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BIS V-6107 TCP/IP, USB
Processor unit
79
9
Protocol
Command ID 'M': Read data carriers
►
The
Read from Multiple Data Carriers
reads, depending on the configured type, the EPC or
the TID of all data carriers that are located in the active read/write area of the antenna. The
EPC and TID are output in reverse order with leading zeros.
►
The data length of a packet is maximum 1188 bytes.
Note
The length of the TID or EPC field parameters are configured on the BIS VU read/
write head.
Byte
Length
Command element
Value range
00
1
Command ID (ASCII)
'M'
01
1
Head number (ASCII)
'1'…'4'
02
1
Type EPC or TID (ASCII)
'E': EPC
'T': TID
03
1
Max. number of data carriers (ASCII) high
byte
'0'…'9'
…
…
…
'0'…'9'
05
1
Max. number of data carriers (ASCII) low
byte
'0'…'9'
06
1
Data carrier select (ASCII)
'0': All
'1': Selected
07
1
BCC
00
hex
…FF
hex
Acknowledgment:
Byte
Length
Command element
Value range
00
1
Status
<ACK>
01
1
Head number (ASCII)
'1'…'4'
02
1
Type EPC or TID (ASCII)
'E': EPC
'T': TID
03
1
Max. number of data carriers (ASCII) high
byte
'0'…'9'
…
…
…
'0'…'9'
05
1
Max. number of data carriers (ASCII) low
byte
'0'…'9'
06
1
Number of bytes per data carrier (ASCII)
high byte
'0'…'9'
07
1
Number of bytes per data carrier (ASCII)
low byte
'0'…'9'
08
1
BCC
00
hex
…FF
hex
The reply then follows:
Byte
Length
Command element
Value range
00
1
Control command
<STX>
Summary of Contents for BIS V-6107
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