Section 5 Maintenance and Inspections
VM-21P 3-Wire LVDT Signal Conditioner Instruction Manual
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Section 5 Maintenance and Inspections
The maintenance and inspections for this product are explained in this section.
5.1 Regular
inspections
Recommend corrections once annually to maintain product performance and ensure system
stability.
Refer to “Section 4 Corrections” for more information about the procedure for performing
corrections. (
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Page 28)
5.2 Product
life
As long as there are no abnormalities with the product, in the case of using in room temperature
(25
°
C), it should have a recommended service life of 10 years.
Product life decrease as room temperature increases.
Point
Service life may be shorter than 10 years due to the surrounding
environment. To ensure system stability, it is recommended to replace the
product earlier when necessary.
5.3 Troubleshooting
Solutions for possible trouble with this product are described below.
Symptom Possible
Cause
Solution
The power supply is not
turned on.
Turn on the power supply.
Cable or Connection of
LVDT is breaking.
Confirm connection of cable or LVDT.
Output dose not out more
than 10 seconds.
Wires have not been
connected correctly.
Refer to “Section 3.3 Connecting
wires” to connect wires correctly.
(
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Page 20)
Core of LVDT drop out.
Confirm LVDT.
Input/output conversion
precision is not in line with
the specifications.
Corrections have not
been performed
correctly.
Refer to “Section 4 Corrections” to
perform corrections. (
☞
Page 28)
