AUTOMATIC CONTROL SYSTEM WITH SELF-TESTING

摘要

FIELD: automatics, computing technique, possibly control of manufacturing processes in different branches of industry, for example controlling operation of steam and water heating boilers. SUBSTANCE: automatic control system with self-testing includes unit for discrete-digital conversion, digital computer, unit for digital- discrete conversion, device for communicating with object, control board. System includes in addition diagnostics unit whose first and second inlets are connected respectively with outlet of device for communicating with object and with first outlet of digital computer. First and second outlets of diagnostics unit are connected respectively with second inlet of computer and with forth inlet of discrete-digital conversion unit; third outlet of diagnostics unit is connected with controlled object, its forth outlet - with second inlet of control board. EFFECT: enlarged functional possibilities, enhanced operational reliability and authenticity of testing. 2 cl, 1 dwg