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Dx-9121-8454 johnson control digital control (lonworks)
JOHNSON CONTROLS INC DX-9121-8454
over the N2 Bus, ntegrating its point and control information with the entire Metasys Network.
of the controller (DX-9121-8454) brings peer-to-peer communication to the already rich feature set of the Version 2 controller, and enhanced alarm reporting capability when used as an integral part of an FMS.
The new communications features are provided by the L
ONWORKS network, which enables Version 3 controllers to pass data between each other and to send event-initiated data to the NCM300 or NCM350 (NCM311 or NCM361 in Europe) Network Control Module (NCM) in the FMS. The LONWORKS (Echelon) N2E Bus is used in place of the N2 Bus, and the NCM300 or NCM350 (NCM311 or NCM361 in Europe) must be fitted with a LONWORKS driver card.
http://cgproducts.johnsoncontrols.com/MET_PDF/6364020.PDF
