Rockwell Automation 1758-RTU202 DataSite Software User Manual FRN 1.2 - Manual (Page 274)

Publication 1758-UM002D-EN-P - October 2010
274 Extension Modbus Protocol for DataSite Controllers (1758-FLO)
Modbus Registers for Flow Configuration Parameters (RO)
Modbus addresses for flow configuration parameters
Meter Run Starting Address Parameter
Address Address Number
0 32101 X 100
1 32201 X + 100 100
2 32301 X + 200 100
3 32401 X + 300 100
4 32501 X + 400 100
5 32601 X + 500 100
6 32701 X + 600 100
7 32801 X + 700 100
Flow configuration parameters
Parameter Name Description Data Type Modbus Address
of Meter Run 0 = X
Enable Bit 0: Enable calculation
Bit 1: Enable accumulation
Bit 2: Parameter modification flag
Bit 3: Type of measurement unit. 0: imperial, 1: metric
Bit 4: Flag for usage of the automatic component analysis
instrument u_short 32101
CalInterval Calculation interval u_short 32102
piInterval BMP (base multiplier period) u_short 32103
dp_DPoint Data point configuration (differential pressure address or pulse) u_short 32104
p_DPoint Data point configuration (static pressure address) u_short 32105
t_DPoint Data point configuration (temperature address) u_short 32106
usAGA_Type AGA calculation method.
0: AGA3, 1: AGA7 u_short 32107
usTapLocation Tap location
0: Upstream, 1: Downstream u_short 32108
usPressType Pressure type
0: Gauge, 1: Absolute u_short 32109
usZ_mode AGA8 methods
0: Gas analysis, 1: HV-GR-CO2, 2: GR-CO2-N2 u_short 32110
usOrifice_Type Orifice material
0: Type 304 and 316 stainless steel, 1: Monel, 2: Carbon steel u_short 32111
usPipe_Type Tube material
0: Type 304 and 316 stainless steel, 1: Monel, 2: Carbon steel u_short 32112
usGr_Type AGA8 relative density condition type
0: Real, 1: Ideal u_short 32113