Campbell Scientific ET107 Evapotranspiration Monitoring Station - Manual (Page 78)

ET107 Weather Station
E. Cycle the power to the datalogger by switching the PS100 power supply to
“OFF”, then to “ON” or disconnecting and reconnecting the battery plug.
Keypad should power up and the Campbell Scientific logo and text
appears on the display.
F. Call Campbell Scientific if still no response.
4.2.2 No Response from Datalogger through SC32B, RAD Modem, or
Phone Modem
At the datalogger:
A. Make sure the battery has been installed and the power switch set to “ON”
(Section 2.8, Battery Installation).
B. Use a voltmeter to measure the voltage on the 12V and G terminals (see
FIGURE 2-48); the voltage must be between 9.6 and 16 Vdc.
Use a voltmeter to measure the voltage on the 5V and G terminals (see
FIGURE 2-48); the voltage must be between 4.9 – 5.1 Vdc.
C. Make sure the datalogger is connected to the communication peripheral,
and the communication peripheral properly installed and configured
(Section 2.5, Communication Peripherals).
At the computer:
D. Make sure calling software is properly configured (PC200W,
VisualWeather, or LoggerNet).
E. Check the cable(s) between the serial port and the modem. If cables have
not been purchased through Campbell Scientific, check for the following
configuration using an ohm meter:
25-pin serial port:
computer end modem end
2 2
3 3
7 7
20 20
9-pin serial port:
computer end modem end
2 3
3 2
4 20
5 7
F. Make sure the communication device at the computer is properly
configured and cabled (Section 2.5, Communication Peripherals).
G. Call Campbell Scientific if still no response.
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