The MS4812 controller is designed for converting USB interface signals to the RS-485 interface standard, powering peripheral devices, as well as for indication. In addition, it controls the polling of these devices and records all received data on the SD card. The controller has an option - one of the interfaces to choose from: RS-232, Ethernet, 868 MHz radio channel. All three options work in the same way in terms of data exchange. Distinctive features:- Double galvanic isolation 1000 V by power supply and digital part;- Connection of up to 32 peripheral devices such as: IN120 quartz inclinometr, DK200 quartz deformometers, three-axis digital accelerometer ACT-90, Two-axis digital inclinometr ACT-90, data collection devices from the USD-A8 series.