SIMATIC ET 200SP Open Controllers, CPU 1515SP PC F. 4 GB RAM, 30 GB CFAST with WES 7 P 64 bit pre-installed, mit S7-1500 Fail-safe SWC CPU 1505SP F pre-installed Interfaces: 1x slot CFAST, 1x slot SD/MMC, 1x connection for ET 200SP bus adapter PROFINET 1x