Siemens 6ES5310-5AA12 is an IM310 interface module for the SIMATIC S5-311 CC rack, used to connect remote expansion units to the central Siemens S5 controller. It supports distributed configuration across distances up to 1,000 meters, enabling remote I/O expansion in legacy SIMATIC S5 installations. The part number 6ES5310-5AA12 corresponds specifically to the IM310 interface module designed for the S5 311 CC interface configuration.
