BAScontrol Series Open BACnet Controllers Built on Sedona
In This Series
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Introduction to BAScontrol
The BAScontrol series of BACnet/IP-based Sedona controllers remain popular with system integrators, mechanical OEMs, and HVAC training institutions because of their license-free open architecture and free toolset. These controllers offer simple webpage configuration and function block Sedona programming. Free by download is the BAScontrol toolset that includes the Sedona Application Editor (SAE), a project archiving tool called BASbackup, and a BASemulator which is the next best thing to a real controller. Although all controller models are freely programmable, pre-built Sedona applications for fan coils, heat pumps and air handlers with included documentation are available to speed project implementation.
Contemporary Controls is adding two models to its BACnet/IP Sedona unitary controller series including a BACnet MS/TP model (BAScontrol22S) along with a two-port Ethernet model (BAScontrol22D). Both models retain the BACnet/IP Ethernet connectivity common in existing models. With these new models, Contemporary Controls retains its mission of providing freely programmable, web-based open controllers with BACnet as the protocol, license-free Sedona as the programming language with non-restricted access to the free BAScontrol Toolset.
Two models were created with the firmware 4.0 upgrade. While both models support BACnet/IP over Ethernet, the 22S has only one Ethernet port and one MS/TP connection, while the 22D has two Ethernet ports for daisy chain network connections. BACnet client/server operation is possible over either Ethernet or MS/TP.
All controller models regardless of firmware version comply with the B-ASC device profile with a convenient mix of 8 universal inputs, 4 binary inputs, 4 analog outputs and 6 relay outputs. Unique to the series are 48 web components which link Sedona wiresheet readable/writeable data to web pages, and 24 virtual points which link Sedona wiresheet readable/writeable data to a BACnet client. Rugged design, low profile, and wide temperature operation make the series suitable for indoor or outdoor use. The units are powered from a 24VAC/VDC source.
Next: Understanding BAScontrol Firmware