Siemens 6ES7416-3XS07-0AB0 PLC CPU Module. The recorded exact-product description states: SIMATIC S7-400, CPU 416-3, Central processing unit with: Work memory 16 MB, (8 MB code, 8 MB data), 1st interface MPI/DP 12 Mbit/s, 2nd interface PROFIBUS DP, 3rd interface plug-in IFM module. This is a legacy installed-base replacement listing for S7-300/S7-400 demand and is not represented as a current platform.