Recommended Specifications For The Monitor Cable - Allen-Bradley 1442 User Manual

Eddy current probe system
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Recommended
Specifications for the
Monitor Cable
Cable Name
CVVS 3 core shielded cable (straight)
3 line multiple core cable for light electrical instruments
(individually shielded)
c. After adjustment, tighten the sensor jam nut to the specified torque
value (see table on
ATTENTION: Always tighten the lock nut at the specified torque.
The measurement precision described in the specifications will be satisfied
TIP
approximately five minutes after turning on the power.
Use a commercially sold cable to connect the probe driver to the monitor. A
CVVS 3 core shielded cable (straight) is recommended, but if it is not available, a
3 line multiple core cable for light electrical instruments (individually shielded)
can be used. Use 0.75 mm
Rockwell Automation Publication ICM-UM004C-EN-E - February 2014
page
30).
2
2
...1.25 mm
(18...16 AWG) cables.
Note
The CVVS 3 core shield is also recommended in the API Standard 670.
Recommendation: Copper tape shield (core wire; soft copper wire); (Normally,
silver plated braid)
Use conduit pipe (cable rack) for wiring.
Recommendation: Outer shield is aluminum tape, copper tape shield
The multipair cable can contain a mixture of vibration signals and displacement
signals. However, vibration signals for a high amplitude vibration can affect other
vibration signals and displacement signals negatively; and these need to be
wired on a separate cable.
Installation
Chapter 1
37

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