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GENERAL
Controller Module and connected Excel 800 Panel Bus and/or Excel 800 LONWORKS Bus input/output modules) provides
highly cost-effective freely programmable control for heating,ventilation, and air conditioning (HVAC) systems. It performs
a wide range of energy management functions, including optimum start/stop, night purge, and max. load demand. The
Excel 800 System provides excellent value during installation and long-term operation. Its modular design enables the
system to be expanded to meet growing needs.
The use of "plug & play" Excel 800 Panel Bus I/O modules yields huge installation and commissioning cost-savings due
to new, patented technologies, while the Excel 800 LONWORKS Bus I/O modules employ the LONWORKS communication standard.
The mixed Excel 800 Panel Bus I/O modules (XF830A and XFU830A) consist of a terminal socket with an integrated
electronic module. The pluggable (i.e., non-mixed) Excel 800 Panel Bus (XF82x) or LONWORKS Bus (XFL82x) I/O modules
consist of a terminal socket and a removable electronic module, allowing the socket to be mounted and wired before
the electronic module is installed. Such removable electronic modules can be hot-swapped without disrupting the power
and bus connections. Software updates, configuration, and commissioning are done automatically for all Excel 800 Panel
Bus I/O Modules.
The open LONWORKS standard enables easy integration of 3rd-party controllers and devices, and communication with
other CentraLine / Honeywell devices (e.g. Excel 10 and Excel 12 room controllers).
Remote service can be done via a modem / ISDN terminal adapter in connection with a building supervisor.
Direct Web is supported via Honeywell's OpenViewNet, which may be connected via C-Bus to the Excel 800.
