OBID
i-scan
®
UHF
Manual
ID ISC.LRU3000/3500
FEIG ELECTRONIC GmbH
Page 177 of 193
H90202-7e-ID-B.docx
11.4. [0x22] Read Buffer
The command Read Buffer reads a number of data sets from the data buffer.
Host
→
Reader
Byte
1
2
3
4 .. 5
6...7
Contents
7
COM-ADR
[0x22]
DATA-SETS
CRC16
Host
←
Reader
Byte
1
2
3
4
5
(6)
6, 7 (7, 8)
Contents
n
COM-ADR
[0x22]
STATUS
TR-DATA1 TR-DATA2 DATA-SETS
(8 or 9 ... n-2)
n-1, n
DATA
CRC16
DATA-SETS:
Number of data sets to be transferred from the data buffer. If the data buffer does not con-
tain the requested number of data sets, the Reader responds with all available data sets
and an error will occur.
TR-DATA1:
Selects the data types for read operation.
Bit
7
6
5
4
3
2
1
0
Function
ExFlag
DATE
TIMER
ANT
Byte
Order
-
DB
IDD
IDD
= Identifier Data (UID or EPC)
DB
= data block
Byte Order
= b0:MSB first, b1:LSB first
ANT
= Antenna number
TIMER
= internal system timer
ExFlag
= Extension flag, if b1= TR-DATA2 will be send
38
