Network type automation concrete plant

A network type automated concrete plant system comprising a plurality of ready-mixed concrete plants dispersed in a plurality of regions of a construction area having a ready-mixed concrete producing machine, a plurality of ready-mixed concrete trucks for transporting read-mixed concrete produced in said ready-mixed concrete plant to the construction area, communication means for connecting said plurality of ready-mixed concrete plants and a plant center through a network, and the plant center for collectively managing said plurality of ready-mixed concrete plants connected by said communication means, said plant center sending a plant control signal to the plurality of ready-mixed concrete plants to produce ready-mixed concrete to be transported to the construction area by the plurality of ready-mixed concrete trucks, wherein each of the ready-mixed concrete plants comprises data sending/receiving means which inputs an identifying number of the ready-mixed concrete truck, sends the identifying number and a plant number which identifies the ready-mixed concrete plant to said plant center, and receives a plant control signal from said plant center, control means which controls the ready-mixed concrete producing machine by a control signal from said plant center, and the ready-mixed concrete producing machine which accommodates concrete raw material and which is controlled by said control means for producing ready-mixed concrete, said plant center comprises data sending/receiving means which receives an identifying number of said ready-mixed concrete truck and a plant number and sends a plant control signal, plant managing means which identifies the plurality of ready-mixed concrete trucks by the identifying number received by the data sending/receiving means, which sends, to the ready-mixed concrete plant of the plant number, a plant control signal for controlling the ready-mixed concrete plant including composition state of material of the ready-mixed concrete to be transported by the identified ready-mixed concrete truck, inner capacity and instructions of destination, and which collectively manages the plurality of ready-mixed concrete plants, and ready-mixed concrete truck managing means which manages running states of the plurality of ready-mixed concrete trucks by means of state signals sent from the ready-mixed concrete trucks.