filtering, amplification, isolation and range matching. This shows that the signal conditioning module may play the role of signal preprocessing in industrial control system.

Inferring the function of EP3-E-4-EN:

Although there is no direct evidence to describe the specific functions of EP3-E-4-EN, it can be inferred that EP3-E-4-EN may be a module for signal processing and control, and may have functions such as signal conditioning and data conversion.