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Ultra-compact Photoelectric Sensor EX-20 Ver.2

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Option

Sensing characteristics

Cautions For Use

Option

Designation		Model No.	Description
Round slit mask (For thru-beam type sensor only)	For front sensing type	OS-EX20-05 (Slit size ø0.5mm 0.020 in)	Slit on one side	・Sensing range: 200 mm 7.874 in ・Min. sensing object: ø2.6 mm ø0.102 in
	For front sensing type	OS-EX20-05 (Slit size ø0.5mm 0.020 in)	Slit on both sides	・Sensing range: 40 mm 1.575 in ・Min. sensing object: ø0.5 mm ø0.020 in
	For side sensing type	OS-EX20E-05 (Slit size ø0.5mm 0.020 in)	Slit on one side	・Sensing range: 350 mm 13.780 in ・Min. sensing object: ø3 mm ø0.118 in
	For side sensing type	OS-EX20E-05 (Slit size ø0.5mm 0.020 in)	Slit on both sides	・Sensing range: 70 mm 2.756 in ・Min. sensing object: ø0.5mm ø0.020 in
Rectangular slit mask (For thru-beam type sensor only)	For front sensing type	OS-EX20-05x3 (Slit size 0.5 x 3 mm 0.020 x 0.118 in)	Slit on one side	・Sensing range: 600 mm 23.622 in ・Min. sensing object: ø2.6 mm ø0.102 in
	For front sensing type	OS-EX20-05x3 (Slit size 0.5 x 3 mm 0.020 x 0.118 in)	Slit on both sides	・Sensing range: 300 mm 11.811 in ・Min. sensing object: 0.5 x 3 mm 0.020 x 0.118 in
	For side sensing type	OS-EX20E-05x3 (Slit size 0.5 x 3 mm 0.020 x 0.118 in)	Slit on one side	・Sensing range: 800 mm 31.496 in ・Min. sensing object: ø3 mm ø0.118 in
	For side sensing type	OS-EX20E-05x3 (Slit size 0.5 x 3 mm 0.020 x 0.118 in)	Slit on both sides	・Sensing range: 400 mm 15.748 in ・Min. sensing object: 0.5 x 3 mm 0.020 x 0.118 in
Reflector (For retroreflective type sensor only)		RF-210	・Sensing range: 50 to 400 mm 1.969 to 15.748 in ・Min. sensing object: ø30 mm ø1.181 in
Reflector mounting bracket		MS-RF21-1	Protective mounting bracket for RF-210 It protects the reflector from damage and maintains alignment.
Reflective tape (For retroreflective type sensor only)		RF-11	・Ambient temperature: –25 to +50 ℃ –13 to +122 ℉ ・Ambient humidity: 35 to 85 % RH [Notes] ・Keep the tape free from stress. If it is pressed too much, its capability may deteriorate. ・Do not cut the tape. It will deteriorate the sensing performance.		・Sensing range: 70 to 200 mm 2.756 to 7.874 in
Reflective tape (For retroreflective type sensor only)		RF-12			・Sensing range: 60 to 280 mm 2.362 to 11.024 in
Sensor mounting bracket		MS-EX20-1	Back angled mounting bracket for front sensing type sensor (The thru-beam type sensor needs two brackets.)
		MS-EX20-2	Foot angled mounting bracket for side sensing type sensor (The thru-beam type sensor needs two brackets.)
		MS-EX20-3	L-shaped mounting bracket for front sensing type sensor (The thru-beam type sensor needs two brackets.)
		MS-EX20-4	Back angled mounting bracket for side sensing type sensor (The thru-beam type sensor needs two brackets.)
Universal sensor mounting bracket (Note 1)		MS-EXL2-4	For EX-22/23/26/28/29□	It can adjust the height and the angle of the sensor. (The thru-beam type sensor needs two brackets.)
Universal sensor mounting bracket (Note 1)		MS-EX20-5	For EX-23□ only
Universal sensor mounting bracket		MS-EX20-FS	It is used when mounting the front sensing type from the rear side. (One set consists of 10 pcs.)
Sensor checker (Note 2)		CHX-SC2	It is useful for beam alignment of thru-beam type sensors. The optimum receiver position is given by indicators, as well as an audio signal.

Note 1 :	Note that the axis position of EX-23□ is different when replacing the mounting bracket MS-EX20-5 with MS-EXL2-4.
Note 2 :	Refer to the sensor checker CHX-SC2 page for details.

Round slit mask

OS-EX20-05

Fitted on the front face of the sensor with one-touch.

OS-EX20E-05

Fitted on the front face of the sensor with one-touch..

Rectangular slit mask

OS-EX20-05×3

Fitted on the front face of the sensor with one-touch.

OS-EX20E-05×3

Fitted on the front face of the sensor with one-touch.

Reflector

RF-210

Reflector mounting bracket

MS-RF21-1

Two M3 (length 12 mm 0.472 in) screws with washers are attached.

Reflective tape

RF-11

RF-12

Sensor mounting bracket

MS-EX20-1

Material: Stainless steel (SUS304) Two M3 (length 5 mm 0.197 in) pan head screws [stainless steel (SUS304)] are attached.

MS-EX20-2

Material: Stainless steel (SUS304) Two M3 (length 14 mm 0.551 in) screws with washers [stainless steel (SUS304)] are attached.

MS-EX20-3

Material: Stainless steel (SUS304) Two M3 (length 5 mm 0.197 in) pan head screws [stainless steel (SUS304)] are attached.

MS-EX20-4

Material: Stainless steel (SUS304) Two M3 (length 14 mm 0.551 in) screws with washers [stainless steel (SUS304)] are attached.

Sensor checker

CHX-SC2

Mounting spacer

MS-EX20-FS

Universal sensor mounting bracket

MS-EXL2-4

Two M3 (length 14 mm 0.551 in) screws with washers, one M3 (length 10 mm 0.394 in) hexagon-socket head bolt [stainless steel (SUS)], and one M3 hexagon nut [stainless steel (SUS)] are attached.

MS-EX20-5

Two M3 (length 12 mm 0.472 in) screws with washers [stainless steel (SUS304)], one M3 (length 10 mm 0.394 in) hexagon-socket head bolt [stainless steel (SUS304)], and one M3 hexagon nut [stainless steel (SUS304)] are attached.