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8. Door access control
The HAA920 can control an electric door lock via a lock control unit (not incl.). It is compatible with
•
the Wiegand type 26, 34 lock controller.
Note: A qualified technician should install and service this device.
The connection scheme is given below:
•
• Connect a normally closed type of door lock (e.g. magnetic lock) between NC and Controller IN =
Com.
• Connect a normally open type of lock (e.g. door strike) between NO and Controller IN = Com.
•
When desired, connect an additional push-button (b, not incl.) between the PUSH and GND terminals
to open the door manually.
When using COM1 (RS232/RS485), connect pin 1 to the PUSH terminal (NO) of the controller and pin
•
6 to GND.
When using COM2 (TCP/IP), connect pin 7 to the PUSH terminal (NO) and pin 4 to GND.
•
Connect the power leads of the controller to a suitable power source (230Vac/50Hz).
•
Risk of electroshock. Touching live wires can cause life-threatening electroshocks.
The lock controller housing heats up during usage. Keep minimum distances around the
apparatus for sufficient ventilation. The ventilation should not be impeded by covering the
ventilation openings. Place the device on a flat heat resistant surface, do not place the
device on carpets, fabrics, ...
19.08.2014 – v. 3
HAA920
COM 1
Pin
Description
1
Controller NO
2
Controller NC
3
RS485A +
4
RS485B -
5
GND
6
Controller IN = Com
7
RS232 Rx
8
RS232 Tx
19
UPS
connection for backup
battery (not incl.)
NC
Normally closed contact
NO
Normally open contact
GND Ground
PUSH pushbutton/NO from
HAA920
a
electric door lock
b
additional pushbutton to
control door (not incl.)
COM2
Pin
Description
1
TCP/IP Tx +
2
TCP/IP Tx -
3
TCP/IP Rx +
4
Controller IN = Com
5
GND
6
TCP/IP Rx -
7
Controller NO
8
Controller NC
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