
SR50 Sonic Ranging Sensor
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3.3.1 Pulse Training Wiring
FIGURE 3. Pulse Train Wiring
The order in which the connections are made is critical.
Always connect ground first, followed by +12V and then
the remaining SDI-12/Data Bus, Sensor Enable Line and
Shield. In disconnecting the sensor the reverse order
should be followed.
CAUTION
Datalogger
Color
Function Connection
Black Ground Ground (G)
Red +12V +12V
Green Data Bus Pulse Channel
White Sensor Enable Control Port
Clear Shield Ground (G)
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