ABB LD GRB-01 3AFE61320954 Digital Input/Output (I/O) Module in StockLDGRB 01 refers to a Digital I O Module based on common naming conventions for industrial automation components and ABB's expertise. Function: Digital I O Module: This module facilitates communication between a control system (PLC) and various digital input and output devices within a machine or process. Components: Digital Inputs: These inputs receive digital signals (typically 0V or 24VDC) from sensors, switches, or other devices, providing