Omron ZX Series Operation Manual page 62

Reflective Sensor Heads: T M ode Functions
n Two-point Teaching
The middle point between the first teaching point and the second point is
set as a threshold. With two-point teaching, small steps, such as a sheet of
paper, can be measured.
Press the ENT
Key for the
first point.
First Point
Sensing object
42
Sensor Head
Teaching point 1
T1
Threshold
value
determined.
Threshold
Example: Two-point Teaching
Press the ENT Key
for a long time
for the second point.
Sensor Head
Second Point
Sensor Head
Threshold:
(T1 + T2)/2
Section 3-4
Teaching point 2
T2
Sensing object