OBID
i-scan
®
UHF
Manual
ID ISC.LRU3000/3500
FEIG ELECTRONIC GmbH
Page 74 of 193
H90202-7e-ID-B.docx
7.18.
CFG22 .. 27: Selection mask for EPC Gen 2
The configuration block CFG22..27 holds 3 selection masks for selection of EPC Gen 2 Trans-
ponders. The table below showed which configuration block holds which mask. The Reader starts
to select Tags with mask 1 and sends further selection commands with mask 2 and 3, if these
masks are enabled.
Mask number
Config. Block
1
CFG 22/23
2
CFG 24/25
3
CFG26/27
Each selection mask has a format as shown below.
CFG (even)
Byte
0
1
2
3
4
5
6
Contents
S_MASK_LGT
S_MODE
S_START_ POINTER
S_MASK_MSB
Default
0x00
0x01
0x0010
0x30
0x00
0x00
Byte
7
8
9
10
11
12
13
Contents
S_MASK
Default
0x00
0x00
0x00
0x00
0x00
0x00
0x00
CFG (odd)
Byte
0
1
2
3
4
5
6
Contents
S_MASK
Default
0x00
0x00
0x00
0x00
0x00
0x00
0x00
Byte
7
8
9
10
11
12
13
Contents
S_MASK
Default
0x00
0x00
0x00
0x00
0x00
0x00
0x00
S_MASK_LGT: (Transponder.UHF.EPC_Class1Gen2.SelectionMask.MaskLength)
Defines the length of the mask in Bit
If S_MASK_LGT is 0 the selection mask is disabled