ST100A Series Flow Meter OPERATION
Fluid Components International LLC 83
Modbus Exception Codes Table
Table 24 below summarizes the possible Modbus exception codes for the ST100A Series.
Table 24 – ST100A Series Modbus Exception Codes
02 Illegal Data Address
The Data address received in the query is not an
allowable address for the master/slave
03 Illegal Data Value
A value contained in the query data field is not an
allowable value for master/slave
Modbus Variables and Registers Map Table
Table 25 below summarizes the Modbus variables and registers for the ST100A Series.
Table 25 – ST100A Series Modbus Variables and Registers Map
Variables/Parameter
Register
Data Type Access
Flow MS (of float32 value)
Flow LS (of float32 value)
Temp. MS (of float32 value)
Temp. LS (of float32 value)
Totalizer1 MS (of float64 value)
Totalizer1 LS (of float64 value)
Totalizer2 MS (of float64 value)
Totalizer2 LS (of float64 value)
Pressure MS (of float32 value)
Pressure LS (of float32 value)
Totalizer Modulo MS (of float32 value)
Totalizer Modulo LS (of float32 value)
Totalizer Rollover MS (of float32 value)
Totalizer Rollover LS (of float32 value)
Reset Totalizer (input “ABCD” hex)
Enable/Disable Totalizer (1 = Enable, 0= Disable)
Totalizer MS (of float64 value)
Totalizer LS (of float64 value)
To Next Page
Loading...
Need help?
General
