VEGA POINTRAC 31 Foundation Fieldbus - Manual (Page 28)

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6 Set up with the display and adjustment module
POINTRAC 31 • Foundation Fieldbus
41779-EN-131119
This parameter is described in the operating instructions manual
"Display and adjustment module".
Here, you can retrieve the adjustment value of the sensor. This is the
percentage value of the max. pulse rate at which the sensor switches
over.
If you have carried out a single point adjustment, this is the entered
value. With a two-point adjustment, this is the calculated value.
The value is an indication for the reliability and reproducibility of the
switching point.
The greater the difference in the pulse rate between covered and
uncovered status, the greater the differential value (Delta I) and the
more reliable the measurement. The automatically calculated damp-
ing is also oriented around the Delta I value. The higher the value, the
lower the damping.
A Delta I value below 10 % is an indication for a critical measurement.
In this menu item you can simulate measured values via the current
output. This allows the signal path to be tested, e.g. through down-
stream indicating instruments or the input card of the control system.
Note:
To carry out a simulation with the display and adjustment module,
you have to switch on the simulation switch on the electronics module
(switch position 1).
You can find the rotary switch on the electronics module in the elec-
tronics and connection department (large cover).
You can simulate different values:
Pulse rate of the sensor
Switching function of the relay
Diagnosis - Adjustment
data
Diagnosis - Simulation