SIMATIC S7-400H, CPU 417H Central processing unit for S7-400H 4 interfaces: 1 MPI/DP, 1 DP and 2 for sync modules 20 MB memory (10 MB data/10 MB program)
SIMATIC S7, CPU 410SIS Safety Controller central processing unit for S7-400F and S7-400FH, 5 interfaces: 2x PN, 1x DP, 2x for Sync modules for use as spare part, without System Expansion Card