6ES7511-1TL03-0AB0 SIMATIC S7-1500T, CPU 1511T-1 PN, central processing unit with work memory 450 KB for program and 1.5 MB for data, 1st interface: PROFINET IRT with 2-port switch, 25 ns bit performance
SIMATIC S7-1500T, CPU 1511T-1 PN, Central processing unit with Work memory 225 KB for program and 1 MB for data, 1st interface: PROFINET IRT with 2-port switch, 60 ns bit performance, SIMATIC Memory Card required
SIMATIC S7-1500F, CPU 1511F-1 PN, central processing unit with work memory 450 KB for program and 1.5 MB for data, 1st interface: PROFINET IRT with 2-port switch, 6 ns bit performance, SIMATIC Memory Card required
6ES7511-1FK02-0AB0 Siemens simatic s7-1500f, cpu 1511f-1 pn, central processing unit with with working memory 225 kb for program and 1 mb for data, 1. interface: profinet irt with 2 port switch, 60 ns bit-performance, simatic memory card necessary