DURAG D-FL 200 - 8 Operating the D-FL 200-10 Evaluation Unit; (Fig. 19) Front Panel of the D-FL 200-10 Evaluation Unit

D-FL 200 / Rev. 6 17
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Industrie Elektronik GmbH & Co KG
8. Operating the D-FL 200-10 Evaluation Unit
The parameters can be entered both by pressing the four keys on the front panel as well as via the
RS232 interface.
RS232
(Fig. 19) Front panel of the D-FL 200-10 evaluation unit
The three upper LED’s indicate the following:
LED Display Display Functions
Measuring The system is in measuring-mode
Check Cycle The system is doing a check cycle
Limit Value The limit value is reached
The three lower LED’s indicate the following:
LED Display Display Functions
Display Select Display.
The operator may choose to display the gas velocity, operating volumetric flow,
standard volumetric flow and temperature. Measurement continues when
switching from one display to the next. The “Measurement” state contact is
closed and the “Maintenance”
state contact remains open.
Maintenance The “Maintenance” state contact is closed
Parameterisation Parameterisation
- the “Maintenance” state contact remains closed
- the parameters may be entered using menus on the display