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Daniel 3410 Series Ultrasonic Gas Flow Meter Installation Manual Section 3: Electrical installation
3-9000-759 Rev D June 2014
Wiring and I/O 51
3.5 Wiring and I/O
Daniel MeterLink uses the TCP/IP protocol to communicate with the Daniel 3410 Series
Ultrasonic Gas Flow Meter electronics instead of Modbus ASCII or RTU. The TCP/IP protocol only
works across either Ethernet, RS-485 full duplex (4-wire) or RS-232. Daniel MeterLink
can
communicate with multiple meters if they are multi-dropped using 4-wire, full duplex RS-485
mode. The meter electronics is HART capable and provides communication flexibility with
Daniel 3410 Series Gas Ultrasonic Flow Meters.
Note: Port B for RS-485 full duplex communication is not supported.
The HART® output provides communication with other field devices (e.g., Field Communicator
and AMS™ Device Manager software) and ultimately, communicates key diagnostic information
through PlantWeb® architecture.
The Daniel 3410 Series Gas Ultrasonic Flow Meter electronics auto-detects the protocol used
and automatically switches between TCP/IP, Modbus ASCII, and Modbus RTU so it is not
necessary to make any meter configuration changes to the protocol.
If not using Ethernet, a full duplex serial connection is necessary for Daniel MeterLink to
communicate with a Daniel 3410 Series Gas Ultrasonic Meter.