4 wiring table, Wiring table, 2. optional – Campbell Scientific WXT520 Weather Transmitter User Manual
Page 11: Bird spike device, 1. connections to campbell scientific dataloggers

WXT520 Weather Transmitter
FIGURE 6-2. Optional bird spike device
6.4 Wiring Table
TABLE 6-1. Connections to Campbell Scientific Dataloggers
Color
Description
CR1000, CR800,
CR850, CR3000,
CR5000,
CR9000(X)
CR10(X),
CR510
21X, CR23X,
CR7
CR200(X)
Brown
Power
12 V
12 V
+12
SW Battery
Clear
(silver)
or Red
Power
ground
G
G G G
Blue
SDI-12
Signal
C1
C2 C2 C1
White
SDI-12
Signal
C1
C2 C2 C1
Green
data ground
G
G G G
Yellow Optional
heater
power (see note)
12V 12V
+12
SW
Battery
Pink Optional
heater
ground (see note)
G
G G G
Grey
Not used
Not used
Not used
Not used
Unless special ordered, the heater will not be operational for
WXT520s purchased from Campbell Scientific. Although the
heater is not operational, the WXT520 will have a pink and
yellow wire. Do not connect the pink and yellow wire unless the
heater is operational.
NOTE
5