Balluff BIS U-6127-081-1 4-06-ST36 Betriebsanleitung Seite 298

BIS U-6127-081-1_4-06-ST36
Processor unit
8
007 protocol (continued)
Command identifier '-L': Detect data carrier,
universal
Detects the tags (max. 999) that are in the detection range
of the specified antenna and returns the predefined
formatted tag data of the specified data. The output
channel can be used to specify whether the request and
response are transmitted on the same TCP port (IN band)
or on different TCP ports (OUT band).
Byte Length Command
element
00 1 Universal com-
mand identifier
(ASCII)
01 1 Command
identifier (ASCII)
02 1 Antenna number
(ASCII)
03...05 3 Max. number of
data carriers
(ASCII)
06 1 Output channel
07 1 Output mode
08 1 BCC
Status message (only transmitted in output mode 'A' and
'F'):
Byte Length Command
element
00 1 Status
01 1 Status code
If the command is executed successfully, the formatted
tag data of the data carriers located in the detection range
of the specified antenna follow on the defined data
channel. The data corresponds to the specified formatting.
Byte Length Command
element
00... Variable Prefix +
FormattedTag-
Data(1st tag) +
FormattedTag-
Data(2nd tag) +
... + Suffix
122 english
This is followed by the <EOT> message containing the
number of detected data carriers (transmitted only in
output mode 'F')
Byte
00
01
Value range
02
'-'
'L'
'0': All active
antennas
'1'...'4': Single
antenna
'000'...'999'
'0': IN band
'1': OUT band
'A': Ack only
'F': Full status
'N': No status
00 ...FF
hex hex
Value range
<ACK> or
<NAK>
See table Status
codes on page
94
Value range
All values possi-
ble through the
format
Length Command
element
1 Status
1 Number of data
carriers
1 BCC
Value range
<EOT>
'000'...'999'
00 ...FF
hex hex