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BAS-SVX065E-EN
Table 8. BACnet device ID calculations
Tracer SC Rotary Switch Value (21)
0
2
1
Tracer SC BACnet MS/TP Link Number (1)
1
Unit Controller MAC Address (38)
0
3
8
BACnet Device ID: 211038
0
2
1
1
0
3
8
BACnet MS/TP Link Wiring
The wire must be low-capacitance, 18-gauge, stranded, tinned-copper, shielded, twisted-pair.
The illustration below shows an example of BACnet link wiring with multiple UC400 Controller
controllers.
Figure 14.
BACnet MS/TP link wiring for UC400 and UC400-B
BI
LINK
IMC
+
VDC
AI
AI
AI
AI
AI
P
P
TX
RX
LINK
IM
SERVI
SERVICE TOOL
IM
BI
LINK
IMC
+
VDC
AI
AI
AI
AI
AI
P
P
TX
RX
LINK
IM
SERVI
SERVICE TOOL
IM
BI
LINK
IMC
+
VDC
AI
AI
AI
AI
AI
P
P
TX
RX
LINK
IM
SERVI
SERVICE TOOL
IM
+
+
BI
LINK
IMC
+
VDC
AI
AI
AI
AI
AI
P
P
TX
RX
LINK
IM
SERVI
SERVICE TOOL
IM
+
BI
LINK
IMC
+
VDC
AI
AI
AI
AI
AI
P
P
TX
RX
LINK
IM
SERVI
SERVICE TOOL
IM
+
UC400
UC400
UC400
Zone
Sensor
Zone
Sensor
Zone
Sensor
Zone Sensor
Communications
Jack Wiring
Tracer SC
Trane BACnet Terminator
+
+
24
VDC
G
N
D
Comm
+
Comm
-
BACnet
+
-
+
-
IMC
+
-
Gnd
24VDC
1
2
3
4
1
2
3
4
1
2 3
4
1
2 3
4
24VDC
G
N
D
Comm
+
Comm
-
BACnet
+
-
+
-
IMC
+
-
Gnd
24VDC
1
2
3
4
1
2
3
4
1
2 3
4
1
2 3
4
24
VDC
GND
C
o
mm
+
Comm
-
BACnet
+
-
+
-
IMC
+
-
Gnd
24VDC
1
2
3
4
1
2
3
4
1
2 3
4
1
2 3
4
Tracer SC
UC400-B
Zone Sensor
Trane
BACnet
Terminator
Zone Sensor
Zone Sensor
UC400-B
UC400-B