CONFIGURATION USING THE WEB INTERFACE
Quattro Technical Information Manual
30
EPC code parameters
Using the table below you can customize the text of the code displayed on the screen:
Tab. 4.3: EPC Code parameters
EPC Code:
enable or disable. By default, the
EPC Code
is enabled and the EPC code is returned in
the message sent by the reader. You can change the default value using the drop-down menu.
FORMAT:
In the HID profile you can set different EPC formats:
HEX: The EPC code is represented as a hexadecimal number. For example, an EPC Code of
96 bits long corresponds to 24 hexadecimal digits (96/4=24).
ASCII: The EPC code is interpreted as 8 bits at a time, each byte being represented as
ASCII character. For example, an EPC Code of 96 bits corresponds to a string of 12 ASCII
characters (96/8 = 12).
By default the EPC HID format is set to “HEX”. You can change the default value using the drop-
down menu.
OFFSET:
optional. The “offset” indicates after how many characters start counting the “length”
value. By default the offset string is empty.
LENGTH:
number of characters of the EPC code to be displayed counting from the “offset”. If not
set, all the EPC code is displayed. By default the length string is empty.
GROUP:
the EPC code characters are grouped according to the value set in “group”. By default
the group string is empty.
SEPARATOR:
separator used to distinguish groups. By default the separator string is empty.
PREFIX:
The PREFIX option permits to specify a string to add before the EPC when a tag is read.
The following list shows the accepted characters for the prefix:
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C',
'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '0', '1', '2', '3',
'4', '5', '6', '7', '8', '9', '{', '|', '}', '!', '"', '#', '$', '(', ')', '*', '+', ',', '.', '/', ':', ';', '=', '?', '@', '[', ']', '^', '_', '-'
By default the prefix string is empty.
Warning:
if you are using a qwerty keyboard, pay attention that it is a
standard
qwerty
keyboard because if not the conversion of symbols could create display problems.
POSTFIX:
The POSTFIX option permits to specify a string to add after the EPC when a tag is read.
The following list shows the accepted characters for the postfix:
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C',
'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '0', '1', '2', '3',
'4', '5', '6', '7', '8', '9', '{', '|', '}', '!', '"', '#', '$', '(', ')', '*', '+', ',', '.', '/', ':', ';', '=', '?', '@', '[', ']', '^', '_', '-'
By default the postfix string is \r\n\ (see the following table
Tab. 4.4: Escape Sequences supported
page 31).
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