S275 is a 4G RTU with IIoT data acquisition, remote monitoring and control, SMS alarm functions, it is widely used in remote data acquisition and monitoring of various industries, such as smart grid, smart transportation, industrial automation, smart building, firefighting, public safety, environmental protection, meteorology, digital medical, agriculture, forestry, water, coal mining, petrochemical and other fields.

●8 digital input, 4 relay output, 6 analog input and 1 temperature&humidity input;
●1 RS485 serial port, Modbus RTU (Master/Slave), can expand multiple Modbus Slave devices, Max. 320 data points;
●Embedded TCP/IP stack, supporting Modbus RTU, Modbus TCP and transparent transmission;
●Built-in powerful telephone and SMS alarm function, regular reporting, abnormal upper and lower limit alarm;
●Local logic control of the device, linking relay outputs based on monitoring of digital input and analog value thresholds;
●Anti-dropout mechanism to ensure the device always online and it comes with data retransmission function;
●Support remote configuration, remote management and remote restart by SMS;
●Built-in powerful timer function, support timed automatic reporting, timed daily SMS, timed online, timed offline, timed restart, timed execution relay output, etc.;