The Schneider 140CRA31200 module is the communication module for Schneider Electric’s Modicon M system, a family of programmable logic controllers (PLCS) for industrial automation applications.

Product Name:

Schneider Electric Modicon M Communication Module (140CRA31200 specific model)

Product Description:

Enables Modicon M PLC to communicate with other devices on the network.
The specific model name (140CRA31200) may indicate the communication protocol it supports and potentially other features.