Configure Gas Chromatograph Parameters - Emerson Daniel 3410 Series Operation Manual

Section 5: Calibrate and configure the meter
January 2018
5.11

Configure Gas Chromatograph parameters

Use the
checkbox. Configure the following parameters to setup a serial port as a Modbus master for
polling a GC.
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Meter|Field Setup Wizard
Serial Port - Select which serial port will be connected to the GC. While the port is
configured for communications to a GC, it will not act as a Modbus slave device for
communications from Daniel MeterLink or a SCADA system.
GC protocol - Select the protocol for which the GC is configured. The Daniel Gas Ultrasonic
meter uses 7 data bits, Even parity, and 1 stop bit for ASCII Modbus and 8 data bits, No
parity, and 1 stop bit for RTU Modbus.
GC baud rate - Select the baud rate for which the GC is configured.
GC comms address - Enter the Modbus ID of the GC.
GC stream number - Enter the stream number for the gas composition the Daniel Gas
Ultrasonic meter will read.
GC heating value units - Select the units for which the heating value is configured in the
GC.
– Btu/ft3
– kJ/m3
– kJ/dm3
– MJ/m3
– kCal/m3
– kWh/m3
GC heating value type - Select the type of heating value the GC will return.
– Btu-Dry
– Btu-Saturated
– Btu-Actual
Gas composition on GC alarm - Select which gas composition the Daniel Gas Ultrasonic
meter will use if the GC goes into alarm.
– Fixed - if selected, the meter will start using the fixed gas composition stored in the
meter
– Last Good Value - if selected, the meter will use the last gas composition collected
from the GC before the GC started to report alarms.
3410 Series Gas Ultrasonic Meters Operations Manual
menu and enable the
View Gas Chromatograph setup
3-9000-777 Rev E
Configure Gas Chromatograph parameters