SIEMENS SIMATIC S7-1500, CM PTP RS422/485 HF communications module 6ES7541-1AB01-0AB0
6ES7541-1AB01-0AB0 SIMATIC S7-1500,
6ES7541-1AB01-0AB0 SIMATIC S7-1500,
6AV7240-7AC06-0PA0 SIMATIC IPC
6AV7881-1AF00-3DN0 ***No longer
6AV7882-0AA10-1LA0 SIMATIC IPC277E
6DD7060-1AA06 LO6PLUS-A-6 FIBRE-OPTIC
6ES7414-3EM05-0AB0 German S7-400 CPU414-3 PN/DP, 2.8MB work memory, MPI/DP + PROFINET, supports IF964-DP, obsolete legacy spare unit.
Siemens 6ES7412‑1XJ05‑0AB0 SIMATIC S7‑400 CPU 412‑1, 256 KB work memory, central processing unit for S7‑400 rack‑based PLC system, multi‑processing capability, for medium‑size industrial control applications.