Configuration in STEP 7
5.6 Configuring networks and network nodes in STEP 7 / NetPro
TIM DNP3
System Manual, 12/2015, C79000-G8976-C253-04
105
● Number of stations in sub-cycle:
This parameter cannot be configured for DNP3 and has no significance.
● Transmission mode:
This parameter cannot be configured for DNP3 and has no significance.
This tab contains special parameters required only when using dial-up networks.
Image 5-19 Properties - DNP3 Dial-up Network TIM dialog, Dial-up Network tab
The dial-up network parameters include:
●
The transfer criterion for connection establishment to transfer unsolicited messages
(events) is only relevant for stations and node stations and as the default "standard
conditions" is set for the DNP3 dedicated line which cannot be changed.
– Standard conditions:
If unsolicited messages are pending, no connection is established. The unsolicited
frames are only transferred when there is a threat of buffer overflow or the connection
is called up from the other end.
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