Emerson Rosemount Ultrasonic 3410 Series, Руководство пользователя

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Table C-1: CPU Module Labeling and LED Functions (continued)
DHCP Dynamic Host Protocol
Server - enables you to
communicate with a
Rosemount
™ Ultrasonic
meter that is not
connected to a network.
When the CPU Module
switch is in the ON
position, the meter is
enabled to act as a DHCP
server for a single DHCP
client connected to the
Ethernet port using a
crossover cable. This
should be used for peer to
peer connections only.
When the connection is
made, select to use the
Meter Name in the meter
instead of the Meter
Directory Name in order to
keep all log files and
configurations separate
from each meter.
Switch position
• ON - the meter is
enabled to act as a
DHCP server for a
single DHCP client
•
OFF
- disables the
DHCP server
PORT A PORT A override - RS-232
serves as an override
during meter
commissioning to
establish communications
and in the event the user
cannot communicate with
the meter due to an
inadvertent
communication
configuration change. The
override period is for two
minutes. Supports:
• auto-detected ASCII
(Start bit 1, Data Bit 7,
Parity Odd/Even, Stop
Bit 1)
• RTU (Start Bit 1, Data
Bit 8, Parity none,
Stop Bit 1).
• Modbus protocols
RS-232 Baud
rate=19,200 Modbus
ID=32
Switch position
• ON - enables RS-232
PORT A override
• OFF - (default setting)
disables RS-232 PORT
A override
Upgrade kit instructions February 2022
58 3410 Series Electronics Upgrade kit instructions