Campbell Scientific CR1000KD CR800 and CR850 Measurement and Control Systems - Page 416
Charging Regulator with Solar-Panel Test
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Section 10. Troubleshooting Battery Test If using a rechargeable power supply, disconnect the charging source (i.e., solar panel or AC transformer) from the battery pack. Wait 20 minutes before proceeding with this test. Test Voltage at Charging Regulator Set a voltmeter to read DC voltage as high as 15 Vdc. Measure the voltage between a 12V and G terminal on the charging regulator. No Is the voltage > 11.0 Vdc? Yes Test the Battery Under Load Program the CR800 to measure battery voltage No using a 0.01-second scan rate. Use the voltmeter to measure the voltage between a 12V and G terminal on the charging regulator. Is the voltage > 10.8 Vdc? Yes Is the battery voltage > 12 Vdc? No Yes The battery is good. Is the battery a sealed, rechargeable battery? No Yes Is the voltage ≥ 10.5 Vdc? No Yes Recharge battery.* Replace battery / batteries* Battery voltage is adequate for CR800 operation. However, if the CR800 is to function for a long period, Campbell Scientific recommends replacing, or, if using a sealed, rechargeable battery, recharging the battery so the voltage is > 12 Vdc. *When using a sealed, rechargeable battery that is recharged with primary power provided by solar panel or ac/ac - ac/dc transformer, testing the charging regulator is recommended. See Charging Regulator with Solar Panel Test (p. 416) or Charging Regulator with Transformer Test (p. 418). 10.5.3.2 Charging Regulator with Solar-Panel Test The procedure outlined in this flow chart tests PS100 and CH100 charging regulators that use solar panels as the power source. If a need for repair is indicated after following the procedure, see Warranty and Assistance (p. 3) for information on sending items to Campbell Scientific. 416
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