[2009]Sweet making department for company “ D and K – 2000 “ ltd village Lednik, Veliko Tyrnovo
The air-conditioning in the building is fulfilled by a system of air-conditioners and other devices for ventilation and heating. The equipment in the boiler room is being monitored, the humidity level in the rooms is watched and archived.
The basic page of the visuliazation is shown on fig.1:

fig.1
On this page are located the buttons, which load the pages, which visualize the different parts of the system(fig.2) , there is also a button that changes the work regime – Heating or Cooling.

fig.2
For more comfort a weekly schedule has been made, the schedule is used for setting the time when the heaters start and stop working(fig.3), with an option for individual working time for every heater. For each day of the week a start and stop hour is set.

fig. 3
If the start hour is the same as the stop hour, the selected heater won’t turn on at all.
All the devices are suited to work in manual and in automatic regime. For the normal operation of the devices in automatic regime all the switches need to be turned in direction “Automatic control”. In this case the starting and the stopping of the heaters is decided from the weekly schedule. The start hour and the stop hour can be different for each day of the week consistent with the acticity rate of the maintained rooms.
Heaters which have a humidity level watching device in the room have a visualized remote state(ON/OFF) and the value of the measured humidity(fig.4).

fig.4
The humidity level in the rooms is shown on a separate page in the SCADA, in which the different measurements are visualized(fig.5).

fig. 5
There is an opportunity to make a query for the humidity level. This query can be saved or printed.
fig.1