Rain Bird WS-PRO2, Installation, Operation, Maintenance, And Troubleshooting Manual, Page: 75 / 113

7.2.2 No response from data logger when using a
communications peripheral
At the data logger:
1. Make sure the battery has been installed and the power switch set to ON ( Battery
installation (p. 61)).
2. Use a voltmeter to measure the voltage on the 12V and G terminals ( FIGURE 6-45 (p. 62));
the voltage must be between 9.6 and 16 VDC.
3. Use a voltmeter to measure the voltage on the 5V and G terminals ( FIGURE 6-45 (p. 62));
the voltage must be between 4.9 and 5.1 VDC.
4. Make sure the data logger is connected to the communications peripheral, and the
communications peripheral is properly installed and configured ( Communications
peripherals (p. 35)).
At the computer:
1. Make sure calling software is properly configured ( SmartWeather , Maxicom , IQ , etc.).
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:
9-pin to 25-pin serial cable
Computer end Modem end
2 3
3 2
4 20
5 7
3. Make sure the communications device at the computer is properly configured and cabled
( Communications peripherals (p. 35)).
4. Call Rain Bird GSP if still no response.
Section 7. Maintenance and troubleshooting 71