Siemens 6ES7138-4FA00-0AB0 is a PLC module designed for the SIMATIC S7-300 automation system. The part number 6ES7138-4FA00-0AB0 identifies this module within Siemens' S7-300 product family. It is intended for use in Siemens S7-300 installations as part of a PLC-based control solution.
