Assa Abloy Aperio AH40 - Page 35

Aperio
®
Online Mechanical Installation Guide, Document No: ST-001323-B Date: 21 februari 2014 35
Aperio
®
Online
Connecting to the Wiegand bus
The AH20 communication hub has four Wiegand
signals plus ground. Purpose and connection of
these signals are described in the table below.
A
B
D1
D0
RED
GREEN
GND
8-24V
NCL1
K500
K501
K502
K503
COM1
NOP1
NCL2
COM2
NOP2
NCL3
COM3
NOP3
NCL4
COM4
NOP4
1
2
3
4
5
6
7
8
9
10
ON
S101
J100
J103
S100
Hub connector
designation
Description Connect to…
A NOT APPLICABLE -
B NOT APPLICABLE -
DATA1
Wiegand Data 1 signal. Output from
communication hub. Used to transmit credentials.
Wiegand Data 1 on EAC system.
DATA0
Wiegand Data 0 signal. Output from
communication hub. Used to transmit credentials.
Wiegand Data 0 on EAC system.
RED
Wiegand Red LED signal. Input to communication
hub. Used for access decision.
Wiegand Red LED output on EAC system.
Alternatively, leave unconnected if signal is selected
not to be used by DIP switch 1.
GREEN
Wiegand Green LED signal. Input to
communication hub. Used for access decision.
Wiegand Green LED output on EAC system.
Alternatively, connect to a lock control relay output
on EAC system.
GND Ground EAC system ground.
8-24V Positive voltage EAC power supply.