IMPULSE®•G+/VG+ Series 4 Profinet Installation Manual - August 201448Network TabThe Network tab shows the status of the option network traffic and the status of open I/Oconnections.Figure 15: Network Tab ViewTable 29: Network Monitor DescriptionsNetwork Monitor ExplanationMsg Tx OK Cumulative number of messages transmit successfully from SI-EP3.Msg Rx OK Cumulative number of messages received successfully to SI-EP3.Current Connections Current number of open connections.Control Connection DeltaTimeThe time between the last two writes to the Control register, MEMOBUS/Modbusaddress 0001H.Msg Tx Dropped Cumulative number of messages dropped due to output network buffer being fulland unable to hold the new message.Msg Rx Dropped Cumulative number of messages dropped due to input network buffer being fulland unable to hold the new message.Collisions Cumulative number of collisions (half duplex only) reported by the MAC/PHY(Media Access Control/Physical Connection).Msg Tx Errors Cumulative number of transmit underruns and transmit stops reported by theMAC/PHY.Msg Rx Errors Cumulative number of receive overruns, receive stops, and receive error framesreported by the MAC/PHY.Tx Retry Cumulative number of transmits in which the 1st attempt was delayed due tobusy medium reported by the MAC/PHY.NOTE: Cumulative counters are reset when the power supply is cycled.