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CONFIGURING THE CBV-2U4-3T(-N) FOR BACNET
COMMUNICATIONS
The
CBV-2U4-3T(-N)
MS/TP Address:
BACnet Instance Number
MS/TP Baud Rate
Serial to PC Baud Rate
To communicate to other MS/TP devices on a BACnet MS/TP network, the MS/TP address must be set to a
unique address within the MS/TP subnet. Where possible, there should be no gaps between MS/TP addresses.
The BACnet
Instance Number
devices on the MS/TP subnet. The PC Baud Rate should be left at the default value of 9600 bps.
The controller's BACnet MAC address can be set either electronically (USB or BACnet) or manually using the 8-
way
DIP
switch.
•
Manual setting for ease of replacement: Setting the 7-way
and then cycling the power, will force the controller to update its MAC address to match the
To replace a manually addressed controller in the field simply copy the
you are replacing.
•
Electronic setting for remote configuration: Setting the 7-way
address to be set electronically either locally by
manual setting for initial commissioning, and then cycling the power to force the controller to update its
MAC address to match the
to all zeros. The controller will retain the manually set address until it is electronically overwritten.
The
DIP
switch can be used to set the
•
The address is set in binary, from
•
A switch moved to the left (towards the 'ON' mark) represents
•
The bottom-most switch is the least-significant bit, the switch on the top is the most-significant bit.
0000001
Address 1
Appendix: List of DIP switch settings
For convenience,
*Note: If the
DIP
switch is set to all zeros, the device will retain the address to which it was last set, but that address
can be subsequently overridden by software.
If no address had previously been set (e.g. when the device is received from the factory), then a device that is
powered-on with the
address.
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Subject to change without notice
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is shipped with the following default settings:
17101
38,400 bps
9600 bps
must also be unique for the BACnet site. The MS/TP baud rate must match on all
DIP
settings. To enable subsequent electronic configuration, set the
MS/TP
address when the device is first powered on.
(
1
0000001
1000000
1011000
Address 64
Address 88
DIP
switch set to all zeros will use the last 2 digits of its serial number as its initial
Installation Overview
CBV-2U4-3T(-N) |
01
DIP switch
DIP switch
USB
or remotely over BACnet. It is also possible to use
) to
(
).
127
1111111
, moved to the right represents
1
1111111
Address127
on page 71 shows a diagram for every address.
to an address between 1 and 254,
DIP
settings.
DIP switch
setting of the controller
to all zeros will allow the MAC
DIP switch
.
0
0000000
Software Selectable*
18
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