MY CARTHome > Products > Morningstar > Morningstar ProStar PS-15M-48V
; "Morningstar ProStar PS-15M-48V")
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Morningstar ProStar PS-15M-48V, PWM Charge Controller
Includes Digital Meter
Rated Solar Current: 15 Amps
Rated Load Current: 15 Amps
System Voltage: 48 Volt
Warranty: Five years
PS-15M-48V Detailed Description:
Morningstar's ProStar is the world's leading mid-range solar controller for both professional and consumer applications. This second generation ProStar:
Morningstar PS-15M-48V Key Features:
Morningstar PS-15M-48V Electronic Protections:
Please note that one is not able to control the frequency of battery equalization. Furthermore, the Prostar only equalizes up to 15.1 volts and most flooded lead acid batteries list 15.5 volts.
Morningstar PS-15M-48V Reliability
Expected failure rate will be less than 1 per 1,000 units over 5 years.
* Improved protections and added many new protections (see list below)
* Power MOSFET voltage rating increased 25%
* Eliminated all trim-pots and other troublesome parts
* Reduced the digital meter components from 75 to 16
* Increased the current-carrying copper traces by 75%
* Increased temperature rating of many parts
* Made conformal coating protection standard
Battery Charging
Expanded the battery charging options and capabilities.
* Added a third battery type selection (gel, sealed, flooded)
* Added a "float" stage to the battery charging algorithm
* Expanded the to account for depth of discharge history
* Added a remote temperature probe option
* Improved the accuracy of all charging parameters
* Moved the built-in temperature sensor to read ambient conditions more accurately
Installation & Operation
The new Morningstar ProStar is easier and safer to install and use, with more operating information provided to the user.
* Self-diagnostic test provides assurance the controller is working correctly, or indicates a fault that is present
* Rotary switch provides simple and positive selection of battery type (and LED's confirm the selection)
* Terminals are longer with more screw threads, screwdriver holes in the case are larger, and plastic tabs isolate the terminals
* The push button disconnects the load first (for weekend cabins, boats, etc.), then disconnects the solar if held down for 2 seconds (indicated in the meter)
* Five protection functions are displayed in the digital meter
* Meter indicates "OFF" if solar or load is disconnected
* PWM is indicated in the green battery status LED (blinking)
* A telecom jumper eliminates PWM noise if present
* Mounting standoffs prevent stress cracks in the case
Protections
Protection against abuse and faults is now comprehensive.
* Added solar short circuit and overload protection / auto recovery
* Added load overload protection / auto recovery
* Improved load short circuit protection / auto recovery
* Improved protection of the load from voltage spikes
* Improved low battery voltage and brownout protection / auto recovery
* Other existing protections have been improved
Accuracy
Precision design for improved performance and accurate meter display.
* Added 0.1% resistors and other precision components
* Upgraded to a more powerful, faster micro controller with better resolution
* Extensive digital filtering for improved accuracy
* Added 2 precision shunts for very accurate current measurement
* Calibration of the micro controller during final QA testing in production
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