Specifications

Table Of Contents
Serial port intercommunication agreement | VI-88TR development handbook
F0H 3+M*(L+8) FBH M M*L+8CheckSum
Command format with reader address:
Command code:FBH
Parameter of reader address:address
Command parameter1: 1byte is the condition of selected tag.
00 Equal to
01 Unequal to
02 Greater than
03
Less than
Command paramter2: 1byte is start address of tag data ADDR, value 0
223.
Command parameter3: 1byte is data MASK. Each bit in the byte is
corresponding to a comparative byte.
0
The byte not for comparison
1
The byte for comparison
Command parameter4: 8bytes is data for comparison.
Command packet: 40H 0EH FBH address SEL ADDR MASK
DATA CheckSum
Return data: if success, byte count of return data= number of all listed tags
M(1byte)+ M *data of (tag length L (1byte)*8(ID)).
F0H 4+M*(L+8) FBH address M M*(L+8) CheckSum
2.3.1.4 Read Byte Block
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