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Use Cases
10.3.5
Create Transaction Templates
Create Read Barcode Data Parameter
Before You Begin
The Communicator reads values delivered from to the Barcode Scanner node on to the PLC.
The Barcode Scanner sends data whenever it is available, without any request or handshake
from the Communicator.
In this example we have added three frame fields for the barcode data transaction:
•
One Variable data frame for the length of the barcode.
We use a fixed value.
The maximum payload length is 31 (ASCII).
•
The Barcode Scanner is configured to append:
–
One Carriage Return character (CR) to the barcode.
So we create one Constant frame with the Value 13 (ASCII).
–
One Line Feed character (LF) to the barcode.
So we create one Constant frame with the Value 10 (ASCII).
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Communicator
User Manual
104 (124)
SCM-1202-162 1.1 en-US
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