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HART Multiplexer System KFD*-HM*-16
Configuration
36
Parameterizing of the scan function
Double-Click in the project window with mouse button on Multiplexer.
Open the Scan menu.
The Scan window is indicated.
The scan function is used by the HART Multiplexer to cyclically retrieve data from the
connected field devices which are saved in the memory. When these values are
queried by the control system, they can be retrieved faster because the device need
not be read out as the values can be taken directly from the memory.
The following parameters are adjustable:
•
Mode: The wireless scan is switched on or off here.
•
Command: Here select which values are to be read from the field devices:
–
Primary variable: Now the primary variable only will be read-out.
–
Current value: The current value is read-out in mA.
–
All variables: All variables of the field device are read-out.
Figure 6.7
Scan function window
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