Xbn Switches - Johnson Controls METASYS NU-XBN101-0 Technical Manual

Multiplex binary module
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XBN Switches

N2 Address Switch
End-of-Line Switch
for N2 Bus
Voltage/Contact
Switch
Set the following switches on the XBN. Although the switches may be set
either before or after installing the module, the N2 address switch must be
set before turning power On (to register the physical address switch in
memory). A change in the N2 address switches requires cycling power to
the XBN.
The N2 Address Switch sets the node address of the XBN. The switch
contains eight binary settings, resulting in an address range of 0-255. Set
the switches corresponding to the module's software-defined address.
Two devices within each N2 Network must be designated as End-of-Line
(EOL). For details regarding what constitutes EOL, refer to the N2
Communications Bus Technical Bulletin. Set the XBN module as one
EOL device by sliding its switch up to "In."
The XBN has four contact/voltage blocks containing eight switches. The
switches are numbered 1-32 with each switch defining a corresponding
field input as either a contact input or voltage input (frequency inputs are
characterized by their source as either contact or voltage). Set each switch
according to the type of signal the addressed point should receive. The
switch set to "V" reads voltage; set to "C" reads contact.
xbn4
Figure 6: Location of XBN Switches
EOL Switch
Address Switches
Voltage/Contact Switches
Point Multiplex Modules—Multiplex Binary
11

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