Balluff BIS U-6026-034-104-06-ST35 Betriebsanleitung Seite 78

BIS U-6026-034-1_4-06-ST35
Processor unit
8
Device function (continued)
Command designator 55
Sub- Meaning
address
00 1st bit
hex
string
01 Command 55
hex
recognition
... None No meaning
Last 2nd bit If first and second bit strings
byte string agree, there is valid data
present.
If execution is successful, the response is passed to the
input buffer in the following format:
Sub- Meaning
address
00 1st bit
hex
string
01 Number of 0...255
hex
data
carriers
read
... None No meaning
Last 2nd bit If first and second bit strings
byte string agree, there is valid data
present.
This command always responds immediately – even for
configured dynamic mode –with the currently identified
number of tags.
If no tag is identified, this command returns the number "0"
and no error message.
30 english
: Read number of tags
hex
Functional description
: Read number of tags
hex
Functional description
Command designator 40
hex
selection for multi-tagging)
Sub- Meaning
address
00 1st bit
hex
string
01 Command 40
hex hex
recognition data carrier to be used for
further processing steps such as
reading or writing)
02 Type 0 = EPC (other values currently
hex
not supported)
03 Number of Number of bytes of the data
hex
bytes carrier identifier (EPC) that is
transmitted in following cycles.
04 Reserved Reserved for expansions; please
hex
set to 0.
05 Reserved Reserved for expansions; please
hex
set to 0.
06 Reserved Reserved for expansions; please
hex
set to 0.
... None No meaning
Last 2nd bit If first and second bit strings
byte string agree, there is valid data
present.
Data of the data carrier identifier is accepted from the
processor unit only after the command has been accepted
by the processor unit and acknowledged.
Sub- Meaning
address
00 1st bit
hex
string
01 Data 1st byte of the data carrier
hex
identifier (EPC or TID)
... Data Other bytes of the data carrier
identifier (EPC or TID)
... is continued, if necessary, in
further buffer transmissions until
the total number of bytes is
reached.
Last 2nd bit If first and second bit strings
byte string agree, there is valid data
present.
After the Select command, read/write commands
(command designators 01 , 02
hex
42 , 43 , 44 , 81 , 82 , B2
hex hex hex hex hex
antenna are run only on the designated data carrier, if it is
available.
: Select (data carrier
Functional description
: Select tag (selection of the
Functional description
, 03 , 04 , 05 , 32 ,
hex hex hex hex hex
) for the corresponding
hex