ZK-RFID102 UHF RFID Reader User's Manual V2.0
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8.2.11 Check ReadProtect
The command is used to check only one tag in the effective field, whether the tag is protected. It can not
check the tag whether the tag support protection setting. Only NXP's UCODE EPC G2X tags valid.
Command:
Len
Adr
Cmd
Data[]
CRC-16
0x04
0xXX
0x0b
——
LSB
MSB
Respond:
Len
Adr
reCmd
Status
Data[]
CRC-16
0x06
0xXX
0x0b
0x00
ReadPro
LSB
MSB
Parameter Connect:
ReadPro
Connect
0x00
Tag is protected.
0x01
Tag is unprotected.
Notes: If a tag does not support the command, is unprotected.
8.2.12 EAS Alarm
The function is used to set or reset the EAS status bit of designated tag. Only NXP's UCODE EPC G2X tags
valid.
Command:
Len
Adr
Cmd
Data[]
CRC-16
0xXX
0xXX
0x0c
——
LSB
MSB
Data as follows:
Data[]
ENum
EPC
Pwd
EAS
MaskAdr
MaskLen
0xXX
Variable
4Byte
0xXX
0xXX
0xXX
Parameter Connect:
ENum:
EPC length
,
in word units. The length of EPC is less than 15 words, can be 0 or 15. Otherwise, it
returns the parameters error message.
EPC:
Be operated tag’s EPC number.
EPC
length according to the decision of the EPC number, EPC
numbers in word units, and must be an integer number of lengths. High word first, the high byte of each word first.
Requirement given here is a complete EPC number.
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.
EAS:
One byte. Bit0=0 means reset the EAS state, Bit0=1 means set the EAS state.Bit1~Bit7 default 0.