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Reference, Installation, and Operations Manual Section 5: Startup and meter configuration
3-9000-743 Rev S June 2013
Connect a Mark III Meter to a LAN via an Ethernet Hub 109
5.4.3 Connect a Mark III Meter to a LAN via an Ethernet Hub
When connecting a Daniel 3410 Series Gas Ultrasonic Flow Meter to a LAN via an Ethernet hub,
refer to the wiring diagram (see Appendix I, drawing DE-21056) for on wiring instructions the
Daniel Mark III Ultrasonic Gas Flow Meter Ethernet connector to one of the Ethernet hub ports.
Plug one end of the straight-through patch cable (from the LAN) into the hub UPLINK port.
Using Daniel MeterLink on the PC, either modify an existing meter directory record for the
meter (such as from initial communication set-up) or create a new meter directory record for
the meter. Modify the record’s Ethernet parameters to the user-configured values.
5.5 Serial port connections using RS-232 serial cable
Serial port configurations
For serial port communications, configure the data points listed in the table below using Daniel
MeterLink
Meter|Communications Settings menu path. Note that only Port A offers RTS/CTS
handshaking. All ports (when in slave mode) provide automatic protocol detection for the
following protocols:
• ASCII Modbus (7 data bits, even or odd parity, 1 stop bit)
• RTU Modbus (8 data bits, no parity, 1 stop bit)
• TCP/IP
The Ethernet adapter cable (Daniel P/N 3-3400-079) is specifically for connecting the Daniel
3410 Series Gas Ultrasonic Flow Meter to a PC Ethernet connector. It cannot be used to
connect the meter to an Ethernet hub.
Do not connect the Series 100 Option Board to the hub UPLINK port. Also, most hubs do not
allow use of the port immediately next to the hub UPLINK port when the UPLINK port is used
to connect the hub to a LAN.
Serial Port A is usually reserved for connection to an external flow computer or RTU. Serial
Port B is usually reserved for connection to a device, such as a personal computer, that can be
used to perform meter diagnostics, meter configuration, and other tasks not requiring
dedicated connection. Serial Port C, provided by the Series 100 Plus Option Board, can be
used for connection to a flow computer/RTU.