FIELD: control units for automatic instruments, in particular, multiple-channel instruments which operate in unattended mode for environment monitoring, checking radiation and so on. SUBSTANCE: device has decoding unit, multiplexer, two comparators, matching and inverting amplifiers, digital-to-analog converter, register of start method, register of start level, data bus, address bus, control bus and group of scaling amplifiers, unit for calculation of positive extreme value and unit for calculation of negative extreme value. EFFECT: increased efficiency of operations for system which monitors environment which state is described in terms of independent or loosely dependent characteristics. 1 dwg
