Balluff BIS U-6127-081-1 4-06-ST36 Betriebsanleitung Seite 317

BIS U-6127-081-1_4-06-ST36
Processor unit
9
OPC UA (continued)
9.5.2 Write/read methods for tag
Scan
This method can be used to start the synchronous
scanning process (see chapter 6.5 on page 23). The call
parameters define how long and how often scanning is to
be performed.
The conditions for stopping (S
each other. As soon as a condition is fulfilled, the scanning
process is stopped.
Both the antenna selection (see SetAntennaUsed on
page 148) and the activated static filters (see SetFilter on
page 150) of the current session are taken into account
during the scan.
Call arguments
Name Data Type
Settings ScanSettings
Return values
Name Data Type
Result RfidScanResult[]
Status AutoIdOperati-
onStatusEnu-
meration (see
chapter 9.7.2 on
page 161)
Structures used by call arguments and return
parameters
ScanSettings (see chapter 9.7.16 on page 165)
Name Data Type
Duration Duration
Cycles Int32
www.balluff.com
) are related to
S
can ettingS
Description
Settings for how
long or how often
the scan should be
performed.
Description
All detected tags are
output with informa-
tion such as EPC,
timestamp, RSSI
value, etc.
Returns the result of
the operation.
Description
Specifies the dura-
tion of the scanning
process. The value 0
stands for "infinite
length".
Specifies the
number of scan
passes. The value 0
stands for "infinite
number".
Name Data Type
DataAvailable Boolean
LocationType LocationType
(see chapter
9.7.8 on
page 162)
RfidScanResult (see chapter 9.7.12 on page 163)
Name Data Type
CodeType CodeTypeData-
Type (see chap-
ter 9.7.4 on
page 162)
ScanData ScanData
Timestamp UtcTime
Location Location
Sightings RfidSighting[]
(see
chapter 9.7.13
on page 164)
Description
If this value is set to
, the scan will
tRue
stop as soon as
data is available.
With , only the
falSe
parameters d
uRation
and c are
ycleS
considered.
Specifies the desired
type of location
information in the
result.
Only the l -
ocation
n type is sup-
ame
ported.
Description
Specifies the format
in which the scan-
ned data should be
output under Scan-
Data.
Data of the success-
fully scanned tag.
Time of tag read in
Universal Time
Coordinate time
zone.
Returns the location
where the tag was
detected.
Information about
each read of the tag
on an antenna:
1: Number of the
antenna
2: RSSI value
3: UtcTime at read
4: Transmitting
power used during
read
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