User's Manual

Table Of Contents
Product Manual - RFID Reader UF80 43
Chapter 7
Operation
M - Scan EPCs The M command starts the scanning of the EPC transponders located in the read
area of the activated antenna.
1) These data are displayed in the order listed for each identified EPC
transponder.
2) The response of the transponder is optional and only appears at result "00".
3) The result and Ex flag is only available in the first transmitted message in
messages with several frames.
Example:
>> M01
<< m0010001 Frame ID "01"; Result "00" and Ex flag "01"
0106470000000000000000000000
0106270000000000000000000000
0106110000000000000000000000
0106490000000000000000000000
0106100000000000000000000000
0106230000000000000000000000
0106420000000000000000000000
0106080000000000000000000000
0106310000000000000000000000
0106290000000000000000000000
0106120000000000000000000000
0106
the missing 12 bytes are included in the next message
Host reader
CMD Reader ID Head ID
M 1 byte 1 byte
Reader host
Overhead response telegram
2)
Data of the participating EPC transponders
1) 2)
CMD
Reader
ID
Frame
ID
Result
3)
Ex flag
3)
Exten-
sions
EPC
Trans-
ponder
error
code
Number
N data
words
Data
words
m 1 byte 2 bytes 2 bytes 2 bytes 0-12
bytes
(2n+1)
*2
bytes
2 bytes 2 bytes N*4
bytes