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A22K
High Security Access Control 2-Door Module
LOCAL BUS RS485 @ 57600Baud supporting star and/or daisy chain topologies up to 4000ft (1220 meters)
ETHERNET 10/100 Base-T, Auto Sensing, 100m(300ft)
AC Power 120-240Vac
Frequency 50Hz/60Hz
Output 24Vdc, 2.5A
AC Terminal Fuse 250Vac, 2.5 A, Time Lag, Slow Blow, Operating Temperature: -55
o
C to +125
o
C
Power Loss Indicator Yes (DC IN)
Do Not Connect to a Receptacle Controlled by a Switch.
Other 24Vac, 75VA 50/60Hz UL/ULC certied transformer can be used.
LK1, LK2 12Vdc @ 750mA
AUX 12Vdc @ 1A
Battery Against reversal, short, current limited/monitored
Battery Backup
Battery Capacity
One 12Vdc 7Ah rechargeable acid/lead or gel cell backup battery (UL/ULC: YUASA #NP7-12
recommended, Europe: CDVI B7AH recommended). Ensure proper polarity.
Charging Current
250mA (default), 500mA, or 1A. Refer to the ATRIUM system manual to modify the battery
charging current.
Low Battery @ 11.8Vdc
Low Battery Restore @ 12.2Vdc
Low Battery Cut-O @ 10.5Vdc
Lock Output LK1
Maximum Current 750mA each
Lock Output LK2
Reader 1
Maximum Current 1000mA
Reader 2
Zone Inputs
LOCAL BUS
Outputs
RLY1, RLY2 Form C Relay, 5A @ 250Vac, 7A @ 125Vac, 7A @ 30Vdc
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