Comtrol Modbus TCP Quick Start - Manual (Page 64)

64 - Filtering/Data Extraction Configuration DeviceMaster UP EtherNet/IP Quick Start: 2000478 Rev. D
Filtering/Data Extraction Configuration
3. For Barcode (UPC/EAN formats):
• Set any or all of the To PLC Filter Options (RFID/Barcode) filtering options. (You must select at least one
for the filtering/data extraction to function.)
• If you are using standard twelve to fourteen-digit UPS/EAN barcodes, set the Barcode UPC/EAN 12-14
Digit Format to match that of your barcodes. The Company-5/Product-5 is the most popular format.
• If you are using eight-digit UPC/EAN barcodes, set the Barcode UPC/EAN 8 Digit Format to match that
of your barcodes.
• If you want the DeviceMaster UP to discard any non-RFID tag messages, set the Discard Unrecognized
Data to either To-PLC or To-PLC/Application.
• Refer to the Filtering and Data Extraction Reference Manual for formatting and other information.
To PLC Barcode Data Format
When the PLC interface is operating in Barcode Filtering mode, all data sent to the PLC is in the
following format:
Note: The Company Code will be set to zero for all EAN-8 codes.
4. Make sure that Reset Port and Save in Flash are selected and then click Submit when you have
completed configuration.
Tag Data BYTE[128]
Tag data string (variable length field)
May also include non-tag messages, which
can optionally be sent to the PLC and/or
application.
Field Size Description
Produced data sequence
number
UINT
Values = 0-65535
(FFFF Hex)
Sequence number that is incremented
with each new message.
Length
UINT
Values = 12-140
Length in bytes of following data.
Company Code DWORD Company Code
Product Code DWORD Product Code
Numbering Code UINT
Numbering Code (from first byte(s) of
barcode data)
Barcode Data Length UINT Length of barcode string in bytes
Barcode Data BYTE[128] Barcode data string (variable length field)
Field Data Type Description