40 Rockwell Automation Publication 440R-UM012E-EN-P - November 2018
Chapter 8 Proximity Sensors and Targets
Figure 32 - Proximity Mark (Space Dimensions)
(1) The spacing distance depends on the type of proximity sensor. Verify the requirements of your proximity sensor.
Figure 33 - Target Wheel Example 1
Figure 34 - Target Wheel Example 2
Targets do not necessarily have to be gear tooth. Figure 35 shows an example of
a wheel with holes. The hole is equivalent to a space and the wheel is the mark.
Figure 35 - Target Wheel Example 3
<= 0.8 Sn
>= 3 Sn
d
>= 3d
>= 2d
SpaceMark
Prox
>= 4d
d
Prox
Recommended for all
Logic settings
Not recommended
Both proximity sensors are OFF simultaneously.
Alternating Not Alternating
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