Setting
RFID channels — overview of commands
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07.00 | 2022/09 | 157
See description of the output data, p. [}105].
Request
Loop counter See description of the output data
Command code 0x0103 (hex.), 259 (dec.)
Read/write head address See description of the output data
Length UID/EPC The UID or EPC size should be entered in bytes if a particular
tag is to be protected. The UID or EPC must be defined in the
write data (start byte: 0). The function of the UID/EPC length
is dependent on the command used.
0: The command is executed for the tag which is located in
the detection range of the read/write device.
> 0: EPC length of the tag to be protected if an EPC is
present in the write data
-1: NEXT mode: A tag is only ever protected if the UID/EPC
differs from the UID/EPC of the tag last read or written to.
Start address Not required
Memory area Possible values:
n HF: USER memory (memory areas 1 and 3)
n UHF: PC and EPC (memory area 1), USER memory
(memory area 3)
UHF: The entire memory area selected is protected with a
password.
HF: Specification of memory area not required. The pages of
the memory area are selected via byte 0…7 of the write
data. A page consists of 4 blocks (16 bytes).
Length UHF: 0 byte
HF: 8 byte
Timeout See description of the output data
Write fragment No. 0
Read fragment No. See description of the output data
Write data, byte 0 HF:
EM4233 SLIC/NXP SLIX2:
n Bit 0: Write protection, page 0
n Bit 1: Write protection, page 1
n Bit 2: Write protection, page 2
n Bit 3: Write protection, page 3
n Bit 4: Write protection, page 4
n Bit 5: Write protection, page 5
n Bit 6: Write protection, page 6
n Bit 7: Write protection, page 7
UHF: not required
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