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back up battery
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Answer
BATTERY BACK-UP
Resolution:
BB , BBK:
Can Battery Backup (BB) be added to a PS900 series power supply in the field?
Resolution:
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.:
How long will the battery back up work for on the PS914-900BBK?
Resolution:
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 ...:
Are there MSDS sheets for the batteries in the 900-BB?
Resolution:
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:
Why is the Von Duprin PS873 power supply buzzing or chattering?
Resolution:
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...:
What are the visual differences on a F-Series handreader main boards that have battery backup and main boards that do not have battery backup?
Resolution:
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...: