Measuring Ranges - Siemens FIDAMAT 6 Operating Instructions Manual

5.3.3 Measuring ranges

40 Select measuring ranges
FIDAMAT 6 gas analyzer
Operating manual –A5E00222135-01
Sequence of AUTOCAL check
1.
Input the desired calibration tolerances in the "AUTOCAL check"
menu. If necessary, select the relay output and binary input for
"AUTOCAL check".
2. Start the "AUTOCAL check" by the key in the "AUTOCAL check"
menu or via binary input.
3. The unit now performs a run as parameterized in the "AUTOCAL
sequence".
4. Should an calibration limit be crossed, maintenance request W10
will be issued and also, if parametried, the relay "Acal Chk Dif."
set.
5. Following a fault-free AUTOCAL run they will both be reset.
W10 will be retained in the logbook.
When the measuring range functions are selected in the main menu by
pressing the third soft key ("Measuring ranges") the adjacemt display
appears.
It is possible to select a fixed measuring range or to switch over to
automatic measuring range changeover. All possible selections are
subject to mutual interlocking.
Automatic measuring range changeover is possible under the following
conditions:
•
At least two measuring ranges must be available. A measuring
range is deemed present when:
•
measuring range initial value ≠ full-scale value
•
The measuring spans must be made larger
•
The measuring range must adjoin each other or overlap
This yields the following permitted measuring range arrangements which
are shown in the following diagrams:
Operation
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