Siemens SITRANS SL - SITRANS SL Modbus Map for Gas Measurement

Interfaces to automation systems
8.2 Modbus interface
SITRANS SL
Operating Instructions, 12/2010, A5E01132948-04
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8.2.2 SITRANS SL Modbus map for gas measurement
Information from the SITRANS SL can be transferred to a PC/PG via the Modbus.
Measurement values, status signals and also signals of analog and digital inputs and outputs
are thus available for further usage.
Overview of used register numbers (Standard Modbus)
Modicon-modbus-
address
Type Data Address Description
30001 Input Register (R) 0 Process data
30101 Input Register (R) 100 Device Status
40001 Holding Register (R+W) 0 Input process data
Example
The first Holding Register, number 40001, has the Data Address 0000. Offset is 1.
Overview of used register numbers (Enron Modbus)
Modicon-modbus-
address
Variable type Data Address Description
3001 16 bit Short integer (R+W) 3000 Process data
5001 32 bit Long integer (R+W) 5000 Process data
7001 32 bit Floating point (R+W) 7000 Process data