Programming via OPC UA
9.2 OPC UA variables
SIMATIC RF166C
Operating Instructions, 12/2019, C79000-G8976-C578-01
107
Table 9- 7
CodeTypesRWData
Path
Root/Objects/DeviceSet/Read_point_x/RuntimeParameters/Com
monSettings/CodeTypesRWData
Data type
UInt32
Access
R/W
Description
Definition of the data type for the "RWData" diagnostics variable
and the "ScanData" union used for "RWData" in the "RfidLastAc-
cessEvent".
The types "String", "ByteString" and "ScanDataEpc" are support-
ed. The type definition of "CodeTypesRWData" is "MultiStateDis-
creteType". This means that the variable has an "Enum" that
indicates the supported data types as "Property".
Possible values
•
0: ByteString
•
1: String
•
2: ScanDataEpc
Table 9- 8
DeviceClock
Path
Root/Objects/DeviceSet/Read_point_x/RuntimeParameters/Com
monSettings/DeviceClock
Data type
UtcTime
Access
R/W
Description
The internal device clock of the communication module
The communication module loses the time when it is switched
off. The time can be applied after switch-on by this variable via
the application.
Possible values
Example:
2018-05-29T08:29:15.812Z
9.2.5
RfidSettings
You can make the RFID settings on the communication module using these variables.
Table 9- 9
MinRssi
Path
Root/Objects/DeviceSet/Read_point_x/RuntimeParameters/RfidS
ettings/Antennaxx/MinRssi
Data type
Int32
Access
R/W
Description
Lowest accepted RSSI value of an antenna
Transponders which are detected with a lower RSSI value are
counted as not detected. This is a value without a unit and with-
out direct reference to the power strength.
This variable is only supported by UHF readers.
Possible values
0 … 255
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