SIMATIC S7-1500F. CPU 1518F-4 PN/DP MFP. CENTRAL PROCESSING UNIT WITH C/C++ RUNTIME INTERFACE. WORKING MEMORY 4 MB FOR PROGRAM AND 20 MB FOR DATA. 1. INTERFACEPROFINET IRT WITH 2 PORT SWITCH. 2. INTERFACE PROFINET RT. 3. INTERFACE ETHERNET. 4. INTERFACE PROFIBUS. 1 NS BIT-PERFORMANCE. SIMATIC MEMORY CARD NECESSARY