under the order

SIMATIC S7, SW redundancy V1.2 single license for 1 installation R-software (for two CPUs), SW and documentation on CD, Class A, 5 languages(de,en,fr,es,it) Executable in Win95/98/ME/ Windows NT/2000 Prof., Reference HW: SIMATIC S7-300/400 CPU 315 and higher

Download instructions at Siemens

If you have additional questions contact the manager