A smaller building may have a single, computerized HVAC controller that operates the direct digital control (DDC) system. However, a large building normally requires a more complex system of ...

Digital controls have been with us for years, yet those of us who do not regularly work with them are not always aware of their full capabilities. Direct digital control (DDC), building automation ...

The advent of electromechanical controls in the 1970s, analog controls in the 1980s, direct digital control (DDC) in the 1990s, and complete building control integration in the 2000s has progressively ...

Choosing the right type of controller for your application can be confusing. This whitepaper explains the different kinds of controller - programmable logic controller (PLC), direct digital controller ...

The FC-75211M2 Fibre Channel network-access controller from Data Device Corp. (DDC) employs an SAE AS5653 interface, also known as High-Speed 1760, a 1-Gbps communication option for MIL-STD-1760. Each ...