Lvdt Output - Siemens SITRANS WFS320 Operating Instructions Manual

Commissioning

6.2 LVDT Output

6.2 LVDT Output
Zero adjustment (if required)
1. Connect a voltmeter across the LVDT green and yellow (or yellow and white; hazardous
LVDT) wires.
2. With no load applied to the sensing plate, observe the V AC reading on the voltmeter.
3. If the LVDT output is 0.10 ± 0.05 V AC, skip to Span Test, otherwise, proceed as follows:
– Loosen the locknut on the LVDT threaded core.
– Turn the core in/out of the LVDT until 0.10 ± 0.05 V AC is obtained.
– Tighten the locknut, ensuring the measured value is maintained.
①
②
Note
Ensure the new position of the LVDT core allows free movement within the LVDT bore.
26
Locknut
Moving beam
③
LVDT core
④
LVDT
Operating Instructions, 02/2016, A5E32880290-AB
SITRANS WFS320