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OBID
i-scan
®
Manual
ID ISC.PRHD102
FEIG ELECTRONIC GmbH
Page 47 of 125
H71101-2e-ID-B.doc
S_START_POINTER: (Transponder.UHF.EPC_Class1Gen2.SelectionMask.FirstBit)
Defines the memory bit address on which the bit String of the Mask is compared to the
memory of the Tag.
S_MASK: (Transponder.UHF.EPC_Class1Gen2.SelectionMask.Mask)
contains the bit string that the Tag compares against the memory location.
class1 GEN2 Adr
(Bit)
0.....15
16....31
32....47
48....63
64....79
80......
GEN2 Data
CRC16
PC
EPC
S_MASK
Example:
class1 GEN2 Adr
(Bit)
0.....15
16....31
32....47
48....63
64....79
80......
Transponder
Response
EPC 1
CRC16
0x3000
0xA02A
0x0510
0x15A0
0x1234 ....
-->
YES
EPC 2
CRC16
0x3000
0xA02A
0x0510
0x15A0
0x6789 ....
-->
YES
EPC 3
CRC16
0x3000
0xA02A
0x0510
0x15A
1
0x6789 ....
-->
NO
S_MASK
not
checked
0x3000
0xA02A
0x0510
0x15A0
not
checked
S_START_
POINTER
S_MASK_LG
T
S_START_
POINTER
= 16
S_MASK_LGT
= 64
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