Data collecting apparatus for factory station data access PI system

The invention discloses a plant data access PI system data collecting device which relates to power system equipment. The prior art has the defects of poor reliability and integrality. The invention comprises a plurality of collecting boards carrying out collection and transmission on data, as well as a managing board carrying out processing on the data collected by the collecting boards; the collecting boards and the managing board are respectively provided with a physical isolating channel; the managing board is connected with a human-computer interaction module; the collecting device also comprises a double-power module supplying power to the collecting boards and the managing board. The plant data access PI system data collecting device not only ensures accuracy and integrality of data collection, but also improves the system safety by arranging the collecting boards and the managing board which are physically isolated in one way. Moreover the plant data access PI system data collecting device is convenient to be used and maintained.