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BUILDING NETWORK ADAPTER BNA-1C/2CS/2DN
6 EN1B-0198GE51 R0801
the requesting device. Status information like LAN
communication activity, field bus traffic communication
and system heartbeat of the Building Network
Adapter is indicated by LEDs on the front of the
device.
Technically, the Building Network Adapter
provides an interface from various Honeywell
controller busses that use RS232/RS485 signals to a
local area network using 802.3 Ethernet protocol.
This allows data to be used by high-level building
management systems such as Enterprise Buildings
Integrator (EBI), Excel Building Supervisor (XBS),
and Excel Facility Integrator (XFI).
This Installation Instruction and User Manual cover
all BNA device types listed below.
BNA-1C provides a single RS485 DC coupled C-
Bus-compatible communication chan-
nel for XL5000 family devices with up
to 76.8 kbps.
BNA-2CS provides two RS485 DC coupled C- / S-
/ FS-90-Bus compatible communica-
tion channels for different applications,
like Excel IRC and Excel Classic as well
as XL5000 family devices with up to
76.8 kbps.
BNA-2DN provides two RS485 AC coupled Man-
chester encoded L1-Bus (DeltaNet Peer
bus) compatible communication
channels.