Device Power Requirements
The lite blue controller is designed to provide power from a power supply to itslef and the 2 onboard readers.
Additional devices may be powered separately using the same power supply (i.e. not routed through the lite
blue). The power supply(s) must be large enough to power the lite blue controller and all peripheral devices.
Make sure that the total power requirements of all devices does not exceed the output of the power supply(s) in
use. If not enough power is being supplied, the devices and the lite blue controller will not work correctly.
The chart below shows the maximum power requirements of lite blue and peripheral devices. See the specific
device chapters for more information.
Example 1: One power supply is going to be used to power 4 Schlage AD-300 locks and 4 VBB-RIs:
AD-300 and VBB-RIs require 300mA each
300mA x 4 = 1200mA (for the AD-300s)
300mA x 4 = 1200mA (for the VBB-RIs)
Total is 1200mA + 1200mA = 2400mA
2400 mA = 2.4A
A single 5 Amp power supply would be used in this situation.
Example 2: One power supply is going to be used to power 6 Schlage AD-300 locks, 2 VBB-RIs and lite blue:
Schlage AD locks require 300mA, VBB-RIs require 300mA, lite blue requires 250mA
300mA x 6 = 1800mA (for the AD 300s)
300mA x 2 = 600mA (for the VBB-RIs)
250mA x 1 = 250mA (for lite blue)
Total is 1800mA + 600mA + 250mA = 2650mA
2650 mA = 2.6A
Again, a single 5 Amp power supply can be used in this situation.
Vanderbilt Recommends Powering the lite blue Controller Separately
to Avoid Device Power Issues Impacting Controller Power.
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