Lind Electronics PowerCenter 500 Operation Manual Download Page 2 | Manualshive

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Thank you for purchasing the Lind PowerCenter 500 battery service
system. PowerBook Intelligent Batteries represent a technical break-
through in portable power management. Products that support this
battery system require a similarly high level of technical effort.

In the development of the PowerCenter and it's companion software,
we created the most full featured battery service product on the market.
Functions include error analysis and correction as well as charging,
conditioning and calibration. In the course of this development, we
found it necessary to analyze in detail all Intelligent Battery operations.

Most of the results of our battery analysis are contained in the
PowerCenter manual. We did not intend to write such an extensive
manual but a good understanding of the Intelligent Battery is essential
to understanding the operation of the PowerCenter and the Intelligent
Battery Utilities System (IBUS™) software.

We welcome your comments about our products. Please take time to
write or call us with your suggestions. Your satisfaction is our goal.

LeRoy Lind

The PowerCenter has been tested and verified to comply with FCC Part 15
Class B requirements.

PowerCenter is a trademark of Lind Electronics, Inc. Apple and Macintosh
PowerBook are registered trademarks. All other product names and trademarks
are properties of their respective owners.

Phone (612)927-6303

Fax (612)927-7740

URL: www.lindelectronics.com

E-Mail [email protected]

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Summary of Contents for PowerCenter 500

Page 1: ...Page 1 The Lind PowerCenter 500 Operation Manual Model LPC 500 for Apple Macintosh PowerBook 500 Series 1995 Lind Electronics Inc Rev 4 ...

Page 2: ... the results of our battery analysis are contained in the PowerCenter manual We did not intend to write such an extensive manual but a good understanding of the Intelligent Battery is essential to understanding the operation of the PowerCenter and the Intelligent Battery Utilities System IBUS software We welcome your comments about our products Please take time to write or call us with your sugges...

Page 3: ...ing in the PowerCenter 12 CONDITION AND CALIBRATION PROCEDURE 13 Set Up 13 Calibration Procedure 14 Diagnostic Tests 16 Test Chart 16 ERROR CODES 17 OVER DISCHARGED BATTERY RECOVERY 18 Description Of Recovery 18 OD Recovery Operation 18 Shorted Cell Tests 19 LIMITED WARRANTY 20 APPENDIX I HOW THE INTELLIGENT BATTERY WORKS 21 Charging and Discharging 22 APPENDIX II BATTERY CALIBRATION 23 What is ca...

Page 4: ...used in the PowerBook 500 series of laptop computers General Operation Up to two 500 series Intelligent Batteries snap firmly into the PowerCenter The locking mechanism of the batteries holds them in place for charging and transport Batteries may be carried in the PowerCenter with negligible loss of battery power Batteries may be stored in the PowerCenter with power applied for charge maintenance ...

Page 5: ...ernal batteries when external power is depleted Condition and Calibration 1 Apply power to the PowerCenter 2 Connect the cable from the PowerCenter to the PowerBook 3 Turn the PowerBook ON and lock it into Better Performance mode see control panel page 12 4 Insert one or two Intelligent Batteries into the PowerCenter 5 Momentarily press the Mode Switch The PowerCenter displays C1 C2 and C3 as it c...

Page 6: ...w the user to correct data that is out of the normal range Batteries that do not perform properly in the PowerBook or the PowerCenter should be examined with this program to determine if stored data corrections are necessary Power Sources Power to operate the PowerCenter is obtained from an Apple AC adapter or Lind DC Adapter 500 12 volt Automobile Power Adapter Model PB 5 A power cable supplied w...

Page 7: ... ON when PowerCenter batteries are discharging in Auxiliary power or calibration modes Flashes when Over Discharge Recovery mode is active Terminal error codes are displayed c Display Displays the charge remaining in the battery in Charge and Run modes Displays test mode codes Displays battery failure error codes d Mode Switch The Mode Switch is used to initiate calibration and enter Auxiliary Pow...

Page 8: ...Page 8 Apple AC Adapter Lind PB 5 12V Adapter 500 Series PowerBook PowerCenter Connection or Battery 2 Battery 1 TM Output Input Inputs and Outputs Mode Switch Power Cable supplied with the PowerCenter ...

Page 9: ...erted The Charge LED comes ON to indicate the battery is charging The battery charges at the same rate as in the PowerBook A fully discharged battery charges in 1 5 to 2 hours The charge in the battery indicated on the LCD display will increase as charging progresses At full charge the Charge LED turns OFF and the LCD display will read 100 see Note 1 The PowerCenter automatically begins charging t...

Page 10: ...wo Intelligent Batteries into the PowerCenter A single battery may be placed in either side of the PowerCenter Press the Mode Switch on the PowerCenter until a RUN LED comes ON The PowerCenter will now supply power to the PowerBook The charge remaining in each battery is displayed continuously on the LCD screens of the PowerCenter The PowerCenter automatically switches to the second battery when t...

Page 11: ...rBook uses a single battery it runs until the battery is discharged to 8 5 volts At this point the PowerBook shuts itself OFF This method of conditioning may reduce the chances of acquiring a serious loss of capacity if it is performed several times a month The 8 5 volt level however is 0 5 volts higher than the recommended conditioning voltage In some cases the memory effect loss may not be fully...

