Practical training device for mounting and maintenance of instrument and control system

The utility model discloses a practical training device for mounting and maintenance of an instrument and a control system. The practical training device is characterized by comprising a control cabinet, a control object, connection pipeline, a differential pressure transmitter, an electro-magnetic flow meter and a fault setting port, wherein the control object and the control cabinet are communicated through signal wire, the fault setting port is in the control cabinet, moreover, the control cabinet is internally provided with a power source distribution device, a signal distribution device and a safety barrier, and an instrument cabinet is provided with a direct current power source indicator meter, an adjuster, an alarm lamp and a paper-less recorder. The practical training device is advantaged in that training programs of the practical training device are complete; fault design is flexible and convenient; learners can select instruments and draw graphs according to a control scheme, mounting, testing, ove