User's Manual

UHF RFID Reader UR - SERIES User Manual v1.14
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8.2.13 EAS alert detection
The function of this command is to detect EAS alert, only valid for NXP UCODE EPC G2 tags.
Command frame:
Len
Adr
Cmd
Data[]
CRC-16
0x04
0xXX
0x0d
——
LSB
MSB
Response frame:
Len
Adr
reCmd
Status
Data[]
CRC-16
0x05
0xXX
0x0d
0x00
——
LSB
MSB
Return "no operatable tag" if EAS alert is not detected.
8.2.14 Single tag inventory
Command frame:
Len
Adr
Cmd
Data[]
CRC-16
0x04
0xXX
0x0f
——
LSB
MSB
Response frame:
Len
Adr
reCmd
Status
Data[]
CRC-16
Ant
Num
EPC ID
0xXX
0xXX
0x0f
0x01
0xXX
0x01
EPC-1
LSB
MSB
Parameters definition
Ant: indicates which antenna had inquired a tag. For example, 0x04 is 0000 0100 in binary, this
indicates Antenna 3 had inquired this specific tag. For 0x08, it is 0000 1000 in binary, then it
indicates Antenna 4 had inquired tag information.
Num: 0x01 (constant)
EPC ID: inquired tag EPC data. For instance, EPC-1 is the EPC length + EPC number + RSSI
value of the first tag etc. The RSSI and EPC length values are one byte parameters. The unit of EPC
C1 G2 data is word. During communication, the most-significant word and the most-significant
byte in a word will be transmitted first.
8.2.15 Block writing command
The function of this command is to write multiple words to reserved memory, EPC, TID and user
memory.