Rockwell Automation 1758-RTU202 DataSite Software User Manual FRN 1.2 - Manual (Page 278)

Publication 1758-UM002D-EN-P - October 2010
278 Extension Modbus Protocol for DataSite Controllers (1758-FLO)
float 4 C3H8 Propane
float 5 H2O Water
float 6 H2S Hydrogen sulfide
float 7 H2 Hydrogen
float 8 CO Carbon monoxide
float 9 O2 Oxygen
float 10 iC4H10 i-Butane
float 11 nC4H10 n-Butane
float 12 iC5H12 i-Pentane
float 13 nC5H12 n-Pentane
float 14 nC6H12 n-Hexane
float 15 nC7H16 n-Heptane
float 16 nC8H18 n-Octane
float 17 nC9H20 n-Nonane
float 18 nC10H22 n-Decane
float 19 HE Helium
float 20 AR Argon
Range of parameter values (Sum of all components must be within 1 +/- 0.0001 )
No. Name Range (in %)
AGA8 Detailed Method AGA8 Gross Method 1
and 2
1 CH4 0…100 —
2 N2 0…100 0…53.6
3 CO2 0…100 0…28.94
4 C2H6 0…100 —
5 C3H8 0…12 —
6 H2O 0…3 —
7 H2S 0…100 —
8 H2 0…100 0…100
9 CO 0…3 0…3
10 O2 0…21 —
11 iC4H10 0…6 —
12 nC4H10
Offset structure table (Continued)
Data Type Offset Name Description