Emerson Rosemount 2460, Справочное руководство

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34
Reference Manual
00809-0100-2460, Rev DE
Installation
October 2018
Installation
Table 3-6. Terminal assignment
Terminal Designation Function
Port 1
Field device
Communication bus for field devices.
See
“Digital communication protocols” on page 157 for more
information.
Port 2
Port 3
Port 4
Port 5
Field device/Host
Port 5 and 6 can be configured for field or host communication (see
“Communication ports for hosts and field devices” on page 31 for
more information).
Port 6
Port 7a
Host/TankMaster
Communication bus for host. Ports designated “a” and “b” are
connected in parallel. Supports electrical interface TRL2, RS485,
RS422, and RS232. See
“Dimensional drawings” on page 161 for more
information.
Port 7b
Port 8a
TankMaster
Communication bus for TankMaster.
Ports designated “a” and “b” are connected in parallel. This port
supports electrical interface TRL2, RS485, RS422, and RS232.
Port 8b
ETH 1
Standard Ethernet
port
Ethernet communication bus.
ETH1 is used for DCS/host communication via Modbus TCP.
In case the Rosemount 2460 is connected to a Local Area Network
(LAN) via Modbus TCP, please make sure the connection is secure and
no unauthorized personnel can grant access.
ETH 2
ETH 2 is an Ethernet communication bus for connection of redundant
system hub (see wiring diagram in
Figure 3-16 on page 45 ). ETH 2 is
disabled for standalone systems, but enabled for connection to
redundant pair in redundant systems.
ETH 3 Service
Ethernet communication bus for service purposes. Use this port to
access the Web interface for the 2460 (see
“Using the web interface”
on page 114 ).
USB A 2.0 USB Port for USB stick. Can be used for saving log files.
SD card SD Memory card reader for saving log files.
Ground bar For connection of cable shields.