Detection level 2

VIS MECHATRONIC SDN BHD



SENSOR

Magnetic proximity sensor

Inductive proximity sensor

Capacitive proximity sensor

Optical proximity sensor

i)Trough-beam sensors

ii)Retro-reflective sensors

iii)Diffuse sensors

Jenis –jenis proximity sensor



SENSOR

Magnetic proximity sensor (Reed switch)

Reed switch mengesan pergerakkan cylinder keluar dan masuk.

(+)

(-)

Signal

Simbol


SENSOR



SENSOR




(+)

(-)

Signal

Simbol

Inductive sensor mengesan besi sahaja.


SENSOR



SENSOR


SENSOR


• An inductive proximity sensor consists of an (oscillating circuit).


SENSOR


A triggering stage.


SENSOR


An amplifier.



SENSOR


(+)

(-)

Signal

Simbol

Capacitive sensor mengesan semua jenis objek seperti:-

I) Plastics

II) Glass

III) Ceramic

IV) Liquids

V) Wood


SENSOR




SENSOR

Optical proximity sensor

(+)

(-)

Signal

Simbol

Optical sensor mengesan cahaya.

Optical proximity sensor (Through-beam)

SENSOR



SENSOR

Optical proximity sensor (Retro-reflective sensor)


Optical proximity sensor (Diffuse sensor)

SENSOR

Sensor terbahagi kepada 2 jenisSensor terbahagi kepada 2 jenis 2 wayar sensor2 wayar sensor 3 wayar sensor3 wayar sensor

Kepiawaian warnaKepiawaian warna Sensor 2 wayar , coklet (+) dan biru (out)Sensor 2 wayar , coklet (+) dan biru (out) Sensor 3 wayar , coklet (+) biru (-) dan Sensor 3 wayar , coklet (+) biru (-) dan

hitam (out) hitam (out)



SENSOR

POSITIVE SWITCHINGPOSITIVE SWITCHING

PNP-Type

K1

14

13

24v dc

0v dc

(+)

(-)


SENSOR

NEGATIVE SWITCHINGNEGATIVE SWITCHING

NPN-Type-+

K1

14

13

24v dc

0v dc

Sambungan NPN

(+)

(-)


SENSOR Optical proximity sensor

Optical FibreDelivery System


SENSOR

Detection ofopen/close functionsDetection of rotation.

Flat mounted CapacitiveSensor. Used for detectingpanels of glass.Range=10mm +/- 10%

Business

Detection level 2