|
Description
The AP6050 LVDT Conditioning
Module provides synchronous
demodulation and conditioning
for Linear Variable Differential
Transformer (LVDT) transducers
used in the control, display,
and recording of motion.
The
AP6050 LVDT Transmitter provides
the AC sine wave excitation
(adjustable from 6-10V p-p nominally
4kHz) for LVDT operation. The
module transmits a DC voltage
or current output proportional
to the motion applied to the
input transducer.
|
 |
ZERO
AND SPAN ADJUSTMENTS
Zero and span are factory set,
but may be field adjusted (the
LVDT is assumed to be previously
calibrated). Zero is adjusted
for a zero output with the LVDT
at its mechanical null, or zero
displacement position. Span
is adjusted for a full scale
output with the LVDT at its
appropriate mechanical extreme,
or full displacement position.
Zero and span are each screwdriver
adjustable and accessible through
the top cover of the module.
EXCITATION
ADJUSTMENT
If zero and span adjustments
cannot calibrate the output
span appropriate to the LVDT
travel input signal, roughly
center zero and span adjustments
and set EXC as needed to boost
or decrease the LVDT's full
travel signal for zero and span
calibration.
|
