The process control system for depiler of finishing train of mill «2000» (rolling shop 16). The depiler that also includes a transfer table was commissioned and put into service. The works were conducted jointly with specialists of CJSC «NPP «Mashprom» company. The process control system was built on basis of S7-300 controller («Siemens» brand). The optical network Profibus was installed to eliminate electromagnetic interference effect. The frequency converters SINAMICS («SIEMENS» brand) were used as the depiler drives. The frequency converters ACS 550 («ABB» brand) were used for the roller bed drives.