CenterLine VeriFast LVDT, Руководство пользователя

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42
VeriFast
TM
LVDT – User Manual – FDP-VFA-LVD-UM-EL-1.15-0918
Table 4 – Troubleshooting the VeriFast LVDT
Problem
Hint Suggestion
Power ON, but no
signal or value from
VeriFast unit
Is the VeriFast LVDT
unit connected / wired
properly?
Confirm that the connection of the cable is
fastened completely and firmly.
Check the cable between the VeriFast LVDT
unit and network connection for damage or
compromise of integrity.
Check control power supply.
Refer to Table 1 on page 22 and Table 2 on
page 22 to ensure correct wiring.
Cannot “Calibrate”
Is the VeriFast LVDT
assembly connected?
Confirm wiring between the module and the
main panel. See Table 1 on page 22.
Verify operation LEDS of signal conditioner
are in proper operating state. Refer to Table 3
on page 23.
Confirm that the connecting cable is fastened
completely and firmly.
Is the Weld Pin correct?
Verify that the LVDT connecting rod and core
is present and firmly attached to the Weld Pin.
Measurement
Value will not
respond to Pin
movement
Is the VeriFast LVDT
unit connected / wired /
calibrated properly?
Confirm wiring of the field connector. See
Table 2 on page 22.
Confirm proper wiring of the signal
conditioner. See Table 1 on page 22.
Refer to Table 3 on page 23 to ensure correct
wiring.
Confirm proper calibration according to the
length of weld pin stroke (22 mm or 50 mm).
Re-calibrate if necessary as shown in
Re-
Calibrating the Signal Conditioner (If
necessary)
section starting on page 24.
Measurement
Value responds but
with reduced
resolution and
reverse of
expected travel
Is the VeriFast LVDT
unit connected / wired /
calibrated properly?
To confirm wiring, refer to Table 1 on page 22
and Table 2 on page 22.
Re-calibrate the signal conditioner (see Re-
Calibrating the Signal Conditioner section on
page 24.