Campbell TB4, Product Manual

Page: 15 / 49

TB4, TB4MM, CS700, and CS700H Tipping Bucket Rain Gages
8
FIGURE 7-1. CS700H with Cables
The sensor cable connects to the data logger (TABLE 7-2 ). The power cable
connects to the power supply (TABLE 7-3 ). FIGURE 7-2 shows the terminals
for connecting the power cable to the Phoenix Contact Power Supply.
TABLE 7-2. CS700H Sensor Cable Wire Color, Wire Function,
and Data Logger Connection
Wire
Color
Wire
Function
Data Logger
Connections Using a
Pulse Terminal
Data Logger
Connections Using a
Control Terminal
Green SDI-12
Odd-numbered C or U 1
configured for SDI-12
Odd-numbered C or U 1
configured for SDI-12
Red SDI-12 Power 12V 12V
Blue
SDI-12 Power
Ground
G G
Black Rain Signal
P or U 1
(Pulse Terminal)
C 2
(Control Terminal)
White
Rain Signal
Reference
⏚
(Analog Ground
)
5 V
Clear Shield
⏚
(Analog Ground )
⏚
(Analog Ground )
1 U and C terminals are automatically configured by the measurement instruction.
2 When using a CR6 or CR1000X, a conflict occurs if the pulse measurement uses an
even C terminal that immediately follows the SDI-12 terminal. For example, if C1 is
used for the SDI-12 terminal, do not use C2 for the pulse terminal.
TABLE 7-3. CS700H Power Cable Wire Color,
Wire Function, and Power Supply Connection
Wire Color Description Power Supply
Red +24 VDC +
Black Ground –
Sensor Cable
Power Cable