Siemens ULTRAMAT 23 Series - Profibus Dp;Pa

Interface parameters
Value
Level RS485
Baud rate 9600
Data bit 8
Stop bit 1
Start bit 1
Parity None
No information feedback
3.7.3 PROFIBUS DP/PA
PROFIBUS DP/PA is the leading 󹪝eldbus on the market. All Siemens gas analyzers with an optional
– also retro󹪝ttable – plug-in card are Pro󹪝bus-compatible and comply with the binding "Device
pro󹪝le for analyzers" de󹪝ned by the PNO (PROFIBUS International). Central access to the system
analyzers is possible with the SIMATIC PDM software tool.
"Fieldbus" is the name of a digital communication system with which distributed 󹪝eld devices of
a system are linked to each other over a single cable and are simultaneously connected to
programmable controllers or a process control system.
The PROFIBUS-DP version is widespread in factory automation due to its high transmission speed
per device, while PROFIBUS-PA takes the required properties of process engineering into
account, such as use in hazardous areas.
The bene󹪝t is the considerable savings potential in all areas of the system, covering project
planning and commissioning, operation and maintenance, up to subsequent system extensions.
Operation of the gas analyzers from a control system or a separate PC is possible with the
SIMATIC PDM software tool (Process Device Manager). This software runs on Windows and can
also be integrated in the SIMATIC PCS 7 process control system. With this, the integration of the
devices in the system as well as the complex parameter structure of the analyzers can be clearly
illustrated.
PROFIBUS International (PNO) is an independent institution and represents the interests of
many manufacturers and users. This organization o󹪜ers services such as consulting, training
and device certi󹪝cation, and understands its primary job as the further development,
standardization and promotion of PROFIBUS technology. The binding functionality de󹪝nition for
a device class in the form of a pro󹪝le is the condition for standardized device behavior from
various manufacturers, the so-called interoperability. The binding pro󹪝le for analyzers was
de󹪝ned at the end of 1999. With this, the interaction of all PROFIBUS-compatible devices of a
system is guaranteed.
In this pro󹪝le, the functionalities of the analyzers are de󹪝ned in a block model: for example, the
physical block describes the measuring procedure, analyzer and manufacturer name, serial
number and the operating state (operation, maintenance). Di󹪜erent functional blocks contain
the execution of certain functions, such as measured value and alarm processing. The
transducer blocks describe the function of the actual measuring process, as well as its control,
e.g. the pre-processing of a measured value, correction of cross-interferences, characteristics,
measuring ranges, as well as switching and control processes. The data transmission between
the bus participants is de󹪝ned in protocols.
Description
3.7 Communication
ULTRAMAT 23
60 Equipment Manual, 04/2022, A5E37100388-012