6
8 Wiegand Connection
9
RS485
Connection
485+
485-
485 Reader
GND
IWD0
IWD1
485A
485B
12V-OUT
GND
WD0-OUT
WD1-OUT
Wiegand Reader
GND
+
12V
WD1
WD0
Access
Controller
WD1
WD0
GND
GND
IWD0
IWD1
485A
485B
12V-OUT
GND
WD0-OUT
WD1-OUT
GND
+
12V
Wiegand card reader connects to the top 4 pins of the wiegand terminal and the last two pins are
used by the Access Controller, as shown in the following figure. It sends the credentials to the
device via wiegand communication.
The RS485 lets user connect to multiple readers to the device. RS485 can be connected to the
terminal, as shown in the figure below.
