SIMATIC S7-1500 Failsafe Software Controller CPU 1507S F Single License for 1 installation. R-SW Class A. software. documentation and license for download. 1 language (en). executable in SIMATIC Industrial OS V3 reference hardware SIMATIC IPC2x7G. IPC4x7E. BX/PX-39A ******************************* Consignee e-mail address required for delivery