The document discusses different types of optical, inductive, capacitive, and magnetic sensors. It provides diagrams of various sensor configurations including retroreflective and diffuse optical sensors, inductive proximity sensors using magnetic fields, capacitive sensors for liquid level detection, and reed switches. Application examples are given for position, presence, and proximity detection.
63. Connection Resonant High LED
cable circuit coil frequency Indicator
magnetic
field
64.
65.
66.
67.
68.
69.
70.
71.
72.
73. Sensor is looking Electrostatic
for a change in field
capacitance in the Active
active field surface
Active
electrode
Earth
electrode
LED
indicator
Adjusting
screw
Connection
cable