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Hardware Installation
ACX 780/781 Installation Guide 27
Wiring Wiegand Card Reader (Sensor Engineering)
Wire the Sensor Engineering Wiegand card reader to the READER 1
and READER 2 inputs on the lower left side of the ACX 780/781 as
follows:
1. Look at the wire connection on your Wiegand card reader. Notice
that you have five connection points:
• + 5VDC
• DATA1
• DATA0
• LED
• GND
2. Wire the first end of each wire to the appropriate connection point
on the card reader.
Figure 13 shows where to connect the various wires on the card
reader and the ACX 780/781.
Figure 13. Connections Between Card Reader and Controller
3. Slip the other end of the +5VDC wire under the +5 V screw on the
controller and tighten the screw down on it.
4. Slip the other end of the DATA1 wire under the 1/DATA screw on
the controller and tighten the screw down on it.
5. Slip the other end of the DATA0 wire under the 0/CLK screw on the
controller and tighten the screw down on it.
+5VDC
DATA1
DATA0
LED
GND
+5V
LED
1/DATA
0/CLK
GND
Card Reader
ACX 780/781 Controller
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