Product

 Capacity Proximity Sensor CM34

Advantages:

1) Compact volume, Diversified exterior

2) High precision of repeated location

3) Good performance of anti-interference
4) High on-off frequency, Wide voltage range

5) Dust proof, vibration proof, water proof and oil proof

6) With short-circuit protection and inverted connecting protection


Specification:

Dimension

Flush

Detection distance

NPN

NO

DC

NC

6

NO+NC

PNP

NO

36

NC

V

NO+NC

AC

SRC Control label silicon

NO

90

NC

250

NO+NC

V

Relay output

Non-flush

Detection distance

0-17mm

NPN

NO

CM30-3017NA

NC

CM30-3017NB

DC

NO+NC

CM30-3017NC

6

PNP

NO

CM30-3017PA

NC

CM30-3017PB

36

NO+NC

CM30-3017PC

AC

SRC Control label silicon

NO

CM30-2017A

90

NC

CM30-2017B

250

NO+NC

V

Relay output

Control output

DC

200mA

SCR/Relay

300mA

Detectable object

Conductor and dielectric body

Consumption current

DC<15mA  AC<10mA

Output current

DC:200MA AC:300MA

Output voltage drop

DC<3V  AC<7V

DC/AC Response frequency

DC:50HZ  AC:10HZ

Working environment temperature

–25℃~75

Insulation resistance

50MΩ

Shell material

ABS resin

Protection grade

IEC standard IP67

Altemative model at home and abroad


Series connection and parallel connection:


Explanation of technical terms:

Detection distance

Move the  detected  object according  to  assigned method,  the  distance  from  the  reference  position (reference plane)to the detecting action(resetting)

Setting distance

Including the effects like temperature and voltage, without error action the distance passed through from the practical detection surface to the objected object.

Standard detected object

Take  as  standard  detected  object  to  detect  the basic  performance.  the  shape,  size  and  material have been determined.

Differential distance

The  absolute  value  of  the  distance  difference between the distance to action and the distance To resetting

Response time

TI:when  the  objected  object  enters  the  action  zone,  the time from proximity sensor being in action state to output appearance.
T2:the    time    from    leaving    action    zone    to    output disappearance.

Response frequency

Work out the tracking output times per second by repeatedly approaching the detected object
Brief detection method sees the above diagram


Outward appearance illustrtion:



The dielectric constants for some important materials are as; osted as below:

Materials

Dielectric constant

Materials

Dielectric constant

Synthetic resin adhesive

3.6

Styrene

3

Mica

6

Porcelain

4.4

Ebonite

4

Petrolin

2.2

Marble

8

Quartz sand

4.5

Paper

2.3

Soft rubber

2.5

Organic glass

3.2

Water

80

Alcohol

25.8

Glass

5

Cardboard

4.5

Cable rubber compound

2.5

Gasoline

2.2

Wood

2.7

Polyvinyl

2.9

Quartz glass

3.7

Silicon

2.8

Correct use, installation and cautions:

Mounting screw switch

◆  Do  not  tighten  with  over-torque  when  mounting  the switch. Adopt toothed washer when tightening

Mounting non screw type pillar switch

◆  When  adopt  adjusting  screw,  the  tightening  torque  should  be within 2-4kgf-cm

◆  Protection   against   the   interference   of   non   detected object

◆ When mounting the proximity switch on the metal part,
do refer to the following diagram. Remain a certain space in advance  according  to  the  shown  diagram  so  as  to  prevent the switch from error action

◆ Protection against mutual interference between switches

◆ Mount  according  to  the  size  which  is  bigger  than  that  in  the following  diagram  to  prevent  the  switch  from  error  action  resulted from mutual interference if mount the switches contra-positively or in parallel

◆  Adjustable switch action distance(sensitivity)

◆  The action distance(sensitivity)of proximity switch can be  adjusted  by  the  means  of  trimming  potentiometer. Increase  the  action   distance  and   reduce  sensitivity when  turn  clockwise.  Vice  versa.  Do  not  use  in  the critical state of max. action distance.

◆Guard of switch lead-wire

◆ When  mount  switch,  fix  the  lead-wire  at  a  distance  about  10cm from the switch with wire clip so as to prevent the switch lead-wire from damage from outer force

Cautions

◆DC switch should adopt insulation transformer and ensure stable voltage mains corrugation.

◆IF any electric power line or dynamic line passes through the surrounding of switch lead-wire, in order to prevent the switch

from damage or error action, cover the metal bushing on the switch lead-wire and ground it to the earth.

◆Set the switch use distance within the rated distance to avoid the effects from temperature and voltage

◆Wiring  while power-on  is strictly  prohibited. Connecting the wires  strictly  according to the wiring  diagram and  output

return elementary diagram.

◆If there are any special requirements to the switch like water proof, oil proof, acid proof, base proof, high temperature proof

or with any other specifications, the users are required to give clear indication when placing an order. We can produce accord

-ing to the requirements of the use.


Application illustration of proximity switch:

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