Model 2000 Flow Computer Instruction Manual
APPENDIX 3 GAS CHROMATOGRAPHS SUPPORTED
Model 2000 issue 21 Page No
83
APPENDIX 3g ABB Model 3100 Chromatograph.
Model 2000 will read the following Coil addresses, to determine what mode the Analyser is in Coil Addresses Read using
Modbus Function 01
Address Function
1 Analyser Available 0 = Not Available 1 = Available
2001 New Data Available 0 = Not Available 1 = Available
101 Analyser in Cal Mode 0 = Not in Cal Mode 1= In Cal Mode
If it is not available or in the Cal mode or no new data is available, then the unit will continue to read those coils until the
Analyser is available, and is not in cal mode and new data is available. Then it will read Gas Coil Data and Gas Register
Data, any Not Valid components will not be used and the FC2000 default will be used instead. All Valid Data will be used.
3001 C5+ Valid flag 0 = Not Valid 1= Valid
3002 N2 Valid Flag 0 = Not Valid 1= Valid
3003 Methane Valid Flag 0 = Not Valid 1= Valid
3004 CO2 Valid Flag 0 = Not Valid 1= Valid
3005 Ethane Valid Flag 0 = Not Valid 1= Valid
3006 Propane Valid Flag 0 = Not Valid 1= Valid
3007 i Butane Valid Flag 0 = Not Valid 1= Valid
3008 n Butane Valid Flag 0 = Not Valid 1= Valid
3009 Gross Heating Valid Flag 0 = Not Valid 1= Valid
3010 Normal Heating Value Valid Flag 0 = Not Valid 1= Valid
3011 SG Value Valid Flag 0 = Not Valid 1= Valid
3012 Sum of Components Valid Flag 0 = Not Valid 1= Valid
Register addresses Read using Modbus Function 03 Returns a 16 bit Unsigned Integer Value Scaled 0 to 9999
Address Function Units Scale Full Scale
3002 C5+ Molar % 2%
3003 N2 Molar % 2%
3004 Methane Molar % 100%
3005 CO2 Molar % 5%
3006 Ethane Molar % 5%
3007 Propane Molar % 2%
3008 i Butane Molar % 1%
3009 n Butane Molar % 1%
3010 Gross Heating Value BTU 10000 BTU
3011 Normal Heating Value BTU 10000 BTU
3012 SG 2
3013 Sum of Components % 2
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