Operation
6.3 Measuring menu
SITRANS DA400 for material flow monitoring with protection against explosion
Operating Instructions, 09/2007, A5E00841152-01
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4.
Briefly press the <MEAS> button. This returns you to the measuring menu.
5.
Setting the measurement channel
Use the and buttons to select the measurement channel which you wish to test.
Measurement channels 1 to 4 (1/So1 to 4/So4) are possible. For example, if
measurement channel 1 is selected, "1/So1" is displayed to the right in the middle section
of the digital display. "tESt" is shown in the lower section of the digital display.
6.
Create a test noise, for example by knocking on the sensor with a screw driver or blasting
the sensor with compressed air.
7.
Check whether the measured value displayed to the left in the middle section of the
digital display has increased. The maximum measured value generated is saved and
displayed in the digital display. The measured value is reset to zero by pressing the
<ACK> button for 5 seconds.
8.
Switch to the measurement mode to exit the test mode
Switch to the parameter menu by pressing the <PAR> button for five seconds. The
parameter "P.1" (SoCH1) remains selected.
9.
Using the and buttons, set the parameter value "on L", "on H", "on_L" or "on_H".
10.
Briefly press the <MEAS> button. This returns you to the measuring menu.
Note
Exiting the test mode
The test mode is not automatically exited. This must be carried out manually via
parameterization. This takes place via parameters P.1 to P.4.
Note
Timers
If pre or main alarms are set in test mode, the timers count the trace function. These
counters must be manually reset if necessary.
See also
6.3.5
Universal inputs
6.3.5.1
General
The four universal inputs are used to monitor analog signals and digital signals for limit
values.
