Campbell PS12LA User Manual Download

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PS12LA, PS512M, CH12R, CH512R

POWER SUPPLIES AND CHARGING REGULATORS

INSTRUCTION MANUAL

06/00

COPYRIGHT (c) 2000 CAMPBELL SCIENTIFIC, INC.

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Summary of Contents for PS12LA

Page 1: ...PS12LA PS512M CH12R CH512R POWER SUPPLIES AND CHARGING REGULATORS INSTRUCTION MANUAL 06 00 COPYRIGHT c 2000 CAMPBELL SCIENTIFIC INC ...

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Page 3: ...arranties of merchantability or fitness for a particular purpose CAMPBELL SCIENTIFIC INC is not liable for special indirect incidental or consequential damages Products may not be returned without prior authorization To obtain a Returned Materials Authorization RMA contact CAMPBELL SCIENTIFIC INC phone 435 753 2342 After an applications engineer determines the nature of the problem an RMA number w...

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Page 5: ...ally be connected to a datalogger These peripherals are typically modems linking different communications technologies e g telephone to radio 2 Specifications PS12LA PS512M CH12R CH512R Input Voltage CHG terminals 15 to 28 VDC or 18 VAC RMS Battery Connections Charging Output Voltage Temperature compensated float charge for 12 V Battery Temperature Compensation Range 40 to 60ºC Charging Current Li...

Page 6: ...is possible to leave two batteries connected The battery connections are diode isolated Figure 3 2 however if one of the batteries fail it could draw all the charging current and the other battery will be discharged A battery must be attached for the charger to function correctly as a power supply The leads from the transformer or solar panel are connected to the CHG terminals Polarity does not ma...

Page 7: ... PS512M and CH12R have two 9 pin CS I O ports on them with a null modem between them 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 This cannot be used as a null modem between two RS 232 devices CAUTION T...

Page 8: ...12LA PS512M CH12R CH512R Power Supplies and Charging Regulators 4 1 1 2 7 3 8 4 9 5 5 V GND HS Ring 12 V RX TX ME Ring RX TX ME 2 3 4 5 6 7 8 9 12 V 5 V 1 85 A Thermal Fuse FIGURE 3 Null Modem Connections ...

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