Description Of Functions; Block Model Of The Levelflex M - Endress+Hauser Fieldbus Levelflex M FMP41C Operating Instructions Manual

Appendix
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96
11.2

Description of functions

Note!
A detailed description of the function groups, functions and parameters is given in the
documentation BA245F – "Description of the instrument functions" on the enclosed CD-ROM.
11.3

Block model of the Levelflex M

The Micropilot M contains the follwoing blocks:
• Resource Block (RB2)
s. Operating Instructions BA013S: "FOUNDATION Fieldbus - Overview"
• Sensor Block (TBGRL)
contains the parameters relevant to the measurement of the Levelflex M
• Diagnostic Block (DIAG)
contains the diagnostic parameters of the Levelflex M
• Display Block (DISP)
contains the configuration parameters for the display module VU331
• Analog-Input-Block 1 bzw. 2 (AI)
scale the signal of the Transducer Block and transmit them to the PLCS
• PID Block (PID)
s. Operating Instructions BA013S: "FOUNDATION Fieldbus - Overview"
• Arithmetic Block (AR)
s. Operating Instructions BA013S: "FOUNDATION Fieldbus - Overview"
• Input Selector Block (IS)
s. Operating Instructions BA013S: "FOUNDATION Fieldbus - Overview"
• Signal Characterizer Block (SC)
s. Operating Instructions BA013S: "FOUNDATION Fieldbus - Overview"
• Integrator Block (IT)
s. Operating Instructions BA013S: "FOUNDATION Fieldbus - Overview"
11.3.1 Default Block configuration
The input and output variables of the blocks can be interconnected by a network configuration tool
(e.g. NI-Fieldbus configurator). The figure below shows, how these connections are set by default.
Sensor
signal evaluation
Sensor Block
Parameters that
describe the
device (calibration,
linearisation etc.)
Levelflex M FMP41C with FOUNDATION Fieldbus
Display
Physical Block
parameters of the
physical unit, e.g.
tag No.
Analog Input Function Block 1
parameters that are important to
Primary value the process control system,
e.g. scaling, status
(main value)
Analog Input Function Block 2
parameters that are important to
the process control system,
Secondary value
e.g. scaling, status
(distance)
PID Block
Automation
functions
OUT
OUT
L00-FMxxxxxx-02-00-00-en-002
Endress + Hauser