Adjust The Gap - Allen-Bradley 1442 User Manual

Eddy current probe system
Table of Contents

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Chapter 1
Installation
Table 2 - Torque Requirements
Sensor
1442-PS-05xxM (5 mm metric)
1442-PS-05xxE (5 mm English)
1442-PS-08xxM (8 mm metric)
1442-PS-08xxE (8 mm English)
1442-PS-11xxM (11 mm metric)
1442-PS-11xxE (11 mm English)
1442-PS-18xxM (18 mm metric)
30

Adjust the Gap

Adjust the gap by using the following procedures.
After completing all wiring connections, you can perform gap adjustment
TIP
by using a tester.
Make sure to fully understand the content described in this chapter and
complete all connection work, then perform the gap adjustment by using
the
1.
Refer to Standard Static Characteristics on page
matching the gap to produce the desired characteristics.
Consider the following items for the gap:
• Set the gap so that even when the target is at the nearest point to the
sensor, the target does not come into direct contact with the sensor.
• Set the gap so that it does not go beyond the linear range of the
connection monitor.
2. Being careful not to scratch the sensor top and target surface, insert the gap
gage between the sensor top and target.
3. Adjust the sensor to a position where the gap gage just moves freely, and
affix in place with the jam nut.
4. Tighten the jam nut with the following torque.
Example
1442-PS-0503M0010N
1442-PS-0512E0010N
1442-PS-0803M0010N
1442-PS-0812E0010N
1442-PS-1104M0510N
1442-PS-1116E0510N
1442-PS-1805M0510A
Rockwell Automation Publication ICM-UM004C-EN-E - February 2014
Set Gap Voltage
procedures on
page
Tightening Torque
N•m
kgf-cm
4
41
1.4
15
8.5
87
6.8
69
26.1
266
18.6
190
58.8
600
35.
41, and prepare a gap gage
lb•in
35.4
12.4
75.2
60.2
231
164
520

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