Reference Drawings:
System Riser Diagram; Power/Signal, V1500 Displays ..............
Drawing A-88427
System Riser Diagram, RS422 ...................................................
Drawing A-92681
A 4-conductor cable with shield is used to connect the temperature sensor to the display. The
cable is terminated in the entrance enclosure on the terminal block labeled “TEMP SENSOR.”
Figure 36:
Temperature Sensor--Connection and Interconnection
TB42
Cable Wires
Temperature Sensor
Pin 7
Green
Temp RX-P
Pin 8
White
Temp RX-N
Pin 9
Red
Temp +5V
Pin 10
Black
Temp GND
Pin 10
Bare
N/A
2V Displays
If the display is 2V, one temperature sensor is used for both sides. An extra piece of the 4-
conductor cable must be used to jumper the temperature sensor data to the second sign. Refer
to
Drawing A-88426
,
Drawing
A-88427
, and
Drawing
A-92681
(located in
Appendix C
)
for connections.
Note:
Do not
connect the red, black, or shield wires in the jumper to the
second sign. Refer to
Figure 36
above.
Sign A
(TB43)
Field Cabling
Sign B
(TB42)
Pin 7
Green
Pin 7
Pin 8
White
Pin 8
NC Black NC
NC Red NC
NC Blue NC
A-2
Appendix A: Optional Temperature Sensor
