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58 | RMC-100| 2105552MNAE

For full configuration, follow the procedure that applies to the required topology and Ethernet mode.

See sections 4.6 Configure the RMC for 1 Network mode (2-port switch) or 4.7

Configure the RMC for

2 Network mode.

IMPORTANT NOTE:

The RMC default Ethernet mode is 1 Network (2-port switch mode). The

Ethernet ports are

disabled by default.

IMPORTANT NOTE:

If you are connected to one of the Ethernet ports to configure the RMC-100,

changing the Ethernet configuration and restarting

the interface will cause you to lose connection.

Make sure to configure your laptop with an IP address compatible with the new IP address assigned

to the RMC. Re

-establish connection using the new RMC IP address after the device restarts.

4.6 Configure the RMC for 1 Network mode (2-port

switch)

The RMC supports switching capability and can behave as a 2-port switch. This mode of operation is

the factory default and is displayed as: 1 Network, in the Mode field on the PCCU Networking tab

screen.

The 1-Network mode simplifies IP parameter configuration, especially in installations with multiple

ABB devices. The local field LAN switch, the RMC-100, and any additional devices, can be configured

for and communicate through a single subnet. This mode supports remote and local access to both the

RMC and attached devices without the need of additional routing equipment on the field.

IMPORTANT NOTE:

When the RMC is in 1 Network mode (2-port switch), never connect the

Ethernet ports to an external Ethernet switch at th

e same time (Figure 4-16). Connecting to the

same switch in this mode causes loss of connections to the device. Connect only one port to the

switch.

Figure 4-16: Incorrect connection of RMC (in 2-port switch mode) to a network switch

4.6.1 Remote access to RMC by host (connections)

Figure 4-17 shows remote access through the customer wide area network. Use either Ethernet port

to connect the RMC to the field network switch. The RMC’s IP address is a non-default generic number

as an example. The subnet address the RMC is configured for is represented by “ZZZ”. The address

remains the same whether the RMC is connecting using Ethernet port 1 or 2.

ABB RMC-100 User Manual

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