SIPLUS S7-300 CPU 315F-2DP with conformal coating according to EN 50155 T1 Cat 1 Cl A/ B based on 6ES7315-6FF04-0ab0 . Fail-safe module with MPI Integr. power supply 24 V DC, Work memory 384 KB, 40 mm width, 2nd interface DP master/ slave Micro Memory Car