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If the value zero is set for the buffer for events and for the delay time for events, both
functions are disabled and no events are transferred unsolicited.
Other parameters
● DNP3 level
Specifies the DNP3 conformity level supported by the master (DNP3 Application Layer
Protocol Level)
– Level 2
– Extended
The RTU supports level 2 and other functions that go beyond DNP3 conformity level 2.
● Max. time between Select and Operate
Max. duration (seconds) between Select and Operate. For a Select command to be
transferred to the controller and to take effect, no other command may be sent to the
station between Select and Operate.
Permitted range: 1..65535.
If the RTU receives two commands within the configured period, both commands are
ignored.
● Connection confirmation
Condition for the RTU to request a connection confirmation from the master (never,
always, only with segmented data frames).
● Frame repetitions
Number of frame repetitions at the Data Link Layer if no acknowledgement is received
from the master. Permitted range: 0 ... 255
If you enter 0 (zero), the function is disabled.
● Connection monitoring time
Time (in seconds) within which an acknowledgement is expected from the master.
Permitted range: 0 to 65535
If you enter 0 (zero), the function is disabled.
● Max. number of spontaneous frames
Maximum number of repetitions of spontaneous data frames if no acknowledgement is
received from the communications partner .
Permitted range: 0...255
RTU3030C
Operating Instructions, 09/2017, C79000-G8976-C382-04
Configuration (WBM)
4.20 Telecontrol
177
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