The ClearSCADA DNP3 driver is capable of issuing DNP3 event polls for specific DNP3 items, in addition to Class polls (see Specify When ClearSCADA Performs Class Polls).
Use the fields within the Event Scanning section of the DNP3 tab to specify the frequency at which ClearSCADA performs DNP3 Event polls:
Use each combo box to specify a Scan Group. The update frequency of each Scan Group, and the frequency with which ClearSCADA performs each DNP3 Event poll, is determined by the corresponding Scan Group property, configured on the DNP3 Channel Form (see Configure the Scan Group Intervals).
- Binary Input Events Scan Group—Specify the Scan Group that the driver uses to poll for binary input events.
- Binary Output Events Scan Group—Specify the Scan Group that the driver uses to poll for binary output events.
- Double-bit Binary Input Events Scan Group—Specify the Scan Group that the driver uses to poll for double-bit binary input events.
- Analog Input Events Scan Group—Specify the Scan Group that the driver uses to poll for analog input events.
- Analog Output Events Scan Group—Specify the Scan Group that the driver uses to poll for analog output events.
- Counter Events Scan Group—Specify the Scan Group that the driver uses to poll for counter events.
- Data Set Event Polling Interval—Specify how frequently ClearSCADA should poll the outstation for data set events. The DNP3-WITS extension driver needs to poll for data set events when it is enumerating the application programs in an outstation during a configuration upload. Enter the polling interval directly in the field, by using the OPC Time Format, or use the Interval Window (accessed from the field's browse button).
NOTE: DNP3 Event Scanning requires DNP3 Level 2 support at the outstation. If the outstation does not support DNP3 Level 2, set these fields to ‘None’.