ZK-RFID102 UHF RFID Reader User's Manual V2.0
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MaskAdr
and ends
MaskLen
bytes later.
MaskAdr + MaskLen
must be less the length of ECP number.
Otherwise, it returns the parameters error message.
Notes: That a tag compares against complete EPC number when the MaskAdr and MaskLen vacant.
Respond:
Len
Adr
reCmd
Status
Data[]
CRC-16
0x05
0xXX
0x08
0x00
——
LSB
MSB
8.2.9 ReadProtect (Without EPC)
The command is used to random set random one tag read protection in the effective field. The tag must be
having the same access password. Only NXP's UCODE EPC G2X tags valid.
Command:
Len
Adr
Cmd
Data[]
CRC-16
Pwd
0x08
0xXX
0x09
4Byte
LSB
MSB
Parameter Connect:
Pwd:
Four bytes, they are Access Password. The most significant word of Access Password is first, the most
significant byte of word is first. The first bit of 32-bit access password is left, and the last bit of 32-bit access
password is right. Tags’ Access Password can not be zero.
Respond:
Len
Adr
reCmd
Status
Data[]
CRC-16
0x05
0xXX
0x09
0x00
——
LSB
MSB
8.2.10 Reset ReadProtect
The command is used to remove only one tag read protection in the effective field. The tag must be having
the same access password. Only NXP's UCODE EPC G2X tags valid.
Command:
Len
Adr
Cmd
Data[]
CRC-16
Pwd
0x08
0xXX
0x0a
4Byte
LSB
MSB
Parameter Connect:
Pwd:
Four bytes, they are Access Password. The most significant word of Access Password is first, the most
significant byte of word is first. The first bit of 32-bit access password is left, and the last bit of 32-bit access
password is right.
Pwd
must be right tag’s Access Password.
Respond:
Len
Adr
reCmd
Status
Data[]
CRC-16
0x05
0xXX
0x0a
0x00
——
LSB
MSB
Notes: If a tag does not support the command, is unlocked.