Appendix T – RFID Details
Class Series Programmer’s Manual 273
Wx / W1x: RFID (continued)
Field Valid Inputs Meaning
HF:
Starting block number to write.
UHF EPC Gen2:
Block address where “0001” is EPC data, “0002” is Tag ID or
“0003” is user memory. Using “0000” is for EPC data also (for
backwards compatibility).
ffff
0000 – 9998
UHF other tag types:
Not Used, should be 0000
HF:
Not Used, should be 0000
UHF EPC Gen2:
Data word offset – currently only used for read operation
gggg
0000
UHF other tag types:
Not Used, should be 0000
jj…j
Valid hexadecimal
pairs per character
followed by a
termination character.
Data to write to the tag.
Note: UHF data length must be 16 or 24 for EPC, 16 for Tag ID or
multiples of four for user memory sections
Example 1:
The following example encodes an HF tag , starting at block 001, with “Datamax writes RFID best”:
<STX>L
D11<CR>
2W1x0000000010000446174616D61782077726974657320524649442062657374<CR>
E
Example 2:
The following format encodes a UHF Gen2 tag with EPC data “112233445566778899AABBCC” and
user memory data “1111222233334444”.
<STX>L
D11
2W1x0000000010000112233445566778899AABBCC
2W1x00000000300001111222233334444
E
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