ET107 Weather Station
64
2.
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
3.
Make sure the communication device at the computer is properly
configured and cabled (Section
4.
Call Campbell Scientific if still no response.
6.2.3 NAN or
±
INF Displayed in a Variable
1.
Make sure the battery voltage is between 9.6 and 16 Vdc.
2.
Verify sensors are plugged into the correct sensor connector and the
locking ring is securely in place (see FIGURE
).
3.
Check connectors for any corrosion on pins.
4.
If
Short Cut
or
VisualWeather
is used to create the station program,
double-check the wiring diagram to see if it matches the physical wiring
on the sensor connectors on the back of the enclosure.
5.
If CRBasic is used to create the station program, verify channel
assignments and multipliers.
6.2.4 Unreasonable Results Displayed in a Variable
1.
Inspect the sensor for damage and/or contamination.
2.
Make sure the sensor is plugged into the correct sensor connector on the
back of the enclosure.
3.
If
Short Cut
or
VisualWeather
is used to create the station program
double-check the wiring diagram to see if it matches the physical wiring
on the sensor connectors on the back of the enclosure.
4.
If CRBasic is used to create the station program, verify channel
assignments and multipliers. Datalogger program may need to be changed.