This product is no longer available and has been replaced by: PS150. Some accessories, replacement parts, or services may still be available.
| Services Available | |
|---|---|
| Repair | Yes |
| Calibration | No |
| Free Support | Yes |
Overview
The PS100 provides a 12-Vdc, 7-Ah rechargeable power supply for the CR500, CR510, CR800, CR850, CR10, CR10X, and CR1000 dataloggers and peripherals. The rechargeable battery can be trickle-charged from ac power (requires optional wall charger) or from an external solar panel. The user can add an external rechargeable battery.
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Detailed Description
The PS100 can also be used as a separate auxiliary 12-V power supply to power remotely located sensors or peripherals, such as a multiplexer located at a distance from the datalogger enclosure. However, to avoid errors in analog measurements and ground loops, the power supplies must share a common ground.
Specifications
| input Voltage (CHG Terminals) | 15 to 28 Vdc or 18 Vac RMS |
| Charging Output Voltage | Temperature compensated float charge (for 12 V battery) |
| Charging Current Limit | 1.2 A (typical) |
| Power Out (+12 Terminals) Voltage | Unregulated 12 V (from battery) |
| Nominal Rating | 7 Ah |
| Dimensions | 10.5 x 19.3 x 7.1 cm (4.1 x 7.6 x 2.8 in.) including mounts and connectors |
| Weight | 3.1 kg (6.9 lb) |
| Battery Weight | 2.7 kg (5.9 lb) |
Quiescent Current |
|
| Charge Source Present | 3 to 5 mA |
| No Charge Source Present | 0 mA |
Compatibility
Please note: The following shows notable compatibility information. It is not a comprehensive list of all compatible products.
Dataloggers
| Product | Compatible | Note |
|---|---|---|
| 21X (retired) | ||
| CR10 (retired) | ||
| CR1000 (retired) | ||
| CR10X (retired) | ||
| CR200X (retired) | ||
| CR211X (retired) | ||
| CR216X (retired) | ||
| CR23X (retired) | Typically, a CR23X, CR3000, or CR5000 datalogger uses its integrated rechargeable base instead of the PS100. However, the PS100 can be used if the data logger has a low-profile base or if the battery base has been disconnected. | |
| CR3000 (retired) | Typically, a CR23X, CR3000, or CR5000 datalogger uses its integrated rechargeable base instead of the PS100. However, the PS100 can be used if the data logger has a low-profile base or if the battery base has been disconnected. | |
| CR500 (retired) | ||
| CR5000 (retired) | Typically, a CR23X, CR3000, or CR5000 datalogger uses its integrated rechargeable base instead of the PS100. However, the PS100 can be used if the data logger has a low-profile base or if the battery base has been disconnected. | |
| CR510 (retired) | ||
| CR6 | ||
| CR800 (retired) | ||
| CR850 (retired) | ||
| CR9000 (retired) | ||
| CR9000X (retired) |
Additional Compatibility Information
Enclosure Considerations
A desiccated, non-condensing environment is required. The PS100 includes built-in keyhole flanges for mounting to the backplate of a Campbell Scientific enclosure.
Adapters
The PS100 is compatible with the A100 null-modem adapter and the A105 adapter for additional 12 V output terminals. The A100 Null Modem Adapter connects and powers two Campbell Scientific peripherals via two CS I/O 9-pin connectors configured as a null modem. This is useful in linking different communications technologies, such as telephone to radio, at sites that do not have a data logger. The A105 adapter may be used to provide additional 12 V and ground terminals where the power supply is used to power several devices.
Charging Source
The PS100 charges with a 24 V input. However, when the battery is discharged or the system is pulling high current (about 700 mA), the regulator overheats. This, in turn, limits the charging time because the regulator is heating up until it gets so hot that it shuts down. At this point, the regulator stops charging the battery until the regulator cools down and starts charging again. This cycle repeats until the battery is charged enough so that the regulator no longer overheats. For a system with a constant current drain of 0.7 A or higher, the PS100 is not able to keep the battery charged unless the input voltage is between 16 and 20 V. If the input voltage is between 16 and 20 V, the regulator outputs continuously up to a 1.2 A load.
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Frequently Asked Questions
Number of FAQs related to PS100: 21
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The voltage from a solar panel will fluctuate throughout the day.
If AC power is being used, the voltage is usually stable.
The voltages coming into the regulator inputs are controlled so that the battery won’t be overcharged (and thus ruined by boiling out the electrolyte). If the battery connected to the regulator is good, the highest voltage you will likely see is just above 14 Vdc in the extreme cold, but normally it should be around 13.2 Vdc.
If you have a nearly dead battery (to be checked with a voltmeter) or a battery with shorted cells, you will see a very low battery voltage. The lowest voltage you will see on the data logger data is usually about 10.0 V because the data logger will shut down near that level and then wait for the voltage to increase to an 11- or 12-volt level.
The ripple voltage is a few millivolts flowing into the battery, but the battery should filter out most of that noise, providing a pretty stable voltage.
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The PS100, PS150, and PS200 models take in AC or DC power from a wall transformer or a solar panel. The internal regulator controls the charge to the battery to make sure the battery doesn’t become overcharged (based on temperature).
If the switch is on, the voltage from the battery will flow back out from the regulated battery to the loads; however, the voltage on that battery may be 11.9 V, 13.2 V, or some other value that the battery happens to be at. It is important to understand that the voltage will not always be exactly 12.0 Vdc. Rather, the voltage will float up or down as the battery is recharged or depleted.
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Yes. The G and 12V terminals on the charge regulator are used to connect the black and red wires that connect with the green connector, which provides power to the data logger.
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Yes. The 7 Ah battery can be purchased locally to save on shipping costs. Purchase pn 17057, PS100 Power Supply with No Battery.
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Yes. On the order, specify pn 6182.
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Yes. A deep-cycle RV or marine battery can be used. To make it work correctly, however, it may be necessary to purchase the 6186, External Battery Cable for Rechargeable Power Supplies.
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Look for a stamp on top of the battery. The stamp may be in a date format of YYMMDDXX where:
- YY is the year.
- MM is the month.
- DD is the day.
- XX is the manufacturing plant.
This indicates the age of the battery.
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The PS100 (and CH100) are limited to 1.2 A of input. Because the SP20 20 W solar panel generates 1.17 A, that single panel represents a practical limitation to the input. For panels that generate current greater than 1.2 A, consider the PS200, Smart Power Supply and Charge Controller, or CH200, Smart 12 V Charging Regulator, for up to 3 A of input, or 10 A, 12 V, Morningstar Regulator, which is capable of accepting 10 A of input.
Generally, it is not recommended to connect more than one panel at a time. Differential shading can cause issues, such as the shaded panel acting as a current sink.
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Not directly. However, a DCDC18R Boost Regulator can be used to boost the voltage of the 12 V, 100 Ah battery up to the required 18 V.
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Connecting a 55 W solar panel to a PS100 will not damage the PS100. However, the current passing from the solar panel to the battery is limited to a maximum of approximately 1.2 A. Therefore, the full benefit of the 55 W solar panel is not realized. A better option may be to use a 55 W solar panel with a PS200 or CH200.
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