BIS V-6107 TCP/IP, USB
Processor Unit
78
9
Protocol
Note
Detailed information about the function of read/write head series BIS VU* can be
found in the manual for the read/write head.
Command ID 'N': Number of tags
►
This command returns the number of data carriers that were found in the active read/write
zone of the antenna. Optionally, the total number of data carriers or the number of data
carriers selected with the
Select
command.
Byte
Length
Command element
Value range
00
1
Command ID (ASCII)
'N'
01
1
Head number (ASCII)
'1'…'4'
02
1
Data carrier selection
'0': All
'1': Selected
03
1
BCC
00
hex
…FF
hex
Acknowledgment:
Byte
Length
Command element
Value range
00
1
Status
<ACK> or <NAK>
01
1
Status number
See Status Num-
ber table
The reply then follows:
Byte
Length
Command element
Value range
00
1
Control command
<STX>
The reply then follows with the first data block.
Byte
Length
Command element
Value range
00
1
Status
<ACK>
01
1
Head number (ASCII)
'1'…'4'
02
1
Number of data carriers read (ASCII)
high byte
'0'…'9'
…
…
…
'0'…'9'
04
1
Number of data carriers read (ASCII)
low byte
'0'…'9'
05
1
BCC
00
hex
…FF
hex
9.9 Description of
BIS VU specific
commands
Summary of Contents for BIS V-6107
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