The measuring box EC-TFV is suitable for the connection of inductive probes. The supported probe type can be found on the type plate.
The connections for the inductive probes are located on the front of the measuring box.
In addition to the Standard LEDs, this Box has a "Probe"-LED:
LED "Probe" / red: Signalling a probe error |
|
Off |
Everything ok or no error recognizable. |
On |
Short circuit of the probe supply. |
Data acquisition
All measuring inputs are sampled synchronously (no multiplexing). The measurement method takes the complete measurement signal into account (i.e. integrating measurement). Compared to the frequently used 1-point or 2-point sampling, this method has the advantage that its sensitivity to interference is much better. The analog filter used in this measuring method is designed for the mechanical properties of the respective probe.
For technical reasons, different input channels never have exactly the same measured value with an identical input signal. In order to enable a trouble-free change of the input channel or an exchange of the Irinos box, the measuring inputs are digitally pre-calibrated at the factory. The adjustment is made in such a way that the measured value -32,000 is supplied for the maximum negative nominal deflection, the measured value 0 for the middle of the probe and +32,000 for the maximum positive nominal deflection.
The internal data type is "16 Bit signed integer".
Digital value |
Probe deflection Tesa HalfBridge GT21 Sensitivity: 73.75mV/V/µm |
Probe deflection Tesa HalfBridge GT61 Sensitivity: 29.5mV/V/µm |
|---|---|---|
- 32,000 |
- 2000 µm |
- 5000 µm |
0 |
0 µm |
0 µm |
+32,000 |
+ 2000 µm |
+ 5000 µm |
+32,767 |
Probe error detected |
|