Configure Ethernet (Network) Communication; Figure 7-3: Serial Port Configuration To Connect Xmvs; Figure 7-4: Serial Port Configuration For Remote Communication - ABB RMC-100 Startup Manual

Remote modular controller

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Figure 7-4

provides a communication configuration example to connect equipment for remote

communication such as a radio. The Generic Com App is chosen to support this type of connection.

7.2

Configure Ethernet (network) communication

To configure the RMC for network communication, determine the required network topology first. The

embedded Ethernet switch on the RMC can be configured to support a single network or two networks. In

1 Network mode, both Ethernet ports are assigned to one network. In 2 Network mode, each Ethernet

port is assigned to a separate network.

 In 1 Network mode, you can use one Ethernet port for the uplink connection to the corporate

WAN (through a local or field network switch), and the other port to connect additional devices

on the field network (in daisy-chain fashion). This configuration forms a logical LAN where a

network switch, an RMC, and an additional device communicate on a single network. Each of the

devices on this network must have a unique and valid IP address with the same subnet number.

The network traffic on one port is "visible" on the other. To manage devices remotely, establish a

remote TCP/IP connection with the RMC and, through the RMC, to the attached device(s). The

RMC switches between the network and the device.

 In 2 Network mode, you can define two networks. These networks are separate and therefore

traffic on one is not "visible" on the other. If one port is used to connect to the corporate WAN,

and the other port to a field network, the field network traffic is isolated from the corporate

network traffic. Remote access to the RMC will require the IP address assigned to the Ethernet

interface used to connect to the WAN. Remote access to the devices directly connected to the

RMC will not be possible without an external router at the field. The external router is required

for communication between the two separate networks.

The Ethernet interface supports static (manual) or dynamic (DHCP) IP addressing. Static addressing is

recommended. Follow the procedure that applies to the required topology and Ethernet mode.

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