FSM4000 ELECTROMAGNETIC FLOWMETER | DS/FSM4000-EN REV. L
—
… Transmitter
FOUNDATION Fieldbus® (FF)
Note
The FOUNDATION Fieldbus® protocol is an unsecured
protocol, as such the intended application should be
assessed to ensure that these protocols are suitable before
implementation.
B = Linking device (incl. bus supply and termination)
Figure 33: Example for FOUNDATION Fieldbus connection
interface
Compliant with FF standard 890/891 and FF
902/90
Interoperability test
campaign no.
Directly on the device
Via services integrated in the system
National configurator
Bus topology
• Tree and / or line structure.
• Bus connection: Passive at both ends of the main bus line
(RC element R = 100 Ω, C = 1 µF).
Voltage / current consumption
• Mean current consumption: 10 mA.
• In the event of an error, the FDEfunction (= Fault
Disconnection Electronic) integrated in the device makes
sure that the current consumption cannot exceed a
maximum of 13 mA.
• The upper limit of the current is electronically restricted.
• The voltage on the bus line must lie in the range of
9 to 32 V DC
Bus address
The bus address is automatically assigned or can be set in
the system manually.
Addresses are detected using a unique combination of
manufacturer ID, device ID, and device serial number.
System integration
The following are required:
• DD (Device Description) file, which includes the device
description.
• CFF (Common File Format) file is required for
engineering the segment. Engineering can be
performed online or offline.
For additional information, see the separate interface
description.
The files required for operation can be downloaded from
http://www.fieldbus.org.
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