Panasonic EX-21 Series - Slit Mask (Thru-Beam Type (;; (; ); 7 Option

19
7.
Option

 , the sensor can detect a small object.
However, the sensing range is reduced when the slit mask is mounted.
Type
Model No.
Slit size
Sensing distance Min. sensing object
Slit mask Slit size
Slit on one side Slit on both side Slit on one side Slit on both side
Round
slit mask
OS-EX20-05 EX21
ø0.5mm
200mm 40mm ø2.6mm ø0.5mm
OS-EX20E-05 EX-23 350mm 70mm ø3mm ø0.5mm
Rectan-
gular slit
mask
OX-EX20-05×3 EX-21
0.5 × 3mm
600mm 300mm ø2.6mm 0.5 × 3mm
OX-EX20E-05×3 EX-23 800mm 400mm ø3mm 0.5 × 3mm
 The slit mask should be mounted on the product before mounting the sensor.
Mounting method
1. 
2. Align the mounting holes of the slit mask and the sensor and mount with two M3 screws
[in case of EX-21
The tightening torque should be 0.5N·m or less.

Slit mask
OS-EX20-
(Optional)

Slit mask
OS-EX20E-
(Optional)
M3 screws

M3 screws

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