User's Manual

CHAPTER 3 RFID TAG READER
ALH-901X USER’S GUIDE
DOC. CONTROL #8102117-000 REV D
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Advanced Access Tab
The Advanced Access tab has three general control areas: Read, Write, and Lock. All three
operations require you to specify the bank of tag memory to access (Reserved, EPC, TID, and
User). When reading and writing, you must specify the offset into that bank of memory where you
would like to access. The reading operation also requires you to specify the length of the data to
read. Both the offset and length parameters are measured in words (1 word = 2 bytes = 16 bits).
Three main areas in Advanced Access:
Read, Write, and Lock. Each requires
you to specify a memory bank.
Note in this read that the tag’s actual
EPC code (FEEDFACEBEEF…0001) is
actually offset two words from the start
of the EPC bank.
You must enter the hex data to write in
the field. The helpful popup keypad
makes entering hex data easy.
Verify the success of the write
operation with another read (of just the
EPC code this time). Now it is
FEEDFACEDEADBEEF00000006.