Industrial Automatic Control Systems and Controllers Annotation << Back Defi nitions of Time Intervals on the Basis of Software Modules Via Frequency Generator D.Yu. Labuzov, V.A. Holopov The article describes a method for solving problems in determining the time intervals on the basis of software modules using the frequency generator. Examine the way it was written in the language LAD and options for integration into a device driver. Keywords: APCS; programmable logic controllers; software timers; pulse generator. Contacts: E-mail: labuzoffden@gmail.com, E-mail: holopov@gmail.com Pp. 34-37.