Emerson Daniel 3410 Series Operation Manual page 19

Operations manual
DAN-20057316
• Select the checkbox to create a subfolder with the meter's name under Data folder for
saving and opening files for your meter
• Display units (of measurement); U.S. Customary or Metric for necessary unit
conversions read by the meter
• Meter volume units; gal, cubic feet, or bbl
• Prompt to save meter config (configuration) prompts you to save a copy of the meter
configuration after writing changes to the meter
• Run Connect dialog automatically after connecting
• Run Meter Monitor automatically after connecting
• Run Meter Monitor summary or detailed view after connecting
• Edit telephone number before connecting with a modem
• Use FTP passive mode (client - server pot communications)
• FTP-only connection - used to download firmware to Daniel Ultrasonic meters
• Tab from spreadsheet to next control instead of next cell
• TCP/IP meter connection database timeout - amount of time Daniel MeterLink waits to
respond to a request for data from the meter database (default 13 seconds)
• Override system default printer - used to change printer
• Product type preference - meter type you will most often connect, gas or liquid.
2.1.2 Setup Modbus communications
Daniel 3410 Gas Ultrasonic Flow Meters support RS-232 or RS-485 4-wire or 2-wire half
duplex serial interface to an external system (e.g., flow computer) using Modbus ACSII
protocol with the following parameters:
Setting
Baud rate
Data bits
Stop bits
Parity
Protocol
Refer to your flow computer user manual to set I/O settings required to allow serial
communication with the Daniel 3410 Gas Ultrasonic Flow Meters.
The Daniel 3410 Gas Ultrasonic Flow Meters supports ASCII and RTU Modbus
communication. For ASCII Modbus, both 7E1 and 7O1 are supported. For RTU Modbus,
8N1 is supported. The communication ports provide automatic protocol detection - only
the baud rate and Modbus ID need to be specified. Also, refer to the Daniel website and
select the Product page for the model of your meter:
https://www.emerson.com/en-us/automation/daniel
Model 3418 GUSM
Value
19200
7
1
even
Modbus ACSII
Communications
January 2019
19