FIELD: remote control and security equipment. SUBSTANCE: method involves loop request of remote units by central station by means of sending request information packets into transmission line and reception of response information packets, which contain information about state values of parameters monitored by remote units. Request and response information packets contain synchronization signal, which is designed as sequence of pulses of period T1, start bit, information signal, which is designed as sequence of pulses which periods are T1 and T2 and which are transmitted firstly in plane and secondly in inverted form. Request signal for next remote unit contains bit for confirmation of reception of previous unit response signal by central station. Method provides possibility of information exchange in conditions of high-noise level in transmission lines. EFFECT: increased reliability of monitoring of state of remote units, increased field of application. 3 dwg
