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3.4.4
RD – read page
•
Start the reader with the command RD plus parameters (plus <CR>). You can read out just one
block (with one parameter) or several blocks (with two parameters, first and last block number).
•
Wait for the answer
•
Analyse the received answer: 8 characters plus <CR>. Allowed characters 0 to F.
The NoRead code is set to ( „XXXXXXXX“).
The result of the reading process may also be seen at the LED’s.
•
LED L2 lit, if there was a successful read.
•
LED L3 lit, if there was a No Read.
Example:
RD
<SP>
20
<CR>
read block 20
RD
<SP>
16
<SP>
33
<CR>
read all blocks from 16 to 33
Allowed values (block numbers of the transponder IC):
ALGO 9 (1 kBit; P4150, P4450, P4550)
3 ... 33
ALGO 6 (2 kBit; Hitag 1)
16 ... 63
ALGO 14 (2, 4; kBitEM4305, EM4569)
5 … 15
