Network Communication Configurations
BMTW-SVN01F-EN 149
Connecting Dedicated and Shared Networks
Dedicated BACnet networks and shared IP networks can be connected to
one another by BACnet/IP routers (see Figure 68).
Figure 68. Tracer Summit Mixed Network
BACnet—Device IDs
Each device (BCU, PC Workstation, non-Trane BACnet device) must
have a device ID. For the BCU (BMTS), the device ID is set via DIP
switch (S2) on the BCU logic board. The valid range for a DIP switch is 1
through 255. For the modular BCU (BMTW), the device ID can be set via
DIP switch (S2) on the BCU logic board or by software (using the IP Vali-
dation utility). The valid range for a DIP switch is 1 through 254. A DIP
switch set to 255 tells the BCU (BMTW) to allow a software set (“softset”)
device ID instead. The valid range of a softset device address is 1 through
4194303.
Shared Network
Dedicated Network
BACnet/IP
Router
TRACER SUMMIT
ALM PWR
BCU (BMTW)
Tracer Summit
PC Workstation
BCU (BMTW)
with Operator
Display
Ethernet IP
TRACER SUMMIT
ALM PWR
Additional
BCUs (BMTW)
To other
IP network
devices
Additional
Tracer Summit
PC Workstations
TRACER SUMMIT
ALM PWR
TRACER SUMMIT
ALM PWR
BCU (BMTW)
Tracer Summit
PC Workstation
BCU (BMTS)
Ethernet or ARCNET
TRACER SUMMIT
ALM PWR
Additional BCUs
(BMTW or BMTS)
Additional
Tracer Summit
PC Workstations
TRACER SUMMIT
ALM PWR
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