PC-based control technology from Beckhoff enables all building functions to be realized based on software. This means maximum flexibility and low engineering costs. The comprehensive TwinCAT building library covers all main building functions. The new TwinCAT HVAC library contains more than 70 function blocks for automation of heating, airconditioning, ventilation and sanitary installations.

The HVAC library is a comprehensive PLC library for TwinCAT automation software with more than 70 functions that simplifies engineering significantly for applications in the area of building technology. Function blocks are available for handling sensors/actuators, for example temperature sensors, analog valves, 3-point valves or single-stage fans.

The TwinCAT PLC HVAC library allows complex control tasks to be performed:
| time schedulers
| start-up programs
| sequence controller
| operating hours counter
| summer night cooling
| setpoint generators

The uniform look and feel is common to all function blocks. A variety of parameters can be used to tailor the function blocks individually to suit their respective tasks in the system being automated. For example, a general pump block can be parameterized with ease to meet the requirements of a cooling, heating, heating circulation, circulating or charge pump. Management of the internal parameters is standardized for all blocks.

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