PLC control device for oil field fuel oil gas injection boiler

The utility model relates to the automatic PLC (Programmable Logic Controller) control technical field, in particular to a PLC control device for an oil field fuel oil gas injection boiler; parameter sensors of the temperatures, pressures, etc. of each parts of the fuel oil gas injection boiler are in connection with a PLC analog quantity input module; a switching value is in connection with a PLC digital quantity input module; a PLC analog quantity output module and a digital quantity output module control corresponding execution mechanisms; The serial ports of the PLC are in connection with a touch screens (Human Machine Interface); a GPRS (General Packet Radio Service) communication module collects PLC data and transmits the data to a management control center through a mobile GSM network. The PLC control device raises the automation degree of the fuel oil gas injection boiler, and ensures the safe and stable operation of the fuel oil gas injection boiler; meanwhile the PLC control device controls a plural