SMS Text Command Wireless Modbus RTU GSM Security Alarm System For Transformer Stations

GSM security alarm system SMS text command , gsm remote terminal unit Inst-RTU wireless remote control terminal series products are the high-performance monitoring and control device which integrates analog signal acquisition, digital signal acquisition, relay control output and wireless data communication function. Can be directly connected to the standard sensors output analog signals, various level signals, dry contacts, pulse signals, etc. Can be used as the master