ABB RMC-100 - Page 17

2105552MNAE | RMC-100 | 17
The RMC has six communication ports. The design allows communication expansion to support future
external communication modules. Figure 2-6
identifies the ports and communication expansion
interfaces.
Figure 2-6: Communication ports
Legend for Figure 2-6: Communication ports
ID
Port name
Connector
type
Data transfer rate
(port speed)
Use (connections)
1, 2
COMM 1,
COMM 2
Removable
terminal
connector (9
POS), screw
termination.
Wire gauge 12
AWG to 22 AWG
Baud Rate: 2,400 to
115,200 bps
(Manually configurable
from the user interface)
Remote or local serial
communication configurable for
either RS-232, RS-422 or RS-485
3
MMI
Proprietary
Baud Rate: 2,400 to
115,200 bps
(Manually configurable
from the user interface)
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)
4, 5
ETHERNET 1,
ETHERNET 2
RJ-45
100 Mbps or 10 Mbps full
duplex
(Supports auto-
negotiation, uses
standard or straight-
through Ethernet cable)
–
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
6
USB
USB Type B
Supports USB 2.0 full
speed mode and high-
speed mode
Local communication (high-speed
serial local operator interface)
1 2
3
4
5
6
7