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Variables (with Modbus network addresses) in ISaGRAF. SCADAPack controllers use the Modbus
addresses when DNP objects are created.
•
For TelePACE applications see the section Controller Menu >> Register Assignment in the
TelePACE User and Reference Manual.
•
For ISaGRAF Applications see the section I/O Connection Reference in the ISaGRAF User and
Reference Manual.
3. Configure Application Layer Parameters.
The application layer parameters primarily define how the application layer communicates; how
often time synchronization is done, whether the station initiates unsolicited responses and if
application layer confirmation is used in the communication. In addition the global Operate Timeout
parameter is set for Select Before Operate binary output objects and the Dial Up parameters are set if
dial up communication is used.
•
See the section DNP Configuration >> Application Layer Configuration in this manual for
information on the parameters used in the Application layer.
4. Configure Data Link Layer Parameters.
The data link layer parameters define the SCADAPack outstation DNP address, the master station
address(s) the SCADAPack master will communicate with and whether data link layer confirmation
will be used in the communication.
•
See the section DNP Configuration >> Data Link Layer Configuration in this manual for
information on the parameters used in the Data Link Layer.
5. Configure Master Parameters ( Applicable for SCADAPack 350 and SCADAPack 32 only)
There are two Master parameters, Mimic Mode enable or disable and the Base Poll Interval. The
concept behind Mimic Mode operation is described in section 3.3-DNP Mimic Mode.
The Base Poll interval is used to determine the frequency of master polling of outstations. Each type
of master poll, Class 0, 1, 2 or 3 is polled at a frequency that is based on the Base Poll Interval.
•
See the section DNP Configuration >> Master in this manual for information on the parameters
used in the Master.
6. Configure Master Poll Parameters
The Master Poll parameters define how often the master station polls each outstation, how often to
request time synchronization and whether unsolicited responses are accepted from the outstation.
The polling frequency is configured independently for outstation Class 0,1,2 and 3 data. Master
polling interval, or frequency, is based on the number of base poll intervals as set in the Master
parameters.
•
See the section DNP Configuration >> Master Poll in this manual for information on the
parameters used in for the Master Poll.
7. Configure Address Mapping Parameters
The Address Mapping parameters define the mapping rules, which allow outstation DNP objects to
be mapped into local SCADAPack master Modbus registers. This allows the outstation data to be
used locally in application programs.
•
See the section DNP Configuration >> Address Mapping in this manual for information on the
parameters used in for Address Mapping.
DNP3 User and Reference Manual
June 18, 2007
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