181319 ⎘
Program-control systems; Pc systems; Pc programming Use signatures to know module is not corrupt, cfc, control flow checking
Rapid configuration security system for industrial control infrastructure
#2Security system for industrial control infrastructure
#3Method for assignment of verification numbers
#4Method for operating a tachograph and tachograph
#5Protection unit for a programmable data-processing system
#6Safety controller providing rapid recovery of safety program data