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PS100 and CH100 Power Supply and Charging Regulators 

INT

EXT

BATT

CHG

OFF

ON

CHG

CHG

+12

+12

Charging

Regulator

IN

OUT

3 A

Thermal

Fuse

 

These look 
identical 
when 
unplugged

FIGURE 2.  Simplified Charging Circuit Schematic 

4.  A100 Null Modem Adapter 

The A100 has two 9-pin CS I/O ports 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 

Summary of Contents for CH100

Page 1: ...and CH100 Power Supply and Charging Regulators A100 Null Modem Adapter and A105 Additional 12 V Terminals Adapter Revision 4 09 C o p y r i g h t 2 0 0 0 2 0 0 9 C a m p b e l l S c i e n t i f i c I...

Page 2: ...US and International customers residing in countries served by Campbell Scientific Inc directly Affiliate companies handle repairs for customers within their territories Please visit www campbellsci...

Page 3: ...Use the Adobe Acrobat bookmarks tab for links to specific sections 1 General Description 1 2 Specifications 1 3 Wiring 2 4 A100 Null Modem Adapter 4 5 A105 12V Terminal Expansion Adapter 5 Figures 1 W...

Page 4: ......

Page 5: ...tific peripherals that would normally be connected to a datalogger These peripherals are typically modems linking different communications technologies e g telephone to radio The A105 Additional 12 V...

Page 6: ...RMS Protection automatic reset 85 C thermal reset breaker UL Approval UL 1950 AC Transformer CSI Model No 14014 Input Voltage 90 264 VAC 47 63 Hz Output Voltage 18 VDC Output Current max 1 3 Amps UL A...

Page 7: ...harged A battery must be attached for the charger to function correctly as a power supply CAUTION The leads from the transformer or solar panel are connected to the CHG terminals Polarity does not mat...

Page 8: ...tic 4 A100 Null Modem Adapter The A100 has two 9 pin CS I O ports 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...

Page 9: ...12 V 5 V 1 85 A Thermal Fuse FIGURE 3 Null Modem Connections 5 A105 12V Terminal Expansion Adapter The A105 adapter adds four 12 V terminals and four ground terminals to a CH100 or PS100 see Figure 4...

Page 10: ...PS100 and CH100 Power Supply and Charging Regulators 6...

Page 11: ......

Page 12: ...a Corp CSC 11564 149th Street NW Edmonton Alberta T5M 1W7 CANADA www campbellsci ca dataloggers campbellsci ca Campbell Scientific Centro Caribe S A CSCC 300 N Cementerio Edificio Breller Santo Doming...

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