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CAN Communications: A highly reliable two wire communication protocol originally developed for the automotive
industry.
Entry Point: A door or gate allowing access into a secure or controlled area.
Forced Door Condition: The door sensor input shows that the door has opened, without the ES-3 allowing for access.
Door is Ajar Condition: The door sensor input shows that the door remained open longer than a programmed amount of
time.
26 bit Wiegand Format: The industry standard data output protocol of access control card readers.
i.e. Proximity
A basic door access controlled entry point is wired as shown above. The ES-3 may share power with the attached door
strike or magnetic lock if the Voltage is between 12-24 Volts and an additional 300 mA of current is available.
Relays can be set as either Normally Open (NO), or Normally Closed (NC) using the shunt located directly behind the
relay screw terminals.
The Wiegand device (typically a proximity card reader) is fully supported (power and data) from the ES-3 and can be
installed up to 500 feet away using 24 gauge wire.
The ES-3 communicates with the AES-2000 through the AES-NET board via a two wire CAN Communication Bus.
CAN bus distances of up to 1/2 a mile (over 2600 feet) are achieved using common 24 gauge CAT-2 through CAT-5
wire, and 1 mile (5280 feet) is possible by doubling up on the 24 gauge twisted pair. In addition, up to 32 ES-3 entry
system door controllers may share the same CAN communication pair.
A. Basic Connections
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