Page 12: ... environmental and operational events or conditions may prevent completion of the calibration sequence The PowerBook does not notify the user when calibration has or has not been accomplished Calibration and Conditioning in the PowerCenter A battery is subjected to a 7 8 volt conditioning discharge level each time it is calibrated in the PowerCenter Batteries should be calibrated and conditioned a...

Page 13: ...7 hours Connect a proper power adapter to the PowerCenter Connect the power cable from the PowerCenter to the PowerBook The PowerBook may be used during this operation Note that the PowerBook should have an internal battery installed to assure continuous power if a cable is inadvertently disconnected Turn the PowerBook ON and lock it into a mode that does not allow it to go to sleep See the illust...

Page 14: ...y is discharging The LCD alternately displays C2 and the percent of charge in the battery The C2 display indicates the system is operating in the second of 3 phases of the calibration procedure The battery is discharged to a known zero capacity level of 7 8 volts At this level the battery has also been conditioned to correct or prevent loss of capacity due to Memory Effect The battery automaticall...

Page 15: ...or batteries that have not already completed the sequence The PowerCenter will default into charging mode and the batteries will be charged when power is restored NOTE 3 An internal battery must be installed in the PowerBook when batteries are being calibrated in the PowerCenter This battery is only needed to keep the PowerBook ON when the discharge transfers between batteries are made by the Powe...

Page 16: ...l range See the BU 500 manual for further details NOTES 1 Proceed with charging or use 2 If no communication proceed with reset or recovery tests 3 If successful communication is established and tests continue 4 Normal charging will proceed 5 A high battery temperature will prevent or stop charging 6 Charging will be terminated with this test failure 7 A PowerBook must be connected to the PowerCen...

Page 17: ...rging condition that required the unit to stop charging The error is sensed by the battery s circuitry and is reported by the charger E3 Charge time too long Batteries should charge within a fixed amount of time This error code is displayed if the maximum charge time is exceeded E4 Maximum Voltage During normal charging battery voltage should not exceed a maximum level This error code is displayed...

Page 18: ...y power to the PowerCenter from one of the recommended power sources Insert an Intelligent Battery into the PowerCenter If there is no communication between the battery and the PowerCenter and no communication occurs after application of a processor reset signal The Over Discharge test and recovery sequence begins The LCD displays Od to show that the Over Discharge recovery procedure is in progres...

Page 19: ...ry If a low battery voltage is detected The LCD display shows Sc to indicate the test is in progress Charge current is applied to the battery The battery voltage is allowed to stabilize Battery voltage is measured and compared to the minimum for a battery with no shorted cells These tests may continue for as long as 12 minutes If the battery voltage increases and stays above the minimum level the ...

Page 20: ...t apply if the product has been altered or sub jected to abuse accident or misuse This warranty excludes incidental or consequential damage resulting from the product or the use of the product This warranty is in lieu of all other warranties expressed or implied and no person is authorized to assume for LIND any other liability in conjunction with this product The warranty gives you the purchaser ...

Page 21: ...on Calibration is necessary to keep up with changes in battery capacity which may occur with age and use A properly calibrated battery operates to it s full capacity An improperly calibrated battery may cut off too soon or the capacity displays on the computer screen may be inaccurate The primary method by which the Intelligent Battery keeps track of the charge in the battery is by measuring the c...

Page 22: ...d charge removed approaches the 100 capacity number the PowerBook stops using power from that battery This typically occurs at 4 or 5 of indicated capacity If the calibration is not correct this can happen with charge left in the battery All the while on another data collection channel the battery is measur ing and keeping track of how much charge is really being used If one battery is used in the...

Page 23: ...user information displays appearing on the screen of the PowerBook and the LCD displays of the PowerCenter A second reason is to match the cali brated and actual capacity of the battery to allow it to supply power to the proper discharge level when used in the PowerBook How do I know calibration is necessary Calibration may be necessary if you observe the PowerBook battery charge or time remaining...

Page 24: ...r at least knows of it Memory Effect losses do not occur in Sealed Lead Acid batteries The PowerBook 500 series Intelligent Battery contains Nickel Metal Hydride cells NiMH batteries were originally thought to have no memory effect problems under any conditions Field experience has proven that NiMH batteries do have the problem but perhaps not as often as NiCd batteries External Battery Conditioni...

Page 25: ...ttery uses a small amount of power as it periodically updates the memory This power is used at all times even in storage It can not be turned OFF C Computer Standby Power The PowerBook drains a small amount of power from the internal batteries when it is in the sleep and OFF modes Removing the battery from the computer when it is not in use will eliminate this power loss D Other Power Use The Powe...

Page 26: ...80 Power Consumption Due to the charge loss factors listed it is recommended that 500 series Intelligent Batteries be recharged about every two weeks to assure that partially charged batteries do not discharge below the microprocessor operating level The PowerCenter will perform the Over Discharge Recovery operation when necessary but frequent over discharge may shorten the service life of a batte...

Page 27: ...Lind Electronics Inc 6414 Cambridge Street Minneapolis MN 55426 612 927 6303 Phone 612 927 7740 Fax ...

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