The Excel 800 （consisting of the XCL8010A Controller
Module and connected Excel 800 Panel Bus or 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 provides
excellent value during installation and long-term operation.
The modular design enables the system to be expanded to
meet growing needs.
The Excel 800 operates via "plug & play" Panel Bus I/O
Modules, yielding huge installation and commissioning costsavings
due to new, patented technologies, while also
operating with LONWORKS Bus I/O modules utilizing the
LONWORKS communication standard. The 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. All electronic modules can be
changed without disrupting the power and bus connections:
Software updates, configuration, and commissioning are all
done automatically for the Panel Bus I/O Modules.
The open LONWORKS standard enables easy integration of
3rd-party controllers and communication with other 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.

XCL8010A Excel 800 plant controller
Panle I/O
XF821A 8 analog input module （Panel）
XF822A 8 analog output module （Panel）
XFR822A 8 analog output module with override （Panel）
XF823A 12 binary input module （Panel）
XF824A 6 relay output module （Panel）
XFR824A 6 relay output module with override （Panel）
XFR825A Actuator output module with override （Panel）
Lon I/O
XFL821A 8 analog input module （LON）
XFL822A 8 analog output module （LON）
XFLR822A 8 analog output module with override （LON）
XFL823A 12 binary input module （LON）
XFL824A 6 relay output module （LON）
XFLR824A 6 relay output module with override （LON）
Terminal socket Model
XS821-22 Terminal socket for analog input and output modules.The package includes 1 terminal

socket, 1 connector bride and 1 swivel label.
XS823 Terminal socket binary input modules.The package includes 1 terminal socket, 1 connector

bride and 1 swivel label.
XS824-25 Terminal socket relay output and floating output modules.The package includes 1

terminal socket, 1 connector bride, 1 cross connector and 1 swivel label.
Accessary （Optional）
XS812 Manual disconnector module for analog input, analog output and binary input. The manual

disconnector is plugged between the terminal socket and the electronic module. It allows manual

disconnection of individual signals. This is useful during start-up.
XS812RO Manual disconnector module for relay output.The manual disconnector is plugged between the

terminal socket and the electronic module. It allows manual disconnection of individual signals.

This is useful during start-up.
XS814 10 auxiliary terminal blocks. The auxiliary terminal block is used for distribution of

signals. It includes 2 blocks with 7 terminals which are connected to each other.
XS815 20 cross connectors （red in below figure） for connection of 6 relay commons.One cross

connector is included in the terminal socket package.
XS817 40 cross connectors （red in below figure） for connection of 3 relay commons （used if

voltage on relay 1…3 is different to voltage on relay 4…5）
XS816 10 bus bridges. One bus bridge is included in the terminal socket package.
XAL10 10 swivel labels. The swivel label is used to attach the application specific label printed

with CARE.One swivel label is included in the terminal socket package.
XW882 XI582 cable for Excel 800 （a combination of XW586 and XW582 can be also used）.
XW885 Download cable for Excel 800 （a combination of XW586 and XW585 can be also used）.
XW884 Adapter cable to use XW882 and XW885 with an XL500 controller

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