Balluff BIS U-6127-081-1 4-06-ST36 Betriebsanleitung Seite 293

BIS U-6127-081-1_4-06-ST36
Processor unit
8
007 protocol (continued)
Command identifier '<': Write data carrier, bulk
extended
Write data to several data carriers that are within the
detection range of the specified antenna. With the
, either all data carriers in the detection
caRRieR Selection
range can be written to or only a subset previously
selected with the Select command. A list of EPCs of all
successfully written data carriers is returned.
The memory area to be written is specified via
, and
addReSS numBeR of ByteS memoRy Bank
the amount of data, the data is transmitted in fragmented
form in one or more packets, with each transmitted packet
acknowledged with a status message.
The following boundary conditions apply to the transfer:
– Maximum amount of data: 999999 bytes/data carrier
– Maximum number of data carriers: 999
Byte Length Command
element
00 1 Command
identifier (ASCII)
01 1 Antenna number
(ASCII)
02...07 6 Start address
(ASCII)
08...13 6 Number of bytes
(ASCII)
14 1 Data carrier
selection
15...17 3 Max. number of
data carriers
(ASCII)
18 1 Memory bank
(ASCII)
19 1 BCC
Status message:
Byte Length Command
element
00 1 Status
01 1 Status code
If the status message is positive, the first data packet can
be transmitted with <STX>. If further data packets follow,
they can be transmitted after each further positive status
message.
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Byte
00
data
01...06 6
StaRt
. Depending on 07
Last
byte
Status message:
Byte
Value range
00
'w'
01
'0': All active
antennas
'1'...'4': Single
antenna The last positive status message contains additional
information and is transmitted in the following format. The
"000000"...
o
peRation
"999999"
Byte
"000000"...
"999999"
00
'0': All
'1': Selected
01
"000"..."999"
02...04 3
'R': Reserved
'E': EPC
05...08 4
'T': TID
'U': USER
09...10 2
00 ...FF
hex hex
11
Last
Value range
byte
After the last transmitted packet, i.e. when the o
<ACK> or
field contains f
<NAK>
status report can be requested with <STX>.
See table Status
codes on page
Byte
94
00
Length Command
element
1 Control com-
mand
Number of bytes
in the following
data block
(ASCII)
No. of Data block
bytes
1 BCC
Length Command
element
1 Status
1 Status code
data field is transmitted with the value f
Length Command
element
1 Status
1 Antenna number
(ASCII)
Number of
detected data
carriers
Number of data
carriers written
Number of bytes
per ID (ASCII)
1 Operation (ASCII)
1 BCC
in the positive status message, a final
iniShed
Length Command
element
1 Status
english
Value range
<STX>
"000000"...
"999999"
Byte:
00 ...FF
hex hex
00 ...FF
hex hex
Value range
<ACK> or
<NAK>
See table Status
codes on page
94
.
iniShed
Value range
<ACK>
'0'...'4'
"000"..."999"
"0000"..."9999"
"64"
'F': Finished
00 ...FF
hex hex
peRation
Value range
<STX>
117