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CAMPBELL SCIENTIFIC, INC. CAMPBELL SCIENTIFIC, INC. will return such products by surface carrier prepaid. This warranty shall not apply to any CAMPBELL SCIENTIFIC, INC. products which have been subjected to modification, misuse, neglect, accidents of nature, or shipping damage. This warranty is in lieu of all other warranties, expressed or implied, including warranties of merchantability or fitness for a particular purpose.
Power Supplies and Charging Regulators 1. General Description The PS12LA and PS512M are 12 volt power supplies that include the charging regulator and a 7 amp hour battery. The CH12R and CH512R are charging regulators that are used with a Campbell Scientific battery pack such as the BP12 or BP24 or with a user-supplied battery.
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PS12LA, PS512M, CH12R, CH512R Power Supplies and Charging Regulators 3. Wiring An internal or external battery is connected to the charger by means of the INT (Internal) or EXT (External) connectors, as shown in Figure 1. An “external battery” cable comes with the charger that allows connecting another battery to the charger to provide power if the main battery is removed.
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The ports are used to connect two 9-pin devices that would normally be connected to the CS I/O port on a Campbell datalogger. The charger supplies 12 volts and 5 volts to the appropriate pins on the connector for powering the connected devices.
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PS12LA, PS512M, CH12R, CH512R Power Supplies and Charging Regulators +5 V +12 V 1.85 A Thermal Fuse +5 V Ring Ring +12 V FIGURE 3. Null Modem Connections...