Modbus System Configuration - Siemens SITRANS SL Operating Instructions Manual

Continuous gas analysis, in situ laser gas analyzers
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3.2.4

Modbus system configuration

Figure 3-3
Example of a system configuration with modbus
System features:
● The SITRANS SL is controlled by the automation system via Modbus.
● The measurement results of the SITRANS SL are output to the automation system via
● When external sensors are to be connected the first choice is to use Modbus although
● A PC/PG used for the configuration of the automation system is connected to this
SITRANS SL
Operating Instructions, 12/2010, A5E01132948-04
Automation system
with Modbus master
Modbus.
connection via the analog input of SITRANS SL is also possible.
automation systemvia an MPI cable.
Application planning
3.2 Network and system integration
37

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