can maglocks have battery backup

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Attached table provides how long the battery back up will last with a PS914 power supply. Load (Amp DC) Battery backup time Comments 0.3 Amp 20 hours Continuous load ...
Causes for AA battery drain in AD-Series LOCKS Possible Cause Fix/Corrective Action 1)      One the four (or eight) AA was inserted reversed and the rese...
See  Board Differences Battery Backup Circuitry  for a picture of the visual differences between a F-Series biometric handreader with a main board that has the battery backup ci...
Causes for AA battery drain in CO-Series LOCKS - Possible Cause Fix/Corrective Actions  One of the four AA batteries was inserted reversed and the reserved battery drains the other batteries. ...
The battery back up is no longer available for PS873 power supply.
The AD lock  battery pack type can be changed following this procedure:1. Disconnect the existing battery pack2. Depress and hold the SCHLAGE button for a few seconds to drain off any residual...
The Von Duprin PS914-2RS retracts the EL or QEL device approximately 200 times with five second hold time after each pull.
1) General Lock was purchased by Schlage - 1973 2) General Lock moved to Security and turned into the K-lock - 1977 3) K-Lock discontinued - approximately 1984 4) L-lock introduced - approxim...
The PS9 power supply was discontinued.  The new exit alarm ALK can either use a 9VDC battery or 24VDC regulated power supply. There is no direct replacement for Von Duprin PS9 power supply. Cur...
If a magnetic lock is buzzing or noisy it could be the result of an AC component riding on the DC supply voltage. Using a meter, check for AC riding the DC level. If possible test the mag lock wit...
Rattling could be caused by improper mounting of the mounting plate or armature. Make sure all components are properly secured.
The standard Von Duprin PS873 power supply was replaced by the PS914 power supply.
NOTE: The newer PS900 option cards can NOT be used in the PS873 power supplies. The PS873 option cards also can NOT be used in the newer PS900 series power supplies.
Attached tables are power supply cross reference, power supply option board and power supply option board compatibility. PS900-Model PS900-Summary Legacy Supply (PS873) PS902 &...
PS900- Model PS900-Summary Legacy supply (PS873) 900-2RS 2 zone control with sequencing 871-2 board 900-2Q 2 zone control for QEL 2Q board 900-4R 4 relay control, no timin...
Option Board Von Duprin PS914 Schlage PS902, PS904, PS906 900-2RS Yes No 900-2Q Yes Yes 900-4R Yes Yes 900-4RL Yes Yes 900-8F Yes Yes 900-8P Yes Yes 900-B...
Levers may sag due to an incorrectly installed springcage or an incorrect springcage.Mortise locks with a fixed (rigid) lever such as an L9080 will use a spacer on the rigid lever (outside) and a s...
The standard Von Duprin PS873 power supply was replaced by the PS914 power supply.
NOTE: The newer PS900 option cards can NOT be used in the PS873 power supplies. The PS873 option cards also can NOT be used in the newer PS900 series power supplies.
Attached tables are power supply cross reference, power supply option board and power supply option board compatibility. PS900-Model PS900-Summary Legacy Supply (PS873) PS902 &...
PS900- Model PS900-Summary Legacy supply (PS873) 900-2RS 2 zone control with sequencing 871-2 board 900-2Q 2 zone control for QEL 2Q board 900-4R 4 relay control, no timin...
Option Board Von Duprin PS914 Schlage PS902, PS904, PS906 900-2RS Yes No 900-2Q Yes Yes 900-4R Yes Yes 900-4RL Yes Yes 900-8F Yes Yes 900-8P Yes Yes 900-B...
Battery backup can be added to the PS900 series power supplies. Order the 900-BBK to get the battery backup board and batteries for field installation.
Yes, the 900-BBK is a kit that contains the battery backup circuit board and (2) 12V 7 amp/hour batteries which will provide battery back up to the unit when AC fails and will also charge the batte...
Some transformers in the power supplies provide a little humming noise and that is normal. If the humming in Von Duprin PS873 power supply is loud follow these steps. Remove the load from the outp...
Information on low battery threshold and nuisance delay is noted below: New firmware now has improved levels. - These are approximate values/levels which change with measurement meters and measure...
AD400/AD200/AD250 After ADFwPkg 2.17.0 - June 2011 4 Battery Holder New batteries = 6.2 VDC Low battery threshold is 4.7 VDC for SM & MT - and 3.7 VDC for MAG and PROX (USB stops working at 4...
    AD400/AD200/AD250 After ADFwPkg 2.17.0 - June 2011 8 Battery Holder New batteries = 12.4 VDC Low battery threshold is 7.2 VDC Critical battery threshold is 6.9 VDC Coin cell = new/...
CO2004 Battery Holder (ONLY) New batteries = 6.2 VDC Low battery threshold is 4.2 VDC Critical battery threshold is 3.9 VDC Coin cell = new/full is 3.0 VDC, low is 2.8 VDC
CO2504 Battery Holder (ONLY) New batteries = 6.2 VDC Low battery threshold is 4.2 VDC Critical battery threshold is 3.9 VDC Coin cell = new/full is 3.0 VDC, low is 2.8 VDC
  CO200 & CO250 Disable coin cell Nuisance delay and blink, With CO.A.7 and SUS 4.10.2 or newer for CO200 and CO250, you can use the SUS/HHD, under Lock Properties, Edit, to de-select, DISABLE, t...
The battery for the PS873 and PS914 are the same, 7AH sealed Lead Acid  battery.
This is a discontinued product no longer support.  This product rights were purchased by Westinghouse, (800)-227-1667.
Attached are the MSDS (material safety data sheet) of the three different manufacturers of batteries for the 900-BB battery backup.   MSDS for 900-BB
All Keypad ONLY credentials with firmware versions between 2.9.2 and 2.11.0 should be updated to the latest firmware available at www.schlage,com/support.
A firmware issue with Keypad ONLY credential firmware, versions 2.9.2 through 2.11.0 and manufactured between 9-9-2010 and 1-5-2011 will exhibit poor battery life.
The Keypad ONLY credential Reader (KP) can prevent the reader from entering its low power sleep mode - with firmware versions 2.9.2 through 2.11.0
A Technical Note has been generated to document one method of measuring battery current. See the attachment HERE.