12
4. Troubleshooting the Linear Displacement Transducer
Use the below checklist when operational problems are encountered. The possible causes of faulty out-
put are listed below in order of probability of occurrence, and should be checked in order.
1. Improper power supply/power connection
2. Mismatched system components*
3. Ground loops/improper grounding*
4. Improper wiring
5. Incorrect receiver device or software*
6. Improper magnet mounting
7. EMI noise, affecting transducer or transducer cable
8. Circuit fault within transducer
* Will cause erratic or unstable output
Figure 4-1
Temposonics II Transducer Signals
(-) Interrogation pulse sent to LDT (Pin 10)
(+) Interrogation pulse sent to LDT (Pin 9)
Return pulse from LDT (pin 8)
1ms
1ms
1ms
20ms
15ms
20ms
Update Time
NOTE:
The following checklist is for general
diagnostic purposes. Purchase of replace-
ment components should not be based
solely on this checklist. Consult MTS
Sensors Division for recommendations
and factory service before ordering
replacement components.
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