VRD-485 RFID READER WITH RS-485 INTERFACE
Revision number: 1.01
Review date: 1 December, 2021
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CONNECTION
Reader is equipped with 4-wire colored cable for connection. Pinout of the cable:
WIRE COLOR
DESCRIPTION
Red
+12 V DC power supply
Black
Ground of power supply
Yellow
RS-485 interface line A
Blue
RS-485 interface line B
Mounting of reader
1.
Define a place for reader mounting. It is recommended to install readers on distance not closer of 30 cm
to each other.
2.
Perform marking of holes for mounting of the reader and laying of cables.
3.
Lay the cable, fix it and perform required connections.
4.
Check correctness of mounting and fix the reader in selected place using screws.
5.
After complete check of reader operation install decorative caps in holes of screws.
Note!
Avoid mounting of the reader directly on metal surfaces, use wooden or rubber spacers
between metal surface and the reader with minimum 10 mm width.
Reader allows to configure the buzzer and 2-colors LED for indication (green and red).
Example of reader installation on fuel dispensers
