SIMATIC MODEL S7-1500, CPU 1516-3 PN/DP, CPU WITH 2 MB WORKING MEMORY FOR PROGRAM AND 7.5 MB FOR DATA, FIRST INTERFACE: PROFINET IRT WITH TWO GATES, SECOND INTERFACE: PROFINET RT, THIRD INTERFACE: PROFIBUS, 6 NS BIT PERFORMANCE, SIMATIC MEMORY CARD REQUIRED, PART NO. 6ES7516-3AP03-0AB0, SIEMENS BRAND