Sample Network

This sample isolated redundant network includes BMENOR2200H modules on local racks. The BMENOR2200H module provides two different isolated subnets for control network (red) and backplane network (green).

Legend:

1 An M580 redundant PAC connects the main ring to the control network.

2 A BMENOR2200H module acts as an RTU server to support DNP3, IEC60870-5-101, or IEC60870-5-104 communications.

3 A BMENOC0301 module connects to the standalone and Safety Hot Standby PACs via the Ethernet backplane that supports distributed equipment.

4 RIO main ring

5 A dual-ring switch (DRS) connects distributed equipment to the RIO drop on the main ring.

6 BMENOR2200H modules connect to a network splitter block for serial devices.

7 DNP3 serial devices have RS485 connections to the network splitter block.

NOTE: The primary and standby BMENOR2200H modules use the RIO network or the upstream network to synchronize data. Otherwise, the pair of modules cannot establish Hot Standby functionality.