The way of mutual signal connections were the target of researches.
Findings: As a result of scientific work, the universal and compatible informatics connection system of the robot lathe center was created.
Research limitations/implications: The project of the data exchange system is confined to PROFIBUS DP lan.
Practical implications: The result of the researches was developing a technical element choice procedure of the data exchange depending on transport means quantity and system composition in the robot lathe system.
Originality/value: This is a brand new paper, which describes internal systems of data exchange in robot integrated manufacturing system in example of automatic lathe center.