Rockwell Automation 1758-RTU202 DataSite Software User Manual FRN 1.2 - Manual (Page 303)

Publication 1758-UM002D-EN-P - October 2010
Extension Modbus Protocol for DataSite Controllers (1758-FLO) 303
There is no event code for command number 18.
Command Number 19: Set Up the Gas Component Parameter
Use command number 19 to set up the gas component parameters for each
meter run.
49063 u_short R Relative density type
0: Relative density
1: Ideal density
49064 float R Relative density
49066 float R Reference pressure for measuring relative
density
49068 float R Reference temperature for measuring
relative density
49070 float R AGA8 gas heating value
49072 float R Reference temperature for gas heating
value
49074 u_short R Interval for collecting the components from
analysis instrument automatically (valid
only when automatic component analysis
instrument setting is enabled)
Return codes for command number 18
Return Code Description
00 OK
01 Meter run is invalid
100 Pass code is incorrect
Other Invalid
Parameters for command number 19
Address Data Type Attribute Description
49025 u_short RW 19
49026 u_short R Return code
0: OK
49027 u_short W Meter run (0…7)
49028 u_int W Pass code for user
49030…49034 — — Reserved
49035 float W CH4
49037 float W N2
Parameters for command number 18 (Continued)
Address Data Type Attribute Description