Control of a data exchange in a local system of automation of a master schedule

In a system of automation of a master schedule, the processor interacts with different peripherals devices (PD) through the scheme of coupling. For a method of reception and transfer of input or output data, two-way communication between the processor and system channel in an input cycle (data acquisition from PD) or output cycle (data transfer to PD) should be organized. Thus, for PD, it is necessary to work out the system control signals pursuant to the details of exchange.