Siemens SIMATIC PLC 6AG1511-1AK01-2AB0 SIPLUS S7-1500 CPU 1511-1 PN    -40 ... +60 °C    STARTUP -20 °C    WITH CONFORMAL COATING    BASED ON 6ES7511-1AK01-0AB0    .    CENTRAL PROCESSING UNIT WITH    WORKING MEMORY 150 KB FOR    PROGRAM AND 1 MB FOR DATA,    1. INTERFACE: PROFINET IRT    WITH 2 PORT SWITCH,    60 NS BIT-PERFORMANCE,SIMATIC MEMORY CARD NECESSARY 6AG15111AK012AB0