Panasonic EX-21 Series Manuel utilisateur

Amplifier Built-in Ultra-compact Type

Photoelectric Sensor

EX-20 Series

USER’S MANUAL

WUME-EX20-3

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Contens

1. Cautions··························································································3

2. Part Description ················································································4

3. Mounting ·························································································6

3-1 Mounting the sensor ··············································································· 6

3-2 Mounting to sensor mounting bracket (Optional)··········································· 7

3-3 Mounting to mounting spacer (Optional) (Front sensing type) ·························· 8

3-4 Installation interval ················································································ 9

3-5

)

··13

4. I/O Circuit Diagram ·········································································· 14

5. Adjustment····················································································· 15

5-1

Beam alignment (Thru-beam type  / )

··15

5-2

,



)

····························································16

6. Stability Indicator············································································· 18

7. Option··························································································· 19

7-1 Slit mask (Thru-beam type  / ) ·············································19

) ································20

 ················································································· 21

9. Dimensions ···················································································· 24

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1. Cautions

WARNING

 Never use this product as a sensing device for personnel protection.

 In case of using devices for personnel protection, use products which meet laws and

standards, such as OSHA, ANSI or IEC etc., for personnel protection applicable in

each region or country.

 This product has been developed / produced for industrial use only.

 The thin cable (0.1mm2) is used for this product. Thus, take care that if the cable is

pulled with excessive force, it may cause cable break.

 Convergent reflective type EX-24

there is a reflective object (conveyor, etc.) in the background, since it may affect the



 If a reflective object is present in the background, the sensing of narrow-view reflec-

tive type EX-28





 If sensors are mounted close together and the ambient temperature is near the maxi-

mum rated value, provide for enough heat radiation / ventilation.

 Make sure to carry out wiring in the power supply OFF condition.

 Take care that wrong wiring will damage the sensor.

 Verify that the supply voltage variation is within the rating.

 If power is supplied from a commercial switching regulator, ensure that the frame ground

(F.G.) terminal of the power supply is connected to an actual ground.

 In case noise generating equipment (switching regulator, inverter motor, etc.) is used in

the vicinity of this product, connect the frame ground (F.G.) terminal of the equipment to

an actual ground.

 Do not run the wires together with high-voltage lines or power lines or put them in the

same raceway. This can cause malfunction due to induction.

 Do not use during the initial transient time (50ms) after the power supply is switched

ON.

 

lamp, a high frequency lighting device or sunlight etc., as it may affect the sensing per-

formance.

 Extension up to total 50m (each emitter and receiver of thru-beam type), or less, is pos-

sible with 0.3mm2, or more of conductor area cable. However,the extension of a power

supply line and the output line of less than 10m is acceptable in case using this product

as conforming to S-mark.

 This sensor is suitable for indoor use only.

 Do not use this sensor in places having excessive vapor, dust, etc., or where it may

come in contact with corrosive gas, etc.

 Take care that the sensor does not come in contact with oil, grease, organic solvents

such as thinner, etc., strong acid, or alkaline.

 

 Never disassemble or modify the sensor.

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2. Part Description





Beam-emitting

part

Operation indicator (Orange)

Lights up when the output is

ON.

Stability indicator (Green)

Lights up under stable

light received condition

or stable dark condition.

Beam-receiving

part

Operation

mode switch Operation Description

Light-ON Light-ON mode is obtained when the operation mode switch is

turned fully clockwise (L side).

Dark-ON Dark-ON mode is obtained when the operation mode switch is

turned fully counterclockwise (D side).

Note: Use the accessory adjusting screwdriver to turn the operation mode switch slowly. Turning

with excessive strength will cause damage to the adjuster.

Operation mode

switch

Operation indicator

(Orange)

Lights up when the

output is ON.

Stability indicator

(Green)

Lights up under

stable light received

condition or stable

dark condition.

Beam-receiving

part

Sensitivity adjuster

Sensing range

increases when

turned clockwise.

Beam-

emitting

part

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









Stability indicator

(Green)

Lights up under

stable light received

condition or stable

dark condition.

Operation indicator

(Orange)

Lights up when the

output is ON.

Beam-receiving part

Beam-emitting part Sensitivity adjuster

Sensing range

increases when

turned clockwise.

Beam-emitting partBeam-receiving part

Stability indicator (Green)

Lights up under stable

light received condition

or stable dark condition.

Operation indicator (Orange)

Lights up when the output is

ON.

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3. Mounting

3-1 Mounting the sensor

 Mount using M3 screws. The tightening torque should be 0.5N·m or less.

 

M3 pan head screws

(Note)

Front sensing type

M3 screws

Side sensing type

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3-2 Mounting to sensor mounting bracket (Optional)

 Sensor mounting brackets (optional) are available. In case the sensor is mounted on a

sensor mounting bracket the tightening torque should be 0.5N·m or less.

Sensor mounting bracket for front sensing type

Sensor mounting bracket for side sensing type

MS-EX20-1

Material: Stainless steel (SUS304)

Two M3 (length 5mm) pan head screws

[stainless steel (SUS304)] are attached.

MS-EX20-3

Material: Stainless steel (SUS304)

Two M3 (length 5mm) pan head screws

[stainless steel (SUS304)] are attached.

MS-EX20-2

Material: Stainless steel (SUS304)

Two M3 (length 14mm) screws with washers

[stainless steel (SUS304)] are attached.

MS-EX20-4

Material: Stainless steel (SUS304)

Two M3 (length 14mm) screws with washers

[stainless steel (SUS304)] are attached.

MS-EX20-5

Two M3 (length 12mm) screws with washers [stainless steel (SUS304)],

one M3 (length 10mm) hexagon-socket-head bolt [stainless steel (SUS304)],

one M3 hexagon nut [stainless steel (SUS304)] are attached.

Material: Die-cast zinc alloy

Material: Nylon 6

Swivel: 360° rotation

Height adjustment: Approx. 15mm

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3-3 Mounting to mounting spacer (Optional)

(Front sensing type)

 

MS-EX20-FS

Mounting method

1. Fit the mounting spacer on the sensor.

2. Align the mounting holes of the mounting spac-

er and the sensor and mount with M3 screws.

The tightening torque should be 0.5N·m or less.

Mounting spacer

MS-EX20-FS

(Optional)

M3 screws

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3-4 Installation interval

 This product does not incorporate auto interference prevention function. In case aligning

2 of this sensors closely, follow diagrams below. (typical)

 





In case using at sensing distance (L1) 1m, the op-



diagram.

The installation interval is

Approx. 59.2mm × 2 = approx. 118.4mm

Thus, install EX-21

away.



In case using at sensing distance (L2) 2m, the op-



diagram.

The installation interval is

Approx. 66.9mm × 2 = approx. 133.8mm

Thus, install EX-23

away.



EX-21

EX-23

EX-21

EX-23

EX-21

EX-23

Parallel deviation diagram (typical) of Thru-beam type EX-23

100



50 0 50 100

2(L2)

Setting distance L (mm)

CenterLeft Right



Parallel deviation diagram (typical) of Thru-beam type EX-21

100



50 0 50 100

0.5

1(L1)

Setting distance L (mm)

CenterLeft Right



Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: [email protected]



In case using at sensing distance (L3) 200mm, the



left diagram.

The installation interval is

Approx. 9.7mm × 2 = approx. 19.4mm

Thus, install EX-29

away.



EX-29

EX-29

EX-29





10 0 10 20

100

200 (L3)

Setting distance L (mm)

CenterLeft Right



Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: [email protected]

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