Barcode readers are one of the most widespread ID systems for books, CDs, and information devices.
You can use a barcode reader with a serial port, such as COM1, or USB interface on the display unit.
Using a Data Display, code data read from a barcode reader can be stored in a device/PLC's device address.
16.2.1 Procedure - Connecting a Bar Code Reader
Using a display unit's internal device address, code data read from a two-dimensional code reader can be stored in a device/PLC's device address.