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PC control

PC control

simple <br>control

simple
control

service <br>remote access

service
remote access

system programmed<br> according to customer needs

system programmed
according to customer needs

Computer control of the post-harvest line is a state-of-the-art control system

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description Reference
PC control

Computer control of the post-harvest line

The computer control of the post-harvest line is a state-of-the-art control system, where the operator starts the selected program by clicking the mouse on the control scheme on the PC monitor in the control room. The system is programmed exactly according to the needs and wishes of the investor. All necessary data and statuses are monitored and recorded. The current status of silo filling, grain temperatures inside the silo, outside temperature and humidity are basic data that the operator can see and evaluate directly on the PC monitor. The ventilation triggering system is dependent on the current outside air condition, temperature, humidity and time and its aim is to balance the temperature difference between inside and outside the silo as best as possible to avoid condensation and thus deterioration of the stored grain.

  • simple operation
  • the system is programmed according to the customer's needs
  • integration of STELA dryer control into our control software
  • monitoring and recording of all data collected
  • possibility of servicing via remote access
  • easy addition of the system in case of line extension

Simple control

Important statuses can be displayed remotely, e.g. on a mobile device. We also use remote access for immediate service interventions and monitoring of fault conditions to identify potential faults. The control of the entire post-harvest line is implemented via a control panel installed on a personal computer running Windows XP and Control Web 6.1. It can be used to start motors, close or open flaps and gates. 

Controlling the machines and starting the paths is very simple and intuitive. For example, if you want to start a certain transport path, you set the flaps and gates to the appropriate positions using the left or right mouse button and click on the machines you want to start with the left mouse button (if you want to turn off a machine, click on it with the right mouse button). Before the first machine in the path is started, the warning horn will automatically sound.

More information

DESCRIPTION

Automatic machine start-up

Among other things, the system is set to automatically start the machines associated with the purifier. This means that when the purifier is started, all conveyors and fans associated with the purifier, including the fan on the cyclone, are automatically started.

Force automation

Starting the lower aeration and upper exhaust fans is done either manually, by clicking on the respective fan, or by a timer. The timer setup panel is displayed by clicking on the "Fan Timing" button. In it, for each silo separately, the clock in which the fan will run in the respective silo can be set. The running of the fans is blocked by the outside temperature and humidity, the values are set in this panel.

Level measurement

Level gauges are installed in the main silos and in the storage silo for the dryer. These show the free space in meters with a resolution of 0.1 m. Maximum level sensors are installed in the dispatch hoppers. When the sensor switches on, the fill light on the screen illuminates, the horn sounds and a message window is displayed. At the same time, the first conveyor of the path to the silo stops.

Temperature measurement

In the main silos, thermometer cables are installed, the number of which is derived from the diameter of the silo. Measurements are taken continuously (if the computer is switched on). In the temperature measurement panel, it is possible to set a threshold from which the temperature reading turns red. This indication depends on the level in the silo (only temperatures in the crop are taken into account, not in the empty space above), and the setting is separate for each silo. Each day the measured temperatures are recorded in the archive. Each silo has its own archive, which is broken down by calendar month, with an archiving period of one year. The archived temperatures can be displayed and printed as a table or displayed as a color graph.

REFERENCE

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