Used controller: Siemens Simatic S7-3172 PN/DP .
Used visualization program: Siemens WinCC.
Vadības sistēma
Vadības sistēmai ir 5 sakaru kanāli ar vadības elementiem:
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The control system
The control system has 5 channels of the connections with the control elements:
- The central control cabinet - PLC (is located in the PLC cabinet) The inputs and outputs are closed to it with the electric control cabinet, including the control of the electric motor and the control of the automation elements.
- The control channel of the frequency transformer on the interface "Profibus DP".
- The channel of the periphery division - AS - interface (through DP/AS) transformer. The modules are closed to it, which conduct the electromagnetic valves and collect the information about the state of the level sensors, cutting and end switches.
- The channel of the connection with the system of the visualization and with the control system - the Ethernet interface between the controller and computer.
- The channel of the connection with the scales - on the bases of the communication processor CP-341.
The followings devices are included in the PC set: the server, the operator station, the router and the auxiliary devices.