Stirring building or station embedded control system

[0020] like figure 1 , 2 As shown in the figure, the embedded control system of the mixing building and station of the present invention includes an embedded industrial controller (PAC: Advantech UNO-2170KW, 1.6GHz, with a 512KB secondary cache processor; memory: 512M, and an additional 200pin DDR memory expansion slot; supports wide-range DC/AC power input, dual network ports, 4COM, 5USB 2.0, CF card, PC/104+ expansion interface); the communication interface of the embedded industrial controller is respectively connected with the display, host computer, Industrial Ethernet switch (EKI-2525; 5 10/100Mbps Ethernet ports; 8-slot distributed rack: ADAM-5000/TCP; CPU: RISC; Memory: 4M) communication connection; the industrial Ethernet switch communication interface An I/O controller (ADAM-5055S; 8 inputs; 8 outputs; electrical isolation: 2500VDC.) is connected; the signal input interfaces of the I/O controller respectively pass through the analog input module (ADAM-5017P; distinguish Rate: 16bit; electrical isolation: 3000VDC) is connected to the signal output terminal of the load cell, and is connected to the on-site switch signal through the switch input module (ADAM-5056S; 16 outputs; electrical isolation: 2500VDC) and the intermediate relay; I/O control The signal output interface of the device is connected to the control terminal of the field actuator through the switch input module (ADAM-5056S; 16 outputs; electrical isolation: 2500VDC) and the intermediate relay; The signal output end of the degree detection device, the material level sensor, and the sand water measuring instrument are connected; the control output end of the industrial Ethernet switch is respectively connected with the control input end of the printer and the large-screen display screen.

[0021] The slump detection device is composed of a current transformer for detecting the current signal of the mixer motor and a voltage transformer for the voltage signal. The slump value is obtained by comparing the collected current and voltage values ​​of the mixer motor with the laboratory data.

[0022] There are a plurality of the weighing sensors, which are respectively arranged at the positions of each weighing bucket on site; the on-site switch signals are respectively the limit switch signals installed at the positions of each weighing bucket door, silo door, and the discharge door of the mixer; The actuators are contactors for controlling mixers, screw conveyors, belt conveyors, and water pumps, respectively, and electromagnetic air valves for controlling scale bucket doors, silo doors, and mixer discharge doors; and the temperature detector is The temperature sensor installed in each aggregate bin and powder bin is used to detect the temperature of each bin; the material level sensor is installed in each aggregate bin and powder bin to detect the material inventory; The sand water measuring instrument is installed at the position of the outlet of the sand silo.