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Configuration in STEP 7
5.6 Configuring networks and network nodes in STEP 7 / NetPro
"Network Settings" tab
The Network Settings tab specifies the basic communications parameters for the current
network.
Image 5-10
The parameters are somewhat different for dial-up networks and DNP3 dedicated lines. The
"Identification" and "Dial-up network options" boxes are only available for dial-up networks.
Mode
● Operating mode
For DNP3 dedicated lines, the "Polling" mode is preset and cannot be changed.
– Polling
For dial-up networks, only the "DNP3 mode" can be configured.
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Network Settings tab
In polling mode that is used with dedicated lines, the data exchange is controlled by
the master TIM. This polls the connected stations and node stations one after the
other. Stations with data to transmit send it as soon as they are polled. Stations that
do not currently have any data acknowledge the poll. Only data to be sent from the
master TIM to the stations can be transferred at any time between two individual polls.
System Manual, 12/2015, C79000-G8976-C253-04
TIM DNP3
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