CKM-CE75-E1M Hardware Information
24-10707-112 Rev. D
2-6
FlexConnect Power
Connections
Faston connectors for the power connection to any accessory
boards. The accessory boards provide pre-terminated power leads.
Connections are as follows:
• DC1 - Provides a constant voltage output for connection to the
accessory boards.
• BR - The DC Common (DC Ground) for the power supply.
• DC2 - Provides an FAI controlled output that operates in
conjunction with the DC2 output terminals. It is typically only
used in single voltage systems with D8 accessory boards.
Battery Connection
(BAT+ and BAT-)
Faston connectors for the backup battery set. See Specifications for
the maximum battery size. If you are not using the battery set,
ensure the BAT DET jumper is OFF to prevent a fault condition.
IMPORTANT: You must determine the proper battery size for the
installation. See Specifications for standby current requirements.
DC2 (D5) – Green Lights when voltage is available on the DC2 output terminals.This
LED extinguishes if the output is disabled via the FAI input.
REV BAT (D20) –
Yell ow
Lights if the backup battery set is connected in the reverse polarity.
When this is true, the battery fuse (F4) may rupture.
DC2 Output (TB1) The DC2 output may optionally be controlled by the FAI input. The
full current of the power supply is available on these terminals. If
you are not using the FAI input, insert the DC2 fuse into the NC fuse
holder to allow the DC2 output to provide continuous power. See
DC2 Output Configuration (F2 and F3) for more information.These
terminals accept AWG12 – AWG18 wire.
IMPORTANT: When powering magnetic loads, such as maglocks,
door strikes, solenoids, and so on, each of these loads must have a
reverse protection diode either built-in or external to the device.
Component Description
CAUTION: Risk of Property Damage.
Battery connections are polarity-specific. Observe
polarity or permanent damage to the connected
devices may occur.
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