ABB RMC-100 User Manual page 17

The RMC has six communication ports. The design allows communication expansion to support future
external communication modules.
interfaces.
Figure 2-6: Communication ports
7
6
5
4
3
Legend for Figure 2-6: Communication ports
ID Port name
1, 2
COMM 1,
COMM 2
3 MMI
4, 5 ETHERNET 1,
ETHERNET 2
6
USB
Figure 2-6 identifies the ports and communication expansion
1 2
Connector Data transfer rate
type (port speed)
Removable Baud Rate: 2,400 to
terminal 115,200 bps
connector (9 (Manually configurable
POS), screw from the user interface)
termination.
Wire gauge 12
AWG to 22 AWG
Proprietary Baud Rate: 2,400 to
115,200 bps
(Manually configurable
from the user interface)
RJ-45 100 Mbps or 10 Mbps full
duplex
(Supports auto-
negotiation, uses
standard or straight-
through Ethernet cable)
USB Type B Supports USB 2.0 full
speed mode and high-
speed mode
Use (connections)
Remote or local serial
communication configurable for
either RS-232, RS-422 or RS-485
Local serial communication (RS-
232) Available only on external
weatherproof circular military-
type connector on ABB Xcore
enclosures (MMI-to-military cable
required: Part number 2101412-
001)
–
Local communication (high-
speed TCP/IP-based local
operator interface)
–
Remote communication
using TCP/IP connections
over a network
(management port)
–
Connect other Totalflow
equipment (for example,
additional RMCs, flow
computers, transmitters)
–
Connect Ethernet-to-serial
devices
Local communication (high-speed
serial local operator interface)
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