Nowadays a Building Automation System (Building Automation System, BAS) is an important part of modern buildings. The system is responsible for the operation and function of the utilities such as heating, ventilation, air conditioning, lighting, shading and much more.
Usually the building automation system also monitors  infrastructure facilities such as electric power, communication facilities, elevators and other techniques in the building. Mostly also the danger alarm with fire and intrusion detection, access control and video systems are integrated. That makes the building controllable and monitorable.
A Building Automation System also cares for an economic and effortless operation. It performs reliably control and optimization strategies and fulfilled functions such as operation time optimization, maximum load limit, enthalpy and calculation of heating curves to keep operating costs as low as possible, while ensuring optimum comfort for the residents.
At the same time, the building serves as a tool for management tasks such as analysis, adaptation and optimization of current modes of operation and support of automated payroll (Facility Management).


Because of the open architecture of IMPERIO, the own building automation hardware components of CPA and also nearly all products from renowned manufactures can be used.
The key advantage when using CPA substations, the utility of continuous programming, resulting in a savings of up to 80% can be achieved in creating of projects .


IMPERIO as a Process Control System, and especially as IMPERIO-BAS provides a number of enhancements for optimal use in building automation.
A high number of elements in an automation library, separated by functions and applications, allows a fast project creation, since all programming and parameterization is not necessary. The simply using of objects in the process visualization and mapping of the physical inputs and outputs are the only necessary steps to do. All other steps, as generating the substation program, preparation of communication variables, creation of the process and reloaded of the programs and parameters are automatically done in the background. These method is supported by all process control substations of  CPA, and also for substations and controllers of more than 100 manufacturers.
More comprehensive pre-parameterized libraries with several thousand elements allow the creation of projects in a uniform appearance. These libraries can also be modified and expanded by the user.
The system is open to every standards in building control such as BACnet, LON, EIB, etc.
A Telealarm package, which is able to inform the service personnel in plain text informations directly about malfunctions or alarms ensures immediate reactions on errors as soon as possible and minimizes costs through faults or potential usefulness of building sections.
A DDC controller configuration interface allows the comfortable input of operating times and set points for individual room control with automatic detection of heating periods as well as integrated automatic frost protection.
Other additional packages such as the Pacot tuners allow a fully automatic optimization of the individual control loops, to ensure an energy efficient operation with a pleasant climate.
A maintenance module allows runtime dependent management and pre-preventive maintenance of lamps and generators.
Standardized interfaces with common office and statistical packages allow the display and evaluation by all possible criteria, or transfer customer billing systems for consumption or facility management applications.

General Functions of Building Automation

Basic functions for reporting, measuring, counting and remote switching
Functions to represent the operation
Functions for monitoring and alerting in case of error
Processing capabilities for secure local automation, control and regulation
Processing functions for local optimization (energy efficient mode of operation)
Processing functions for overall optimization and coordination function
Dialog-control functions (human-system communications)
Management decision support capabilities (analysis of current or historic operations)
Tools for calculation of optimized operating parameters
Functions for data exchange with other systems (system combination)
Functions for remote control and remote maintenance
Tools for changes, expansion and testing
Functions for backup of data (archiving)
Maintenance of a comfortable climate
Air quality monitoring
Use of daylight in coordination with artificial lighting
Solar radiation dependend sun protection

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