Vaisala PTB210 SERIES Instrukcja Obsługi Strona 30

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3.1.1 Connecting Panel
The Datalogger CR1000 has powerful analog and digital features as well as a lot of
connection options for communication with several peripherals and sensors. That
makes it easy to assemble the weather station with all the instrumentation and ad-
ditional moduls which are necessary to put a completely autonomous system into
practice.
Analog and Switched Voltage
The Temperature/Humidity Sensor KPC 1/6 ME and the Pyranometer CMP3
transmit analog voltage which is measured at the DIFF-Ports of the Datalogger
CR1000. Figure 3.2 shows the common connection scheme.
Figure 3.2: Connecting to SE- and DIFF-Ports
[Manual - CR1000 Measurement & Control System, 1/08]
Lambrechts Wind Speed 14557 transmits analog current. This signal is also mea-
sured at the DIFF-Ports of the Datalogger CR1000 but has to be transformed into
analog voltage by using a high-precision shunt resistor of 100 Ohm. The Tempera-
ture Probe T107 has to be excited by the EX-Port because of switched voltage and
is measured at the SE-Ports.
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