Error And Status Signals - IBA ibaMS8xIEPE Manual

7.3.3

Error and status signals

The following table shows the error and status signals available in different operating
modes:
Status signal
Data valid
Error signal
Broken line
Shorted
7.3.3.1 Data valid
The "data valid" signal (TRUE) indicates, when the settling process of the corresponding
signal is completed.
If the measured input values are processed before the signal is TRUE, the resulting val-
ues may be falsified.
When an error occurs during IEPE operation (broken line, short circuit), the signal
changes to FALSE.
7.3.3.2 Broken line
The signal indicates both, a broken line and when a IEPE sensor is not connected.
When the sensor supply voltage exceeds 20 V, a broken line will be detected. After a
delay of 10 seconds the error signal "Broken line" changes to TRUE.
When the sensor supply voltage decreases below 20 V again, the error state will be reset
and the signal changes to FALSE with a 10 second delay.
7.3.3.3 Shorted
In case of a short circuit, this error signal changes to TRUE with a delay of 10 seconds.
When the short circuit is eliminated and the sensor is connected properly again, the error
state will be reset automatically and the signal changes to FALSE with a 10 second delay.
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Manual
IEPE AI-24 V AC
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Issue 1.3
AI-24 V DC
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