Configuration
3.8 DNP3 parameters of the interfaces
Configuration - DNP3
Configuration Manual, 11/2018, C79000-G8976-C508-01
55
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Time period (seconds) in which a confirmation (acknowledgment) is expected from the
partner on the data link layer. If no acknowledgment is received within the configured time
period, data transmission is repeated, see the "Frame repetition" parameter above.
Range of values: 0...65535
Default setting: 2
The default value of 2 seconds usually only needs to be increased for slow serial
connections.
With the setting 0 (zero), the function is disabled.
Settings DNP3 master
Master-specific DNP3 parameters
You can find the following parameters in the "Settings DNP3 master" parameter group of the
interfaces of the communications module set on the "Master station" network node type.
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This is where you define the basic interval for station calls by the master station.
Value range: 0 ... 65535 seconds
Default: 30
With the setting 0 (zero), the function is disabled. No cyclic polling takes place, not even
for the parameters listed below, the calculation of which is based on the polling basic
interval.
Basis for further parameters
The Polling basic interval is used to calculate the following parameters in the connection
editor (editor "Network data > Telecontrol > DNP3"):
– Event polling interval
– Class 0 polling interval
– Duration of the polling cycle, see "Polling mode" parameter.
For information on the parameters, see section Connection table (Page 92).
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Max. number of events per call
Maximum number of events that can be sent in the response frame of the station after
being called by the master station.
Range of values: 0 ... 65535
Default: 0
With the setting 0 (zero), the function is disabled (no limitation).
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